FCC ID: 2BFQL-Q1062LT22A Car multimedia infotainment system

Lvtong new energy multimedia system Lvtong new energy multimedia system User manual-V1.0 User manual-V1.0 Dongguan RoadRover Intelligent Technology Co., Ltd. User manual User manual Warning Warning Thank you for purchasing Lvtong Automobile products!

Thank you for purchasing Lvtong Automobile products!

Our company continues to improve and optimize the products, please refer to the actual display Our company continues to improve and optimize the products, please refer to the actual display interface, if there is any change without prior notice. interface, if there is any change without prior notice. Please read this manual carefully, because the information in it can let you know how to safely and Please read this manual carefully, because the information in it can let you know how to safely and correctly operate the Lvtong new energy multimedia system all-in-one machine , and learn from it correctly operate the Lvtong new energy multimedia system all-in-one machine , and learn from it Get maximum driving enjoyment. Get maximum driving enjoyment. For your safety, you should lower the volume of the media before driving , so as to perceive and For your safety, you should lower the volume of the media before driving , so as to perceive and judge the surrounding driving conditions. judge the surrounding driving conditions. Please do not operate multimedia systems or watch videos while driving. Please do not operate multimedia systems or watch videos while driving. Please do not let children to operate the multimedia system to avoid personal injury or machine Please do not let children to operate the multimedia system to avoid personal injury or machine damage. damage. Please do not use it in places where the use of electronic equipment or open flames is strictly Please do not use it in places where the use of electronic equipment or open flames is strictly prohibited , such as: gas stations, wineries, areas with strong electromagnetic interference, etc., prohibited , such as: gas stations, wineries, areas with strong electromagnetic interference, etc., otherwise it may cause danger. otherwise it may cause danger. Please do not maintain or install the machine by yourself . Do not install or maintain the machine Please do not maintain or install the machine by yourself . Do not install or maintain the machine while the power is on. It is very dangerous to install and maintain the machine by non-professional while the power is on. It is very dangerous to install and maintain the machine by non-professional personnel. personnel. Do not scratch the display screen with sharp objects , and do not press the display screen vigor-

Do not scratch the display screen with sharp objects , and do not press the display screen vigor-

ously, otherwise it will cause damage to the display screen or touch screen. ously, otherwise it will cause damage to the display screen or touch screen. In order to ensure the normal operation of the machine and prevent fire or electric shock, please In order to ensure the normal operation of the machine and prevent fire or electric shock, please do not expose the machine to a humid environment, let alone put liquid spilled on the machine. do not expose the machine to a humid environment, let alone put liquid spilled on the machine. The pictures in this manual are schematic diagrams and are for reference only. Guangdong Lvtong The pictures in this manual are schematic diagrams and are for reference only. Guangdong Lvtong New Energy Electric Vehicle Technology Co., Ltd. reserves the right of final interpretation of this New Energy Electric Vehicle Technology Co., Ltd. reserves the right of final interpretation of this manual . manual . User manual Warning Federal Communications Commission (FCC) Statement. This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:

1This device may not cause harmful interference, and 2this device must accept any interference received, including interference that may cause undesired operation. Note: 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. Warning: Changes or modifications made to this device not expressly approved by Dongguan RoadRover Intelligent Technology Co., Ltd. may void the FCC authorization to operate this device. Note: The manufacturer is not responsible for any radio or TV interference caused by unauthorized modifications to this equipment. Such modifications could void the user's authority to operate the equipment. User manual User manual Warning Warning RF exposure statement:

The transmitter must not be colocated or operated in conjunction with any other antenna or transmitter. This equipment complies with the FCC RF radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with a Minimum d istance of 20cm between the radiator and any part of your body. User manual Directory Precautions1 Product introduction.2 Multimedia system and Description....5 Functional application Display interface..7 Radio..........9 BT music....10 BT phone.......11 USB...........14 Mobile Internet............17 Settings.............23 Product connector......30 Common Troubleshooting Guide.......35 Repair and Maintenance....36 User manual Announcements In the case of ensuring driving safety, operate this product carefully, please do not watch the videos, so as to avoid affecting driving safety due to inattention. This Lvtong new energy multimedia system can play music, pictures, and video files in the U SB. Keep the volume of multimedia audio and video at an appropriate level while driving , so as to be able to perceive road conditions and vehicle conditions and ensure driving safety. Avoid excessive moisture and dust, and do not let the product get wet , which may cause electric shock, fire or other damage. Display interface..7 Extremely high or extremely low temperature will interfere with the normal function of the multi-

