FCC ID: SY4-A02033 Geodetic GNSS Receiver

Geodetic GNSS Receiver User Guide June Revision 1.0 01, 2018 Make your work more efficient Table of Content Table of Content 1 1.2 1.2.1 1.1.1 2.1 2.2 1.3 1.4 1.5 Table of Content ................................................................................................................ 2 Preface .............................................................................................................................. 5 Copyright ................................................................................................................................. 5 Safety Warnings ....................................................................................................................... 5 FCC Interference Statement .................................................................................................... 5 CE Interference Statement ...................................................................................................... 6 Introduction ................................................................................................................ 7 Safety Information ............................................................................................... 7 1.1 Warnings and Cautions ........................................................................................ 7 Regulations and Safety ........................................................................................ 7 Use and Care ........................................................................................................ 8 Technical Support ................................................................................................. 8 Disclaimer ............................................................................................................ 8 Your Comments ................................................................................................... 8 2 Getting Started with i83 .............................................................................................. 9 About the Receiver .............................................................................................. 9 Parts of the Receiver ........................................................................................... 9 Front Panel .......................................................................................................... 9 Lower Housing ................................................................................................... 11 Receiver Ports .................................................................................................... 11 Batteries and Power .......................................................................................... 13 Batteries ............................................................................................................ 13 The Internal Battery........................................................................................... 13 Battery Safe ....................................................................................................... 14 External Power Supply ....................................................................................... 15 Inserting SIM Card ............................................................................................. 16 Product Basic Supply Accessories ...................................................................... 17 Base Kit Basic Supply ......................................................................................... 17 Rover Kit Basic Supply ....................................................................................... 18 Connecting to an Office Computer .................................................................... 19 Connecting to a Controller ................................................................................ 20 Connecting via Wi-Fi with LandStar 7 Software ................................................ 20 Connecting via Bluetooth with LandStar 7 Software ......................................... 22 Downloading Logged Data ................................................................................. 24 FTP Download .................................................................................................... 24 Web Server Download ....................................................................................... 25 2.3.1 2.3.2 2.3.3 2.3.4 2.2.1 2.2.2 2.2.3 2.5.1 2.5.2 2.7.1 2.7.2 2.8.1 2.8.2 2.6 2.7 2.4 2.5 2.8 2.3 Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 2 Table of Content 4 3 5.2 5.1 4.3 4.4 4.4.1 4.4.2 4.2.1 4.2.2 5.1.1 5.1.2 5.1.3 2.8.3 USB Download ................................................................................................... 26 Front Panel Operation ............................................................................................... 28 Main Operation Menus ..................................................................................... 28 3.1 3.2 Configure the Working Mode ............................................................................ 31 Equipment Setup and Operation ................................................................................ 36 Post-processing Base Station Setup .................................................................. 36 4.1 Real-Time Base Station Setup ............................................................................ 38 4.2 Internal Cellular or UHF ..................................................................................... 38 External UHF ...................................................................................................... 39 Real-Time Rover Station Setup .......................................................................... 42 Working with the Tilt Compensation ................................................................ 44 Operation Steps ................................................................................................. 44 Notes of using tilt measurement ....................................................................... 46 5 Configuring Through a Web Browser ............................................................................. 48 Status Menu ...................................................................................................... 50 Position Submenu .............................................................................................. 50 Activity Submenu ............................................................................................... 50 Google Map Submenu ....................................................................................... 51 Satellites Menu .................................................................................................. 52 Tracking Table Submenu .................................................................................... 52 Tracking Info. Table Submenu ............................................................................ 53 Tracking Skyplot Submenu ................................................................................. 53 Satellite Activation Submenu ............................................................................ 54 Receiver Configuration Menu ........................................................................... 55 Description ........................................................................................................ 55 Antenna Configuration Submenu ...................................................................... 56 Reference Station Settings Submenu ................................................................ 56 Receiver Reset Submenu ................................................................................... 59 Languages Submenu .......................................................................................... 59 User Management Submenu............................................................................. 60 HCPPP Settings .................................................................................................. 60 Data Recording Menu ........................................................................................ 61 Log Settings Submenu ....................................................................................... 61 FTP Push Settings Submenu .............................................................................. 63 FTP Push Log Submenu ...................................................................................... 64 Data Download Submenu .................................................................................. 65 IO Settings Menu ............................................................................................... 67 IO Settings Submenu ......................................................................................... 67 Network Setting Menu ...................................................................................... 74 Description Submenu ........................................................................................ 74 Mobile Network Setting Submenu .................................................................... 75 5.3.1 5.3.2 5.3.3 5.3.4 5.3.5 5.3.6 5.3.7 5.4.1 5.4.2 5.4.3 5.4.4 5.2.1 5.2.2 5.2.3 5.2.4 5.6.1 5.6.2 5.5.1 5.6 5.4 5.5 5.3 Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 3 Table of Content 5.8 5.7 5.6.3 5.6.4 5.6.5 5.6.6 5.7.1 5.7.2 5.7.3 5.7.4 Email Alarm Submenu ....................................................................................... 75 HTTP Submenu .................................................................................................. 76 HTTPS Submenu ................................................................................................ 77 FTP Service Submenu ........................................................................................ 77 Module Setting Menu ........................................................................................ 78 Description Submenu ........................................................................................ 78 WiFi Submenu ................................................................................................... 78 Bluetooth Settings Submenu ............................................................................. 79 Radio Settings Submenu .................................................................................... 80 Firmware Menu ................................................................................................. 81 Firmware Info Submenu .................................................................................... 81 Hardware Version Submenu .............................................................................. 81 Config File Submenu .......................................................................................... 82 System Log Download Submenu ....................................................................... 82 User Log Submenu ............................................................................................. 82 Firmware Update Submenu ............................................................................... 83 GNSS Board Upgrade Submenu ......................................................................... 84 Radio Upgrade Submenu ................................................................................... 84 Upgrade Online Submenu ................................................................................. 84 GNSS Registration Submenu.............................................................................. 85 5.9 Cloud Service Setting Menu ............................................................................................ 86 5.9.1 Cloud Service Setting Submenu ................................................................................. 86 A Communication Ports Definition ................................................................................... 87 AI CHC i83 Receiver IO Port (7-pin Lemo Port) Definition ................................................... 87 5.8.1 5.8.2 5.8.3 5.8.4 5.8.5 5.8.6 5.8.7 5.8.8 5.8.9 5.8.10 Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 4 Preface Preface Copyright Copyright 2016-2017 Trademarks Safety Warnings CHC | Shanghai Huace Navigation Technology Ltd. All rights reserved. The CHC are trademark of Shanghai Huace Navigation Technology Limited. All other trademarks are the property of their respective owners. All product and brand names mentioned in this publication are trademarks of their respective holders. The Global Positioning System (GPS) is operated by the U.S. Government, which is solely responsible for the accuracy and maintenance of the GPS network. Accuracy can also be affected by poor satellite geometry and obstructions, like buildings and heavy canopy. FCC Interference Statement This equipment has been designed to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules in the Portable Mode. These limits are designed to provide reasonable protection against harmful interference in a residential installation. Operation is subject to the following two conditions: (1) this device may not cause harmful interference and (2) this device must accept any interference received, including interference that may cause undesired operation. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 5 Preface CE Interference Statement Declaration of Conformity: Hereby, Shanghai Huace Navigation Technology Ltd. declares that this i83 is in compliance with the essential requirements and other relevant provisions of Directive 2014/53/EU. A copy of the Declaration of conformity can be found at Shanghai Huace Navigation Technology Ltd. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 6 Introduction 1 Introduction The i83 GNSS Receiver User Guide describes how to set up and use the CHC i83 GNSS receiver. In this manual, the receiver refers to the i83 GNSS receiver unless otherwise stated. Even if you have used other Global Navigation Satellite Systems (GNSS) products before, CHC recommends that you spend some time reading this manual to learn about the special features of this product. If you are not familiar with GNSS, go to www.chcnav.co m for an interactive look at CHC and GNSS. 1.1 Safety Information 1.1.1 Warnings and Cautions An absence of specific alerts does not mean that there are no safety risks involved. A Warning or Caution information is intended to minimize the risk of personal injury and/or damage to the equipment. WARNING - A Warning alerts you to a potential misused or wrong setting of the CAUTION - A Caution alerts you to a possible risk of serious injury to your person and/or equipment. damage to the equipment. 1.2 Regulations and Safety The receivers contain a built-in wireless modem for signal communication through Bluetooth wireless technology or through external communication datalink. Regulations regarding the use of the wireless modem vary greatly from country to country. In some countries, the unit can be used without obtaining an end-user license. However, in some countries, the administrative permissions are required. For license information, consult your local dealer. Bluetooth operates in license-free bands. Before operating a i83 GNSS receiver, determine if authorization or a license to operate the unit is required in your country. It is the responsibility of the end-user to obtain an operator's permit or license for the receiver for the location or country of use. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 7 Introduction 1.2.1 Use and Care This receiver is designed to withstand the rough environment that typically occurs in the field. However, the receiver is high-precision electronic equipment and should be treated with reasonable care. CAUTION - Operating or storing the receiver outside the specified temperature range will cause irreversible damage. 1.3 Technical Support If you have a problem and cannot find the information you need in this manual or CHC website

(ww w.chcnav.co m) , contact your local CHC dealer from which you purchased the receiver(s). If you need

(suppo rt@chcnav.co m) or Skype (chc_support). to contact CHC technical support, please contact us by email 1.4 Disclaimer Before using the receiver, please make sure that you have read and understood this User Guide, as well as the safety information. CHC holds no responsibility for the wrong operation by users and for the losses incurred by the wrong understanding about this User Guide. However, CHC reserves the rights to update and optimize the contents in this guide regularly. Please contact your local CHC dealer for new information. 1.5 Your Comments Your feedback about this user guide will help us to improve it in future revision. Please email your comments to suppo rt@chcnav.co m. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 8 Getting Started with i83 2 Getting Started with i83 2.1 About the Receiver The new Geodetic GNSS Receiver receiver offers integrated IMU-RTK technology to provide a robust and accurate GNSS positioning in any circumstances. Unlike the standard MEMS based GNSS receivers, the i83 GNSS IMU-RTK combines state-of-the-art GNSS RTK engine, calibration-free professional IMU sensor and advanced GNSS tracking capabilities. Survey projects are achieved with high productivity and reliability pushing the boundaries of conventional GNSS RTK survey. The LCD panel enables user to check satellite-tracking status, internal battery status, Wi-Fi status, working mode, data logging status and basic receiver information. Bluetooth and Wi-Fi technology provides cable-free communication between the receiver and controller. The receiver can be used as the part of an RTK GNSS system with CHC LansStar7 software. Moreover, user can download the GNSS data that recorded in the internal memory of receiver to a computer. The receiver can be used as the part of an RTK GNSS system with CHC LandStar 7 software. And you can download the GNSS data that recorded in the internal memory of receiver to a computer. To configure the receiver for performing a wide variety of functions, you can use the web interface by connecting the receiver with PC or smartphone through Wi-Fi. 2.2 Parts of the Receiver The operating controls are all located on the front panel. SIM card slot is on the backside. Serial ports and connectors are located on the bottom of the unit. 2.2.1 Front Panel The following figure shows a front view of the receiver. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 9 Getting Started with i83 Front panel Correction LED Power button The front panel contains two indicator LEDs and two buttons. Satellite LED Function button Correction LED

(Yellow/Green) Name Description Indicates whether the receiver is transmitting/receiving As a Base station: successfully transmitting differential differential data. data, flash yellow light. As a Rover station: successfully receiving differential data from Base station will flash yellow light when it is single or float, flash green light when it is fixed. Satellite LED (Blue) Shows the number of satellites that the receiver has tracked. When the receiver is searching satellites, the blue LED flashes once every 5 seconds. When the receiver has tracked N satellites, the blue LED will flash N times every 5 seconds. Fn button (White) Move to next line of the menus or options. Move to next character of the value that you want to make change. Cancel the change you make on a function. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 10 Getting Started with i83 Power button

(White) Works as a Power button:

Press and hold this button for 3 seconds to turn on or turn off the receiver. Works as a Confirmbutton Hold Fn button and press this button for 5 times continuously to reset the mainboard. 2.2.2 Lower Housing The lower housing contains one SIM card slot, one TNC radio antenna connector, one communication and power port and one USB type C communication and power port. IO serial communication and power port USB communication and power port 2.2.3 Receiver Ports TNC radio antenna connector SIM card slot Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 11 Port Name Description IO port Getting Started with i83 This port is a 7-pin LEMO connector that supports RS-232 communications and external power input. Users can use HCE600 Type-c Cable supplied with the system to realize RS-232 communications between the receiver and computer or controller. Also, users can use a 7-pin cable to transmit differential data to an external radio. USB port This port is a type-C USB connector that supports USB communications. Users can use USB Cable supplied with the system to download the logged data to a computer. Radio antenna connector Connect a radio antenna to internal radio of the receiver. And this connector is not used if you are using an external radio. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 12 2.3 Batteries and Power 2.3.1 Batteries Getting Started with i83 The receiver has an built-in non-removable Lithiumion battery. 2.3.2 The Internal Battery The rechargeable Lithium-ion battery is supplied partially charged. WARNING Charge and use the rechargeable Lithium-ion battery only in strict accordance with the instructions. Charging or using the battery in unauthorized equipment can cause an explosion or fire and can result in personal injury and/or equipment damage. To prevent injury or damage:

Do not charge or use the battery if it appears to be damaged or leaking. Charge the Lithium-ion battery only in a CHC product that is specified to charge it. Be sure to follow all instructions that are provided with the battery charger. Discontinue charging a battery that gives off extreme heat or a burning odor. Use the battery only in CHC equipment that is specified to use it. Use the battery only for its intended use and according to the instructions in the product documentation. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 13 Getting Started with i83 2.3.3 Battery Safe To prevent injury or damage:

WARNING Do not damage the rechargeable Lithium-ion battery. A damaged battery can cause an explosion or fire and can result in personal injury and/or property damage. Do not use or charge the battery if it appears to be damaged. Signs of damage include, but are not limited to discoloration, warping, and leaking battery fluid. Do not expose the battery to fire, high temperature, or direct sunlight. Do not immerse the battery in water. Do not use or store the battery inside a vehicle under hot weather condition. Do not drop or puncture the battery. Do not open the battery or short-circuit its contacts. WARNING Avoid contact with the rechargeable Lithium-ion battery if it appears to be leaking. Battery fluid is corrosive and contact with it can result in personal injury and/or property damage. To prevent injury or damage:

If the battery leaks, avoid with the battery fluid. If battery fluid gets into your eyes, immediately rinses your eyes with clean water and seek medical attention. Please do not rub your eyes!