media system. If the multimedia system is parked in direct sunlight or in a cold place for an extend-

ed period of time, The multimedia system may become extremely hot or cold. If it is not in this environment, the normal function can be restored. If it cannot be restored, please contact the authorized after-sales service center of the multimedia system for inspection. If the Multimedia System of Lvtong New Energy breaks down (no power, no image, no sound) or is in an abnormal state (internal abnormalities objects , water, smoke, or smell), please do not open the casing, disassemble the body or lubricate the rotating parts. The power should be cut off immediately And contact the authorized after-sales service center of the car for maintenance. Do not disassemble and repair the machine by yourself, please consult your dealer for any ques-

tions!

1 User manual Product introduction Overview This product is an intelligent multimedia system with audio-visual entertainment as the core, inte-

grating vehicle instrumentation and multimedia system. Simple but not simple fashion appearance, Ultra- smart full-screen full-touch, adding a shocking experience full of personality. May you explore new joys, experience modern life, and enjoy driving fun!

Features 10.1-inch high-definition display Linux 5.4 operating system Built-in 128M memory Radio/media player, support 1080P HD decoding Bluetooth music/Bluetooth phone/mobile link Rear view camera Basic technical indicators Working temperature range: -20~+70;

storage temperature range: -30~+80;

Humidity range: 45%~75%;

Atmospheric pressure: 86 kPa ~106 kPa ;

Working power supply: DC 9 V ~ 16 V ;

standard voltage: DC 12 V;

Dark current: 3mA; Maximum current: 10A;

Speaker load: 4; rated output power: 2*20 W ( DC =14 V ) 2 User manual Product introduction Main parameters of display screen and touch screen NO. Technical parameters Feature Remark 1 2 3 4 5 Screen size Resolution 10.1 inches 1024*600 Surface treatment Anti - glare Interface LVDS Touch screen 10.1 inch capacitive touch screen Product basic functions and system parameter table NO. Function Description Remark Bluetooth phone, Music function Built-in Bluetooth module, realizing Bluetooth dialing, answering, hanging up, Channel switching, call record synchronization function. Support blue-

tooth mobile phone music playback function. Radio Support FM/AM band. Play music Support MP 3, WAV , FLAC , AAC format music playback, etc. Video playback Support AVI , MP4 , FLV , MOV, M4V, MKV format video playback,etc. Picture Support picture browsing function. 1 2 3 4 5 3 User manual Product introduction 6 7 Microphone Support Bluetooth phone input function . System settings Support Bluetooth, WIFI, audio, display, date and time and other functions 8 Mobile link Support the overseas version of Mobile link ( Easy-

Connection APP) function can . Mainly connect to the mobile phone through wired USB connection and scan code, Support Apple and Android mobile phone screen projection; realize mobile phone navigation, music playback, phone calling and other functions on the EasyConnection APP. settings . 9 Vehicle information Support vehicle information, built-in CAN BUS, diagnosis. 10 USB Support USB 2. 0 , multimedia player. 11 Rear view camera Support rear view camera and auxiliary line for reversing. 12 13 14 WIFI Built-in WIFI function. Amplifier Rated power : 2*20W, load: 4 . AUX audio Support AUX audio output and connect to external audio devices. 15 System T113-S3 (dual-core) processor, ARM Cortex A7;

operating system : Linux 5.4 Display: 10.1 inch 1024*600 Capacitive touch screen: 10.1 inch . settings . 4 User manual 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 Left turn indicator light highlighted green Dipped headlight green highlight R N D Reverse mode Neutral mode Forward gear Beam blue highlight Right turn indicator light highlighted green Brake system fault warning light Vehicle failure information indicator light, click the icon to enter the vehicle failure warning information interface SPR/LOW High Speed Mode /Low Speed Mode BMS MCU SOC ODO Short Press Click BMS to enter the BMS list interface Short Press Click MCU to enter the MCU list interface Current vehicle speed, motor speed Battery level Total mileage Source switching Short Press Click to switch: radio, music, video, Bluetooth music, mobile phone interconnection

( Note: Bluetooth and U disk have been connected) HOME Short Press Click the HOME button to quickly return to the main interface Back Short Press Back button , layer by layer return function Volume+

Short Press Click to turn up the volume Volume-

Short Press Click volume down Mute/unmute Short Press Click on the Mute/Unmute function 6 User manual Multimedia system and Description The main interface is described as follows:

7 8 9 10 11 12 13 14 15 16 17 19 18 1 2 3 20 21 4 5 6 22 23 24 25 26 27 NO. Designation Operate Illustrate 1 2 3 4 5 6 Radio Short Press Enter the radio interface BT music Short Press In the case of Bluetooth connection, click to enter Bluetooth music playback USB Short Press On USB When connected, click to enter the USB file playback Mobile link Short Press Click to enter the mobile link interface BT phone Short Press In the case of Bluetooth connection, click to enter the Bluetooth phone Settings Short Press Click to enter the setting interface 5 User manual Functional application Instrument interface

Click BMS on the instrument interface to enter the BMS information list interface, and the multi-

media window on the right will display information about the lithium battery (the vehicle battery is a lithium battery pool and in communication state) Click MCU on the instrument interface to enter the MCU information list interface, and the vehi-

cle-related information will be displayed at this time 7 User manual Functional application Instrument interface

Click on the instrument interface enter the warning info interface. 1 2 3 NO. Designation Operate Illustrate 1 2 3 Faults and Warnings Warning turn left Warning turn right Red fault , blue warning, fault priority Short Press Previous Fault or Warning Short Press Next Page Faults or Warnings 8 User manual Functional application Radio

Click the [Radio] icon on the main interface, and you can immediately listen to the station that was playing when the radio was turned off last time . The radio interface is as follows:

Frequency Band Selection: The radio has two band stations , FM and AM , which can be switched by clicking the corresponding button. Manual adjustment: When the radio is playing, click and to manually search, short press to jump a frequency point to low frequency or high frequency, or drag The red scale needle or click on the scale bar, the position of the red scale needle is the current playing frequency point. Automatic channel search: Long press and 1.5son the interface , the radio player will automatically search for stations from the current frequency point to low frequency or high frequency, stop searching when a valid station is found, and broadcast the content of the station. Automatically search and save stations: Click to search all stations from the initial frequency and display them on the interface. After the search is completed, the radio will play the first station saved. After automatic search, the playlist will be updated and the original favorite stations will be kept. Play: The valid radio stations stored in the automatic search will be added to the playlist, and the radio icon can be switched by clicking the previous/next button in the playlist available stations to play . Collect/Uncollect radio station: Click the "Collect" icon, and the icon will be displayed to indicate that it has been favorited, and it will be added to the favorite list; click again, the icon will be displayed , or long press the station in the favorite list, you can also cancel the favorite station currently playing, and add it to the favorite list. The list is updated. 9 User manual Functional application BT music

When the mobile phone is connected to bluetooth, click the BT music icon to enter the bluetooth playback, and you can play the songs in the mobile phone through bluetooth. 4 1 2 3 NO. Button Operate Illustrate 1 2 3 4 Short press Go to previous song Short press Pause/ Play Short press Go to next song Short press Enter the EQ mode 10 User manual Functional application BT phone

When the mobile phone is connected to Bluetooth, click the Bluetooth phone icon to enter the Bluetooth phone interface, where you can view recent calls, contacts and Dial. Synchronization of call records: When the mobile phone is successfully connected, the call records on the mobile phone will be automatically synchronized to the Multimedia system. Click Recent calls, can view the missed calls, outgoing calls and received calls. Click and hold the interface and drag up and down,You can tap a call history to quickly implement this function One key dial. Contacts synchronization: When the mobile phone is successfully connected, the phone book on the mobile phone will be automatically synchronized to the multimedia system, click the "Contacts"

icon , you can view the contact list; tap a contact information to quickly dial with one key. 11 User manual Functional application Make/receive calls: Please make sure your mobile phone is successfully connected to the multi-

media system before making and receiving calls. When making a call, click the "Dial" icon After entering the number on the numeric keypad on the interface , click the icon to make a call. Call interface:When the call ends Click Hang up icon to end the call Click the micro-

phone icon to switch mute mode;Click icon toggle keyboard / the hidden keyboard;