If battery fluid gets onto your skin or clothing, immediately use clean water to wash off the battery fluid. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 14 Getting Started with i83 2.3.4 External Power Supply Two methods are available for providing the external power to the receiver by the GPS to PC Data Cable+ Power Adapter, or GPS to PC Data Cable + external power cable (option purchase)

+ vehicle battery. In the office:

The Power Adapter is connecting with AC power of 100-240V, the output port of the Power Adapter connects with the Power Port of the GPS to PC Data Cable. In the field:

The external power cable is connecting with a vehicle battery, the output port of the external power cable connects with the Power Port of the GPS to PC Data Cable. WARNING Use caution when connecting external power cables clip leads to a vehicle battery. Do not allow any metal object to connect (short) the batterys positive (+) terminal to either the negative (-) terminal or the metal part of the vehicle battery. This could result in high current, arcing, and high temperatures, exposing the user to possible injury. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 15 Getting Started with i83 2.4 Inserting SIM Card

(a) Open the SIM card slot cover.

(b) Insert the SIM card with the contacts facing upward, as indicated by the SIM card icon next to the SIM card slot.

(c) Close the cover to prevent water immersion.

(d) To eject the SIM card, slightly push it in to trigger the spring-loaded release mechanism Insert the SIM card with the contacts facing upward, as indicated by the SIM card icon next to the SIM card slot. To eject the SIM card, slightly push it in to trigger the spring-loaded release mechanism. Tip The SIM card is prov ided by yo ur cellular netwo rk se rvice prov ider. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 16 Getting Started with i83 2.5 Product Basic Supply Accessories 2.5.1 Base Kit Basic Supply Item Picture i83 GNSS Receiver UHF Whip Antenna (410-470 MHz) Power Adapter USB Type-C H.I. Tape Extension pole Tribrach with optical plummet Auxiliary H.I. Tool Transport Hard Case Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 17 Getting Started with i83 Item Picture 2.5.2 Rover Kit Basic Supply i83 GNSS Receiver UHF Whip Antenna (410-470 MHz) Power Adapter USB Type-C 2M Range Pole w/bag Auxiliary H.I. Tool Transport Hard Case Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 18 Getting Started with i83 2.6 Connecting to an Office Computer The receiver can be connected to an office computer for serial data transfer or settings via a HCE600 USB Type-C. Before you connect to the office computer, ensure that the receiver is powered on by internal battery or external power. The following figure shows how to connect to the computer for serial data transfer or settings:

USB Type-C Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 19 2.7 Connecting to a Controller Getting Started with i83 2.7.1 Connecting via Wi-Fi with LandStar 7 Software Turn on the controller run LandStar 7 go to Config main menu tap Connect. In the Connect screen, select CHC for the Manufacture field, i83 for Device Type field, WIFI for Connection Type field. Tap the Wireless Lan icon on the right side to select the hot spot Switch on the WiFi module by the top switch select the target device in the list. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 20 Getting Started with i83 Tap Connect to link to the hot spot. If the first-time connection to this hot spot, user may type in the password. Tip The Wi-Fi key o f the rece iver is 12345678 by default. Tap the Connect button to build the connection. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 21 Getting Started with i83 2.7.2 Connecting via Bluetooth with LandStar 7 Software Turn on the controller run LandStar 7 go to Config main menu tap Connect. In the Connect screen, select CHC for the Manufacture field, i83 for Device Type field, Bluetooth for Connection Type field. Tap the Bluetooth Manager and turn on the Bluetooth function to search Bluetooth device around select the target device in the list Tap back button select the target device in the Bluetooth manager list. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 22 Getting Started with i83 Tap the Connect button to build the connection. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 23 Getting Started with i83 2.8 Downloading Logged Data Data logging involves the collection of GNSS measurement data over a period at a static point or points, and subsequent post-processing of the information to accurately compute baseline information. Data logging using receivers requires access to suitable GNSS post-processing software such as the CHC Geomatics Office (CGO) Software. 2.8.1 FTP Download The procedures of downloading logged data through FTP are as follows:

(1) Switch on the receiver, search its Wi-Fi in the computer and connect.

(2) After the successful connection, open the file manager in the computer and input ftp:\\192.168.1.1 in the address box.

(3) Input user name and password, the default user name and password are ftp.

(4) Double click the folder repo_receiver SN (take 3411955 as example), you will see 9 folders. The push_log folder is used to save the log files, and the other 8 folders represent different logging sessions and are used for store static data. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 24 Getting Started with i83

(5) Double click the folder that you have configured to store the static data, you will see the folder(s) created by the i83 system automatically and named by the date which is decide by GPS time when you start to log data.

(6) Select the destination folder and double click it, two folders named as different data format (hcn and rinex) will be displayed.

(7) Select the data format that you configured to save the static data, you will find the static raw data. N otes: Fo r hcn files, the name o f the file is represented as XX XXXXDD D NN, where XXXXX X is the SN o f the receiver, D DD is day o f year, and NN is the reco rding sessio n. WARNING The static data will be saved in the first logging session, the record_1 folder, by default. Old files will be deleted if the storage space is full. If you configure not to auto delete old files when the memory is low, the receiver will stop data logging. 2.8.2 Web Server Download The procedures of downloading logged data through web server refer to 5.4.4 D ata D ownlo ad Submenu. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 25 Getting Started with i83 2.8.3 USB Download The procedures of downloading logged data in the receiver are as follows:

(1) Switch on the receiver and connect it with a computer by HCE600 Type-C. After the successful connection, a removable disk named as the Serial Number (SN) of the receiver will appear on the computer.

(2) Double click the removable disk and you will see the folder named as repo.

(3) Double click this folder, you will see 9 folders. The push_log folder is used to save the log files, and the other 8 folders represent different logging session and are used for store static data.

(4) Double click the folder that you have configured to store the static data, you will see the folder(s) created by the i83 system automatically and named by the date which is decide by GPS time when you start to log data.