Click the icon to switch the multimedia system/ headphone mode. 12 User manual Functional application Call interface Main interface calls 13 User manual Functional application USB USB device is connected to the multimedia system, click the USB icon, prompting you to connect the USB device first. Audio files (synchronized music function) The multimedia system has been connected to the USB device, click the "USB" icon to enter the music list interface, select any track to enter the playback interface. Enter The music interface con-

trols play/pause, previous song, and next song. Click the icon to enter the EQ mode. Loop switching: Click to switch the playback mode, divided into random playback, sequential play-

back, and single loop. Click the icon to return to the music list interface. Music 14 User manual Functional application Video files The multimedia system has been connected to the USB device. Click "Video Files" to enter the video list, and all current video files will be displayed in the video list. Choose any video file and click to enter the video playback. In this interface, users can pause/play/close video files at any time according to their needs . Video 15 16 User manual Functional application Photo files The multimedia system has been connected to the USB device. Click "Photo Files" to enter the photo list, and all current photo files will be displayed in the photo list. Choose any photo file and click to enter photo browsing. In this interface, users can double-click the screen to zoom in/out, browse and switch files in the previous/next position at any time according to their needs . Photo 16 User manual Functional application Mobile Link Click the "Mobile link" icon on the main interface to enter the application, and the mobile phone is connected to the multimedia system through USB connection and scanning code connection. After the connection is successful, you can perform screen projection and related operations. ( The Carbi-

tLink application needs to be installed on the mobile phone before using this function ) Android supports Android system version 7.0 or above ;

Apple supports iOS system version iOS12 and above. CarbitLink Download and Install For the first connection, you need to download and install the CarbitLink application on the mobile phone. The download and installation method is as follows:

1. Use the mobile phone's code scanning tool to scan the QR code on the multimedia system screen, and download CarbitLink according to the instructions. 2. Search and download CarbitLink through the Google App Store for Android phones and the Apple App Store for Apple phones. Apple mobile phone connection mode and use Connection mode 1USB connection 1.1Open CarbitLink on the Apple mobile phone , and connect the USB charging cable of the mobile phone to the USB interface of the multimedia system screen to establish interconnection , which can realize in -app projection and mirror projection of CarbitLink. 17 User manual Functional application 1.2. The mobile phone is in the unlocked state. When connecting for the first time, the mobile phone will pop up a trust authorization window. Click "Connect Now", the connection is successful, and there will be no more prompts when the connection is established next time. 1.3. If you click "Cancel" or unplug the USB cable, the interconnection cannot be completed, and the display on the multimedia system screen will not be affected. The pop-up window will still prompt the next time you connect. 2. Scan code connection 2.1. On the main interface of the multimedia system screen, click " Mobile Internet" to enter the application, and select the Apple device. Open the CarbitLink app on the mobile phone, click "

Connect to Vehicle" on the right, select "Wireless Connection", click "Scan the connection QR Code"

to enter the scanning interface, and scan the QR code of the "Apple Device" on the multimedia system screen . The code will prompt "Does CarbitLink want to enter the wireless LAN Link-XXX?". 2.2. Click "Join" to enter the Internet connection. If the connection is successful, the in-app screen projection and mirror projection can be realized. 2.3. Click "Cancel" without affecting the display on the multimedia system screen. You can scan the code again, and the prompt will still be displayed. 18 User manual Functional application 2. Use of functions 1. In-app projection 1.1. After the mobile phone is successfully connected to the multimedia system screen, the Carbi-

tLink function application can be displayed on the multimedia system screen, and Google Maps , local music , phone calls, music and other applications can be operated through the multimedia system screen. system screen . The code will prompt "Does CarbitLink want to enter the wireless LAN Link-XXX?". 2. Screen mirroring 2.1. Click "Mirror screen" in the CarbitLink app on the mobile phone , click "Start Live Streaming", return to the main page of the mobile phone, and then you can cast the application on the mobile phone to the multimedia system screen, and operate the relevant application through the mobile terminal. The screen display of the multimedia system is synchronized. 2.2. Enter "Mirroring screen"the multimedia system screen does not support anti- control opera-

tion, and can only be operated on the mobile phone. 19 User manual Functional application How to connect and use in the Android mobile phone Connection mode 1. USB connection 1.1. Connect the USB charging cable of the Android phone to the USB interface of the multimedia system screen to establish interconnection. The mobile phone and the multimedia system will automatically launch the CarbitLink application immediately, which can realize the in-app and mirror projection of CarbitLink . 1.2. The mobile phone is in the unlocked state. When connecting for the first time, the mobile phone will pop up a pairing authorization window. Click "OK", the connection is successful, and there will be no prompt when the next connection is established . 1.3. If you click "CANCEL" or unplug the USB cable, the interconnection cannot be completed , and the display on the multimedia system screen will not be affected. The next connection pop-up window will still prompt. 2. Scan code to connect 2.1. On the main interface of the multimedia system screen, click "Mobile Internet" to enter the application , select the Android device, open CarbitLink on the mobile phone, click "Connect Vehi-

cle" on the right, select "Wireless Connection", and click "Scan the connection QR Code" to pop up WIFI Open the authorization box. 2.2. Click "Allow once", turn on the WIFI on the mobile phone, and then click "Scan the connection QR Code" to scan the QR code at the "Android Device" QR code on the multimedia system screen, enter the Internet connection, and the connection is successful, and the application can be realized Internal projection and mirror projection. 2. 3. Clicking "Deny once" will not affect the display of the multimedia system screen. You can click

"Scan the connection QR Code" again, and the prompt will still pop up. 20 mirror projection of CarbitLink . User manual Functional application 2. Use of functions 1. In-app projection 1.1. After the mobile phone is successfully connected to the multimedia system screen, the Carbi-

tLink function application can be displayed on the multimedia system screen, and Google Maps , local music , phone calls, music and other applications can be operated through the multimedia system screen. 2. Screen mirroring 2.1. Click "Mirroring screen" in the CarbitLink app on the mobile phone , click "Start Live Stream-

ing", return to the main page of the mobile phone, and then you can cast the application on the mobile phone to the multimedia system screen, and operate the relevant application through the mobile terminal. The screen display of the multimedia system is synchronized. 2.2. Enter "Mirroring screen" , the multimedia system screen supports anti-control operation, and it can also be operated on the mobile phone. 21 User manual Functional application Tips :

The multimedia system is not connected to Bluetooth. After the mobile phone is successfully connected, a pop-up box will prompt "Please use the mobile phone to connect to the multimedia system Bluetooth". Click "OK" or "Yes" to cancel the pop-up box display. Before Bluetooth is con-

nected, the sound played by the mobile phone interconnection application is output from the mobile phone, and the multimedia system screen is connected to Bluetooth, and then the sound is output from the multimedia system . mobile terminal. The screen display of the multimedia system is synchronized. 22 User manual Functional application Setting On the main interface to enter the system setting interface, where you can set the system, connect, display, audio. System Select the " System" tab to set the radio area, time, language, etc. In the factory reset option, you can quickly clear the previous settings If it is not necessary, please execute this option command with caution. In addition, the vehicle color and model are reflected in the factory settings . About Click the APP version three times continuously to enter the factory mode interface. 23 User manual Functional application Factory pattern Enter the password 123456, click Confirm to enter the factory pattern setting. Click the Fac-

tory pattern to enter the model selection interface, where you can set the model. Click the set vehicle colorto enter the vehicle color selection interface, where the vehicle color can be set. 24 User manual Functional application Choose vehicle model Set vehicle color 25 User manual Functional application Connect Select the "Connect" icon to make BT setting and Network setting. Connect - BT Setting BT Phone provides you with a free and safe communication space, enabling you to drive the vehi-

cle more safely. Realize the seamless connection with the multimedia system audio, and it is the wireless extension of the mobile phone function in the multimedia system. Click the "BT Music"

icon in the main interface or enter Setting-Connect- BT Setting to enter the Bluetooth setting interface:

26 User manual Functional application Bluetooth auto-connect switch: Turn on/ off the automatic connection to bluetooth function Bluetooth switch: turn on/off the bluetooth function Paired device: Paired device can view the paired Bluetooth data, click connect/disconnect to connect/disconnect Bluetooth; click the [Delete] icon to delete Paired device list. Other devices: search for Bluetooth devices, select any device name in the new device list to match and connect Click the icon : return to the main interface multimedia system and Bluetooth connection:

Using the multimedia system Bluetooth music and Bluetooth phone, you need to match the Blue-

tooth mobile phone with the multimedia system Bluetooth. When the Bluetooth mobile phone and the multimedia system Bluetooth are paired for the first time, you need to perform the follow-

ing steps:

Method 1:

1. Open your phone's settings menu. 2. Turn on the Bluetooth communication device of the mobile phone and start the Bluetooth function. 3. Search for the device , select the Bluetooth device name and pair it with the connection. Method 2:

1. Open the mobile phone settings menu, turn on the Bluetooth communication device, and activate the Bluetooth function. 2. On the Bluetooth setting interface of the multimedia system device, click Other devices to search, find the corresponding Bluetooth name of the mobile phone, and click Connect. 3. After the pairing request pops up on the mobile phone, click Allow, and the pairing will be automatically connected. Connect-Network Setting Click the "Connect" icon, click Network Setting - WiFi setting, you can turn on/off the wifi wireless network, and select the device to be connected. After the connection, if the device name shows connected, it means that the multimedia system has been connected to wifi successfully