(5) Select the destination folder and double click it, and then two folders named as different data format (hcn and rinex) will be displayed. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 26

(6) Select the data format that you have configured to save the static data, you will find the static raw data. Getting Started with i83 Tip Fo r hcn files, the name o f the file is represented as XXX XXXD DD NN, where XXX XXX is the SN o f the receiver, D DD is day o f year, and NN is the reco rding se ssion. WARNING The static data will be saved in the first logging session, the record_1 folder, by default. Old files will be deleted if the storage space is full. If you configure not to auto delete old files when the memory is low, the receiver will stop data logging. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 27 3 Front Panel Operation Front Panel Operation The front panel contains one LCD screen, two indicator LEDs, and two buttons. The operating controls are all located on the front panel. 3.1 Main Operation Menus The top-level menu of the front panel includes 6 parts: Info, SV, Mode, Power, Data and Set. Info is the basic information of firmware such as SN, PN and etc. SV is the display of satellite situation. Mode is the important part which illustrate the work mode and users can select the mode according to their needs. Power shows the electric quantity of two batteries. Data is used to set static mode and Set is to set the device according to personal habits including language, brightness, etc. The details of main operation are as follows and they are concluded two tables. The first table includes 5 parts: Info, SV, Power, Data and Set and the second table displays details of Data. Top-level Menu Second-level Menu Description SN 3411956 PN A19318-430901-060002

-015701

-020104 Version 2.0.7 Register 2030/12/31 Static off Sample 5S Format HCN Diff Age 0.0S Network No Sim Card IMEI 861529049455435 Describe the main information of this machine. SN displays the Serial Number of the receiver. PN displays the Part Number of the receiver. Version displays the firmware version. Register displays the expiry date of registration code. Static displays if the static is on or not. Format displays the data type. Network displays the if a sim card inserts the RTK. IMEI is International Mobile Equipment Identity which is used to identify the RTK. Total: 30/30 GPS: 10/10 BDS: 10/10 GLO: 4/6 GAL: 4/4 Indicate the total number of satellites that have been tracked and the number of satellites tracked of each constellation, where BDS represents BeiDou, GLO represents GLONASS, and GAL represents Galileo. Info SV Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 28 Front Panel Operation Power Power 95%

Indicates the remaining power of the battery Brightness High Standby Time 10s Sleep Time 1min Set WIFI Mode AP 4G SIM Press Enter to select the brightness including High, Medium and low. Press Enter to select standby time including 5s, 10s, 30s, 1min, 30min Press Enter to select sleep time including 5s, 10s, 30s, 1min, 30min Press Enter to change the WIFI Mode including AP or STA. (The function is unavailable when WIFI is off) Press Enter to change the 4G status including eSIM or SIM. WIFI ON Press Enter to turn on or turn off WIFI. Channel Detection Only work on rover mode. OEM Board Reset Press Enter to reset board. Language English Press Enter to change languages

(English or Chinese). Voice Off Press Enter to turn on or turn off voice. Back Press Enter to back to last page. Mode Base External UHF Base Internal UHF Base APIS Base External UHF & APIS Rover APIS Rover UHF Rover NTRIP Back The details of Data operations are as follows:

Press Enter button to enter the configuration screen of the selected working mode. More operation information, see 3.2 Configure the Working Mode. Top-level Menu Second-level Menu Description Set on/off Press Enter button to switch static measurement on or off. Data Recording 00:00 Display the time of recording Advanced Sample Press Enter to change sample interval

(1s, 2s, 5s, 10s, 15s, 30s, 1m) Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 29 Front Panel Operation Elev Mask 10 degree Press Enter button to change the mask degree from 0 degree to 90 degrees. Press Enter button to enter Duration Time Setting screen. In the Duration Time Setting screen, press Fn button to move to the character of the duration time value user want to make change, and then press Enter button to change from 0 to 9. After the change has been done, user can press Fn button to move to OK field, and then Press Enter button to save the change and back to the second-level menu; or press Fn button to move to Cancel field and press Enter button to cancel the change and back to the second-level menu. Press Enter button and switch height between oblique, vertical, phase center. Press Enter button and input the measured antenna height. Press Enter button and switch data format between HCN, HRC, Rinex2.11 and Rinex3.02. Press Enter to complete settings. Press Enter button to back to the last menu. Press Enter to complete settings. Press Enter button to back to the top-level menu. Duration 1440min Measurement phase Center Antenna Height 0.0000m Format HCN Ok Cancel OK Cancel Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 30 Front Panel Operation 3.2 Configure the Working Mode 7 working modes are provided for quickly setting up an RTK base station or rover station. Users can configure each working mode through the front panel as follows:

Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 31 Top-level Menu Second-level Menu Description Mode Base External UHF Front Panel Operation The title of this configuration screen. Press Enter to select correction format (RTD, CMR, RTCMv2.3, RTCMv3 and RTCMv3.2). Press Enter button to save the settings and back to the top-level menu, and then this working mode can take effect. Press Enter button to cancel the settings and back to the second-

level menu. The title of this configuration screen. Press Enter to select current protocol (CHC, Transparent, TT450s) Press Enter to change the channel from 0 to 9 Press Enter to select Baud (4800, 9600 and 19200) Press Enter button to change the transmitting power (0.5w,1w,2w). Press Enter to select correction format (RTD, CMR, RTCMv2.3, RTCMv3 and RTCMv3.2). Press Enter button to save the settings and back to the top-level menu, and then this working mode can take effect. Press Enter button to cancel the settings and back to the second-

level menu. The title of this configuration screen. Base External UHF Base Internal UHF Mode Base External UHF Protocol CHC Channel 1 456.0500 Format CMR OK Cancel Baud 9600 Power 1w Format CMR OK Cancel Base APIS Mode Base APIS Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 32 Format CMR IP 111.111.111.1 Port 9901 OK Cancel Mode Base External UHF &

APIS Way External UHF+APIS Format CMR Front Panel Operation Press Enter to select correction format (RTD, CMR, RTCMv2.3, RTCMv3 and RTCMv3.2). Press Enter to enter third-level menu to select IP (APIS1.huace.cn, APIS2.huace.cn, 211.144.120.97, 101.251.112.206) or press Customized IP to customize your own IP Press Enter button to change the port from 9901 to 9920. Press Enter button to save the settings and back to the top-level menu, and then this working mode can take effect. Press Enter button to cancel the settings and back to the second-level menu. The title of this configuration screen. Display the way of base station combination. Press Enter to select correction format (RTD, CMR, RTCMv2.3, RTCMv3 and RTCMv3.2). Press Enter to enter third-level menu to select IP (APIS1.huace.cn, APIS2.huace.cn, 211.144.120.97, 101.251.112.206) or press Customized IP to customize your own IP Press Enter button to change the port from 9901 to 9920. Press Enter button to save the settings and back to the top-level menu, and then this working mode can take effect. Press Enter button to cancel the settings and back to the second-

level menu. Base External UHF & APIS IP 111.111.111.1 Port 9901 OK Cancel Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 33 Rover APIS Rover UHF Baud 9600 Mode Rover APIS Base ID 1234567 IP 210.14.66.58 Port 9902 OK Cancel Mode Rover UHF Protocol CHC Channel 1 456.0500 OK Cancel Front Panel Operation The title of this configuration screen. Press Enter to enter third-level menu to change Base ID Press Enter to enter third-level menu to select IP (APIS1.huace.cn, APIS2.huace.cn, 211.144.120.97, 101.251.112.206) or press Customized IP to customize your own IP Press Enter button to change the port from 9901 to 9920. Press Enter button to save the settings and back to the top-level menu, and then this working mode can take effect. Press Enter button to cancel the settings and back to the second-

level menu. The title of this configuration screen. Press Enter to select current protocol (CHC, Transparent, TT450s) Press Enter to change the channel from 0 to 9 Press Enter to select Baud (4800, 9600 and 19200) Press Enter button to save the settings and back to the top-level menu, and then this working mode can take effect. Press Enter button to cancel the settings and back to the second-

level menu. The title of this configuration screen. Rover NTRIP Mode Rover NTRIP Status Not Login in in Indicates the login status. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 34 OK Cancel Front Panel Operation Press Enter button to save the settings and back to the top-level menu, and then this working mode can take effect. Press Enter button to cancel the settings and back to the second-

level menu. Press Enter button to back to the top-

level menu. Back Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 35 Equipment Setup and Operation 4 Equipment Setup and Operation 4.1 Post-processing Base Station Setup For good performance, the following base station setup guidelines are recommended:

Components:

a b c e No. a b c d e d Name i83 GNSS receiver Extension pole (30 cm) Tribrach adaptor Tribrach w/ Opti Aluminum tripod Steps:

(1) Put tripod in the target position, center and level it roughly.

(2) Place and lock the tribrach in the tripod. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 36 Equipment Setup and Operation

(3) Screw the receiver onto the tribrach.

(4) Center and level the receiver more precisely.

(5) Connect the receiver to external battery by using external power cable if necessary.

(6) Connect the receiver to external storage disk by using USB cable if necessary.

(7) Turn on the receiver by pressing the power button for 3 s.

(8) Measure the antenna height by using H.I. tape and auxiliary H.I. tool.

(9) Press the function button to select Data to start recording static raw. If work with a data controller:

(10) Switch on the data controller and connect it to the receiver.

(11) Use software to configure the receiver as static mode. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 37 Equipment Setup and Operation 4.2 Real-Time Base Station Setup 4.2.1 Internal Cellular or UHF For good rover operation, the following base station setup guidelines are recommended:

Components:

g e a b c d f Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 38 Equipment Setup and Operation No. a b c d e f g Name i83 GNSS receiver UHF whip antenna Extension pole (30 cm) Tribrach adaptor Tribrach w/ Opti Aluminum tripod Micro SIM card (12 mm x 15 mm) Steps:

(1) Put tripod in the target position, center and level it roughly.

(2) Place and lock the tribrach in the tripod. If work as a cellular base station, the SIM card need to be inserted

(3) Screw the receiver onto the tribrach.

(4) Center and level the receiver more precisely. If work as a UHF base station, the UHF whip antenna need to be connected to the receiver.

(5) Connect the receiver to external battery by using external power cable if necessary.

(6) Connect the receiver to external storage disk by using USB cable if necessary.

(7) Turn on the receiver by pressing the power button for 3 s.

(8) Measure the antenna height by using H.I. tape and auxiliary H.I. tool.

(9) Switch on the data controller and connect it to the receiver.

(10) Use software to configure the receiver as cellular base or UHF base mode. 4.2.2 External UHF For good performance, the following base station setup guidelines are recommended:

Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 39 Components:

Equipment Setup and Operation a b c d e f h i j k No. a b c d e f h i j k Name i83 GNSS receiver Extension pole (30 cm) Tribrach adaptor Tribrach w/ Opti GPS to datalink cable (power cable) Aluminum tripod Whip antenna 3 m cable for datalink antenna 3m Pole mounting External 410-470 datalink Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 40 Equipment Setup and Operation Steps:

(1) Put tripod in the target position, center and level it roughly.

(2) Place and lock the tribrach in the tripod.

(3) Screw the receiver onto the tribrach.

(4) Center and level the receiver more precisely.

(5) Connect the receiver to external datalink by using GPS to datalink cable.

(6) Hang the external datalink on the tripod leg.

(7) Connect the receiver to external battery by using external power cable if necessary.

(8) Connect the receiver to external storage disk by using USB cable if necessary.

(9) Turn on the receiver by pressing the power button for 3 s.

(10)Measure the antenna height by using H.I. tape and auxiliary H.I. tool.

(11)Turn on the external datalink and configure it as need. If work with a data controller:

(12) Switch on the data controller and connect it to the receiver.

(13) Use software to configure the receiver as cellular base or UHF base mode. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 41 Equipment Setup and Operation 4.3 Real-Time Rover Station Setup For good performance, the following rover station setup guidelines are recommended:

Components:

a c d b d No. a b c d Name i83 GNSS receiver whip antenna 2M range pole w/bag Micro SIM card (12 mm x 15 mm) Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 42 Equipment Setup and Operation Steps:

(1) Keep the receiver fully charged.

(2) Screw the receiver onto the pole. If work as a cellular rover station, the SIM card need to be inserted before the batteries. If work as a UHF rover station, the UHF whip antenna need to be connected to the receiver.

(3) Turn on the receiver by pressing the power button for 3 s.

(4) Switch on the data controller and connect it to the receiver.

(5) Use software to configure the receiver as cellular rover or UHF rover mode.

(6) Center and level the receiver more precisely.

(7) Use software to start survey. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 43 4.4 Working with the Tilt Compensation Equipment Setup and Operation 4.4.1 Operation Steps

(1) Open Landstar7-> Tap PT Survey-> Tap to activate tilt measurement. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 44

(2) Hold the pole vertical for a while and shake according to the procedures in the interface to do initialization. Equipment Setup and Operation

(3) This icon will appear when the initialization is successful. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 45 Equipment Setup and Operation

(4) Enter the Name and Antenna, then tap

, point will be collected and store to Points automatically.

(5) When this icon appears, the text will show Tilt is not available, please measure in alignment at the bottom of interface.

(6) Tap to close tilt compensation. 4.4.2 Notes of using tilt measurement 1. At the beginning of initialization, the pole height of the instrument should be the same as that antenna height in the software. 2. In the process of tilt measurement, if the controller shows that Tilt is not available, please measure in alignment (red), please shake RTK slightly from left to right or back to front until the reminder disappears. 3. The controller will prompt Tilt is not available, please measure in alignment when the receiver is stationary over 30 seconds or the pole hit the ground toughly. 4. The pole cannot be shaken when point is collected. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 46 Equipment Setup and Operation 5. Initialization is required:

when the RTK is turned on every time;

when IMU module is turned on every time;

when receiver drops at working;

when the pole is tilted more than 65 degree;

when the receiver is stationary more than 10 minutes;

when the RTK rotates too fast on the matching pole (2 rounds per second);

when the pole hit the ground toughly. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 47 Equipment Setup and Operation 5 Configuring Through a Web Browser Supported browsers:

Google Chrome Microsoft Internet ExplorerR version 10, or higher To connect to the receiver through a web browser:

1. Turn on the Wi-Fi of the receiver. 2. Search the wireless network named as GNSS-XXXXXXX (the SN of your receiver) on your computer, and then establish the connection. 3. After the successful connection between your computer and the receiver, enter the IP address (192.168.1.1) of the receiver into the address bar of the web browser on your computer:

4. The web browser prompts you to enter a login account and password:

The default login account for the receiver is:

Login Account: admin Password: password Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 48 Note Tick remember me o ptio n, and then the browser will remember the Lo gin Acco unt and Password yo u entered. Equipment Setup and Operation 5. Once you log in, the web page appears as follows:

This web page shows the configuration menus on the left of the browser window, and the setting on the right. Each configuration menu contains the related submenus to configure the receiver and monitor receiver performance. This chapter describes each configuration menu. To view the web page in another language, select the corresponding language name from the dropdown list on the upper right corner of the web page. Currently, two languages are available:

Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 49 Equipment Setup and Operation 5.1 Status Menu 5.1.1 Position Submenu This menu provides a quick link to review the receiver's position information, satellites tracked, runtime, current data log status, current outputs, available memory, and more. This page shows the relevant position information about the receiver's position solution which including the position, DOP values, satellites used and tracked, and the receiver clock information. 5.1.2 Activity Submenu Lists several important items to help you understand how the receiver is being used and its current operating condition. Items include the identities of currently tracked satellites, internal and external storage usage rate, how long the receiver has been operational, state of the internal battery, power source state, files being logged, and data streams being output. With this information, it is easy to tell exactly what functions the receiver is performing Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 50 Equipment Setup and Operation 5.1.3 Google Map Submenu Tap this submenu to show the location of the receiver on Google map. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 51 5.2 Satellites Menu Equipment Setup and Operation Use the Satellites menu to view satellite tracking details and enable/disable GPS, GLONASS, BDS and Galileo constellations. These menus include tabular and graphical displays to provide all required information on satellite tracking status. 5.2.1 Tracking Table Submenu Provides the status of satellites tracked in general, such as the satellite ID, satellite type, attitude angle, azimuth angle, L1 SNR, L2 SNR, L5 SNR and enable/disable status of each one. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 52 Equipment Setup and Operation 5.2.2 Tracking Info. Table Submenu The following figure is an example of satellite track diagram page. Users can determine the satellite types and the corresponding SNR of L-band carriers to be displayed in any combination. 5.2.3 Tracking Skyplot Submenu The following figure is an example of Skyplot page. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 53 5.2.4 Satellite Activation Submenu Use this menu to enable or disable satellites. Equipment Setup and Operation Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 54 Equipment Setup and Operation 5.3 Receiver Configuration Menu Use this menu to configure settings such as the antenna type and height, elevation mask and PDOP setting, the reference station coordinates, receiver resetting and web interface language:

5.3.1 Description This submenu shows the receiver information and reference station information, including antenna related information, elevation mask angle, reference station work mode and position, etc. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 55 Equipment Setup and Operation 5.3.2 Antenna Configuration Submenu Use this screen to configure all the items related to the GNSS antenna. You must enter the correct values for all antenna-related fields, because the choices you make affect the accuracy for logged data and broadcast correction data significantly:

5.3.3 Reference Station Settings Submenu Use this screen to configure settings such as the station coordinates and the broadcast station identifiers. You must enter accurate information in these fields, as this data affects the accuracy of logged data files and broadcast correction data significantly:

Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 56 For Reference Station Mode, there are three modes available:

a) Auto Rover: The receiver will serve as a rover after this mode is enabled, and then receive correction data through the working mode set last time. Equipment Setup and Operation b) Auto Base: The receiver will serve as a base after this mode is enabled, and then broadcast correction data based on coordinate inputted by user or obtained through autonomous positioning automatically. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 57 Equipment Setup and Operation c) Manual Base: The receiver will serve neither as a base nor a rover after this mode is enabled. Users need to configure the receiver manually For Reference Latitude and Reference Longitude:

There are mainly three methods to enter the reference coordinates and shown as follows:

a) Acquire Current Position: Click this button to acquire current position obtained through autonomous positioning automatically. b) Manual Input: Manually input the coordinate of a control point. c) From CORS: After the receiver logging in CORS, the software can record the coordinate of current position based on fix solution. For Sample for Average:

Users can determine the positioning limit and sampling amount. The positioning limit falls into two types:

a) Single Solution Coordinates: Collect the coordinates of receiver obtained through autonomous positioning. b) Fixed Solution Coordinates: Only collect coordinates of receiver with a fixed solution. to carry out sampling and After the configuration of positioning limit and sampling amount, click averaging the progress bar will show the progress the result will be served as the coordinate of current position. If users need to save the changes, please button. tap Geodetic GNSS Receiver USER GUIDE |

P a g e | 58 2022-01 Equipment Setup and Operation 5.3.4 Receiver Reset Submenu Use this screen to completely or partially reset the receiver:

5.3.5 Languages Submenu Use this screen to select the web interface language:

Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 59 5.3.6 User Management Submenu Equipment Setup and Operation 5.3.7 HCPPP Settings Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 60 Equipment Setup and Operation 5.4 Data Recording Menu Use the Data Logging menu to set up the receiver to log static GNSS data and to view the logging settings. You can configure settings such as observable rate, recording rate, continuous logging limit, and whether to auto delete old files when memory is low. This menu also provides the controls for the FTP push feature:

5.4.1 Log Settings Submenu Here shows the data logging status, including internal and external storage usage and data logging status of each session. Also, users can configure the data logging settings for each session, including recording name, store location, storage limit, store formats, start time, etc Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 61 To edit the settings of each session, click the Modify button to the right of the required session, and then the Recording Edit screen appears:

Equipment Setup and Operation Click advanced to see more settings. In this screen, you can configure all the data logging parameters, and determine whether the recording files will be affected by the FTP Push. The parameters are mainly as follows:

Auto Record: on or off. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 62 Equipment Setup and Operation Sample Interval: Select the observable rate from the dropdown list. Elevation Mask: Enter the elevation mask. Duration Time: Set the duration of data logging. Site Name: Enter the name of the site. Antenna Height: the measured height value. Measure way: Antenna Phase Center, Vertical Height, Slant Height Storage Format: Select the format of the data store. RINEX Version: OFF, 3.02, 2.11 Start Date: Select Yes or No option to determine whether to auto record start date. Apply Time: Select Yes or No option to determine whether to auto record apply Integral Point Store: Select Yes or No option to determine whether to allow Circulating Memory: Select Yes or No option to determine whether to auto delete old Repeat Observations: Select Yes or No option to determine whether to turn on to time. receiver to save data every hour. files if the storage space is full. record a single observation. Store Location: Internal Storage, External Storage. Assigned Storage: The assigned memory size of current thread(for example, Record 1) is 10000MB Observer: Enter the name of observer. Observer Agency: Enter the name of observer agency. FTP Push: Decide whether to push the stored files to the FTP server of your choice. Tap Also, users can click Log Settings screen. button to save the settings and back to the Log Settings screen. to abandon the changed settings and back to Note To mo dif y data lo g ging parameters, make sure the data log ging sessio n is switched o ff. To switch on or off ANY data logging session, tap the ON or OFF button on the right of the required session. To delete the recorded files of ANY data logging session, tap the Clear button on the right of the required session. To delete the recorded files of ALL data logging sessions, tap the Clear ALL Accounts button. 5.4.2 FTP Push Settings Submenu Use this screen to configure the receiver to push stored files to the FTP server of your choice. Only files that are configured to use FTP push are transmitted. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 63 Equipment Setup and Operation Tap Modify button on the right of the required FTP server and the FTP Push Settings screen appears:

5.4.3 FTP Push Log Submenu Shows the related information about the recorded filed that be pushed. And users can tap Clear Ftp Send Log button in the upper right corner to clear the log of FTP Push operations. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 64 Equipment Setup and Operation 5.4.4 Data Download Submenu In this submenu, users can download the data files that recorded in the internal storage through the internal FTP site. 1. Click this submenu, and then the log on dialogue box will prompt you to enter a user name and password:

The default logon account for the internal FTP site is:

User name: ftp Password: ftp on the receiver:

2. Click the directory named as repo to view and download the files currently stored 3. To find the file need to be downloaded, click the name of data logging session the date of file that be recorded the format of the file the name of the target file. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 65 Equipment Setup and Operation 4. To download a file, left click the name of the target file download the file according to the prompts. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 66 5.5 IO Settings Menu Equipment Setup and Operation Use the IO Settings menu to set up all receiver outputs and inputs. The receiver can output CMR, RTCM, Raw data, Ephemeris data, GPGGA, GPGSV, on TCP/IP, UDP, serial port, or Bluetooth ports. 5.5.1 IO Settings Submenu The following figure shows an example of the screen that appears when you select this submenu. In this submenu, users can configure 6 types of input and output settings. 1. RTK Client After configuring the settings of RTK client, users can log on CORS or APIS. Tap the Connect button to the right the IO Settings screen will appear choose one of the connection protocols among the NTRIP, APIS_BASE and APIS_ROVER configure the related parameters click to log on CORS or APIS. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 67 Connection Protocol: NTRIP Equipment Setup and Operation Connection Protocol: APIS_BASE Connection Protocol: APIS_ROVER Connection Protocol: TCP Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 68 Equipment Setup and Operation 2. TCP/UDP_Client/NTRIP Server Tap the Connect button on the right of required TCP/UDP Client the IO Settings screen will appear select the connection protocol from TCP, UDP,NTRIP1.0 and NTRIP2.0 enter the IP and Port of the target server configure messages that you want to output to the target server click to save and complete the connection. Connection Protocol: TCP Connection Protocol: UDP Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 69 Equipment Setup and Operation Connection Protocol: NTRIP1.0 Connection Protocol: NTRIP2.0 Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 70 Equipment Setup and Operation 3. TCP Server/NTRIP Caster Tap the Connect button to the right of required TCP Server/NTRIP Caster the IO Settings screen will appear select one of the connection protocols between NTRIP and TCP configure the other related parameters click server. to save the settings and open the Connection Protocol: TCP Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 71 Connection Protocol: NTRIP Equipment Setup and Operation 4. Serial Port Tap the Settings button on the right of Serial Port the Serial Port Setup screen will appear select Baud Rate used to transmit data configure the messages that you want to output through the serial port click to save the settings and start to transmit. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 72 Equipment Setup and Operation 5. Bluetooth Tap the Settings button to the right of Bluetooth the Bluetooth Set screen will appear configure the messages that you want to transmit through Bluetooth click save the settings and start to transmit. to 6. Radio Tap the Settings button to the right of Radio the Radio Settings screen will appear select the format of differential data that you want to transmit through radio from the dropdown list click to save the settings and start to transmit. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 73 5.6 Network Setting Menu Equipment Setup and Operation Use this menu to view network information, configure the receivers mobile network, set email alert for specific situation, configure HTTP or HTTPS port, and the username and password of internal FTP site:

5.6.1 Description Submenu Use this submenu to check the information of network setting. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 74 5.6.2 Mobile Network Setting Submenu Use this submenu to configure GPRS model, network module and modify dialing status. Equipment Setup and Operation 5.6.3 Email Alarm Submenu Use this submenu to choose which situation of receiver will be alerted and input the email address. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 75 Equipment Setup and Operation 5.6.4 HTTP Submenu Use this submenu to configure HTTP port. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 76 5.6.5 HTTPS Submenu Use this submenu to configure HTTPS port. Equipment Setup and Operation 5.6.6 FTP Service Submenu Use this submenu to configure the user name and password of internal FTP site. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 77 Equipment Setup and Operation 5.7 Module Setting Menu Use this menu to check module information, configure WiFi, bluetooth, radio related settings, and turn on/off static voice of buzzer:

5.7.1 Description Submenu Use this submenu to check the information of WiFi module, bluetooth module and radio module. 5.7.2 WiFi Submenu Use this submenu to turn on/off WiFi function and modify password. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 78 Equipment Setup and Operation 5.7.3 Bluetooth Settings Submenu Use this submenu to turn on/off bluetooth function and modify PIN number. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 79 5.7.4 Radio Settings Submenu Equipment Setup and Operation Use this submenu to turn on/off radio function and configure radio parameters. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 80 Equipment Setup and Operation 5.8 Firmware Menu Use this menu to check the current firmware information, download the system log, update the receiver firmware, download or update the configuration file and register the receiver, and more:

5.8.1 Firmware Info Submenu Use this submenu to check the current firmware information. The following figure shows an example of the firmware information. 5.8.2 Hardware Version Submenu Use this submenu to check the hardware information, including main board version and core board version:

Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 81 Equipment Setup and Operation 5.8.3 Config File Submenu Use this submenu to update Configuration File. 5.8.4 System Log Download Submenu Use this submenu to download the system log of the receiver. 5.8.5 User Log Submenu Use this submenu to download the user log. Tap Download to download current user log; Tick items that you want to see on the user log and tap confirm button to confirm selected user log. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 82 Equipment Setup and Operation 5.8.6 Firmware Update Submenu Use this submenu to load new firmware to the receiver across the network. Tap the Browse button to locate the upgrade file tap Confirm button to confirm the selected upgrading file and start upgrading. N otes It may take abo ut 3 o r 4 minutes to co mplete the firmware upgrading. Do no t to uch the power butto n o r unplug the power until the upgrading process finishes, o r damage will be caused to the receiver. The rece iver will restart after the firmware upgrading is do ne, so users need to reco nnect the receiver with yo ur co mputer v ia Wi -Fi, and then log-in the receiver thro ugh a web browser to co ntinue the configuratio n. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 83 Equipment Setup and Operation 5.8.7 GNSS Board Upgrade Submenu Use this submenu to upgrade GNSS Board. Use this submenu to load new board to the receiver across the network. Tap the Browse button to locate the upgrade file tap Confirm button to confirm the selected upgrading file and start upgrading. 5.8.8 Radio Upgrade Submenu Use this submenu to browse upgrade file and upgrade radio. Use this submenu to load new radio to the receiver across the network. Tap the Browse button to locate the upgrade file tap Confirm button to confirm the selected upgrading file and start upgrading. 5.8.9 Upgrade Online Submenu Use this submenu to input Server Address and upgrade online. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 84 Equipment Setup and Operation 5.8.10 GNSS Registration Submenu Use this submenu to register the receiver. Paste or enter the registration code to the Registration Code field tap Registration button to complete the registration. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 85 Equipment Setup and Operation 5.9 Cloud Service Setting Menu 5.9.1 Cloud Service Setting Submenu Use this submenu to turn on or turn off Cloud Service, Auto Start, Remote Control and configure other settings. Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 86 A Communication Ports Definition Communication Ports Definition AI CHC i83 Receiver IO Port (7-pin Lemo Port) Definition PIN 1 2 3 4 5 6 7 RS232-TX (Output) FUNCTION Ground ( - ) Ground ( - ) Not Used PPS VIN RS232-RX (Input) Geodetic GNSS Receiver USER GUIDE | 2022-01 P a g e | 87 CHC Navigation Building D, NO. 599 Gaojing Road, Qingpu District, 201702 Shanghai, China Tel: +86 21 542 60 273 | Fax: +86 21 649 50 963 Email: sales@chcnav.com | support@chcnav.com Skype:

chcnav_support Website: www.chcnav.com This document is intended for general information purposes only. It does not consider the readers specific circumstances and environmental constraints of use of GNSS Make your work more efficient FCC warning statements:

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help. Caution: Any changes or modifications to this device not explicitly approved by manufacturer could void your authority to operate this equipment. This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. The device has been evaluated to meet general RF exposure requirement This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 50cm between the radiator & your body.

Shanghai Huace Navigation Technology Ltd. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 2022-03-16 Subject; Request for Long Term Confidentiality FCC ID: SY4-A02033 To Whom It May Concern, Pursuant to the provisions of the Commissions rules Title 47 Sections 0.457 and 0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Schematic Diagram Block Diagram BOM Operational Description Tune-up Procedure Signature:

Name: Chu Sheng Title: CERTIFICATION MANAGER

Shanghai Huace Navigation Technology Ltd. Office of Engineering and Technology Laboratory Division Equipment Authorization Branch Federal Communications Commission Laboratory 7435 Oakland Mills Road Columbia, MD 21046 Subject: Extend Frequencies Justification Original Application FCC ID: SY4-A02033 Company: Shanghai Huace Navigation Technology Ltd. Address: Building D, 599 Gaojing Road, Qingpu District, Shanghai, China Dear Sir or Madam;

This Digital radio was designed to operate in the frequency bands 433MHz; To aid equipment authorization in other countries that accepts the United States FCC Grant for Certification, Shanghai Huace Navigation Technology Ltd. Is requesting that the FCC list the frequencies 410-470MHz under FCC Rule Parts 90 and the Grant note code EF. For the FCCs Rule Part 90 applications, this radio is used in systems by Federal and Public Safety agencies including Police, Fire, and Emergency Medical Services, etc. as indicated in the table below. Equipment programming is the responsibility of Authorized Service Personal. Also, the radio complies with 47 CFR Part 90.203 (e), in that the operator cannot directly program the transmit frequencies using the normally accessible external controls. Per the FCCs KDB634817 guidance, as an alternative to listing the exact frequencies, we acknowledge that its a violation of the FCC Rules if this device operates on unauthorized frequencies. Please contact me if you require any additional information. Shanghai Huace Navigation Technology Ltd. Signature:

Name:

Chu Sheng Title:

CERTIFICATION MANAGER Company: Shanghai Huace Navigation Technology Ltd. Date: 2022-03-16

Shanghai Huace Navigation Technology Ltd. Letter of Authorization Company: Shanghai Huace Navigation Technology Ltd. Address: 599 Gaojing Road, Building D, Shanghai 201702, China Product Name: Geodetic GNSS Receiver Model Number(s): i83 We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature:

Name:

Chu Sheng Title:

CERTIFICATION MANAGER Company: Shanghai Huace Navigation Technology Ltd. Date: 2022-03-16

Shanghai Huace Navigation Technology Ltd. Office of Engineering and Technology Laboratory Division Equipment Authorization Branch Federal Communications Commission Laboratory 7435 Oakland Mills Road Columbia, MD 21046 Subject: Extend Frequencies Justification Original Application FCC ID: SY4-A02033 Company: Shanghai Huace Navigation Technology Ltd. Address: Building D, 599 Gaojing Road, Qingpu District, Shanghai, China Dear Sir or Madam;

We, Shanghai Huace Navigation Technology Ltd. declares that the Digital radio meets 47CFR Section 90.203(j)(4) and 90.203(j)(5) spectrum efficiency requirement;

This Digital radio is support 25 KHz for GMSK (digital modulation; Emission Designator:

G7D for data modes, also this Digital radio designed in accordance with ETSI TS 102 361-1 requirement, will at least support 19200 bits per second in a 25 KHz channel bandwidth, GMSK will refer 4 time slots in one 25 KHz bandwidth accordance to ETSI ETS 102 361-1. Signature:

Name:

Chu Sheng Title:

CERTIFICATION MANAGER Company: Shanghai Huace Navigation Technology Ltd. Date: 2022-03-16

Shanghai Huace Navigation Technology Ltd. Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Date: 2022-03-16 SUBJECT: FCC Application for SY4-A02033 To Whom It May Concern:

We, the undersigned, hereby authorize Mark Zhu at Shenzhen Alpha Product Testing Co., LTD. on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by Shenzhen Alpha Product Testing Co., LTD. on our behalf shall have the same effect as acts of our own. This is to advise that we are in full compliance with the Anti- Drug Abuse Act. We, the applicant, are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Regards, Date:

2022-03-16 Signature:

Name:

Chu Sheng Title:

CERTIFICATION MANAGER Company:

Shanghai Huace Navigation Technology Ltd. D:\ 2022-T \A2112293-C02-M01_FCC-ID_GNSS Receiver_i83__\8.\MICOM FCC\POA_Letter_140225.docx

Shanghai Huace Navigation Technology Ltd. Date: March 16, 2022 Subject: Ad Hoc Mode Function Declaration FCC ID: SY4-A02033 To Whom it may concern, This device is acting as slave and operating in the 2.4 GHz (2402 2480 MHz & 2412 2462 MHz) band. Ad Hoc function is supported but not able to operate on non-US frequencies. Yours sincerely, Signatory Chu Sheng CERTIFICATION MANAGER Name Position Company Name Address Tel Fax Email Shanghai Huace Navigation Technology Ltd. Building D, 599 Gaojing Road, Qingpu District, Shanghai, China

+86-21-51508100

+86-21-64851208 sheng_chu@huacenav.com Ersteller:

Erstelldatum: 21.06.07 D. Brandhorst Revision: 00 Datum:

00.00.00 Seite 1 von 1