. 27 User manual Functional application Display Select the " Display" icon, including color settings and backlight level settings, drag the progress bar left and right to adjust brightness, contrast, saturation,Bright day, Bright night etc. Audio Select the "Audio" icon, you can adjust the volume, and you can also set EQ, loudness, and reverse mute. 28 User manual Functional application Click EQ to enter theSound stage model, and enter the sound effect mode in the upper right corner, and you can set various modes such as standard, class, pop, rock, and jazz. Sound stage model Sound mode 29 User manual Product connector The schematic diagram of the line output connection of this product is as follows, which must be connected according to the regulations to ensure that the product can work normally. The connector on the rear panel of the host, as shown in the figure below:

Rear view 1. 23pin power socket sub-function definition table, as shown below:

30 User manual Product connector PIN NO. Function PIN description Remark 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 GND1 AUX-L AUX-R Brake TURN_LEFT TURN_RIGHT HIGH_BEAM Battery grounding AUX-Left AUX-Right Brake input Left turn signal input Right turn signal input High beam input DIPPED_HEADLIGHT Low beam input BATT AUX-GND Back ACC_IN CAN_H Battery input AUX-Ground Reverse input ACC input High Speed CAN BUS H POSITION_LAMP Position light input CAN_GND High Speed CAN BUS Ground FL-

FL+

FR+

FR-

CAN_L ADC_GND ADC1 ADC2 Left front speaker -

Left front speaker +

Right front speaker +

Right front speaker -

High Speed CAN BUS L Power_Ground Power detection 1 Power detection 2 31 Reserve Reserve User manual Product connector 2. Function definition table of USB signal connector , as shown in the figure below:

NO. PIN Function Description Remark 1 2 3 4 5 1 2 3 4 5 USB_VCCpower supply 5V USB_D-Data -

USB_D+Data +

USB_GNDGround Shielding_GNDShielding Ground 32 User manual Product connector 3. Radio antenna function definition table, as shown below :

NO. 1 2 PIN 1 2 Function Description Remark ANT SIGNALRadio antenna signal input ANT SHIELDRadio antenna shielding ground 4.Function definition table of camera signal line, as shown in the figure below:

NO. PIN Function Description Remark 1 2 3 4 1 2 3 4 RVC_CVBS_SIGNALReversing video signal RVC_CVBS_SIGNAL_GNDReversing video signal ground RVC_CVBS_VCCReverse Video power supply (12 V ) RVC_CVBS_GNDReverse video power supply ground 33 User manual Product connector 5. Microphone signal wire function definition table, as shown below:

PIN Function Description Remark 1 2 3 1 2 3 MIC_P: Microphone +

MIC_P: Microphone -

MIC_GND : Microphone_shield ground 34 User manual Common Troubleshooting Guide Note :

If you encounter the following problems during use, the troubleshooting guide will help you solve them quickly. If the problem is still not solved, please consult a professional or go to the sales office. Do not disassemble the machine privately to avoid serious consequences!

Issue Reason Countermeasures Can't boot The car key is not inserted into the door, and the switch is not turned on The power cord is not plugged into the multimedia system Insert the car key and turn on the switch Please plug in the power cord

/ Please check that the power connector is loose It may be that the fuse of the machine has been burned Replace the fuse with the same rated current Touch screen not responding The system is busy, please wait a moment, if there is no response for a long time, it is recommended to contact us after sales The service department assists in solving Reversing without rearview image Camera installed Please plug in the camera /

Please check the camera is Is it loose During reversing , after reversing, press the invalid The product design focuses on the original car with driving safety, preset camera priority Only after the reversing action is terminated can the operate the machine 35 User manual Repair and Maintenance Lvtong new energy multimedia system all-in-one machine is a product with excellent design and craftsmanship, and should be used with care. The following suggestions will help you fulfill your warranty obligations and extend the life of your car entertainment navigation system. 1. Please keep the Lvtong new energy multimedia system all-in-one machine and all its parts and accessories out of the reach of children. 2. Please keep dry. Rain, humidity , and various liquids or moisture may contain minerals that can corrode electronic circuits. If the machine is exposed to water or submerged in water, it will damage components and cause irreparable damage. 3. Do not use or store the machine in dusty or dirty places . Doing so will damage its removable parts. 4. Do not store the machine in an overheated place. High temperatures can shorten the life of electronics, damage batteries, and warp or melt some plastic parts . 5. Do not place the machine in a place that is too cold. Otherwise, when the temperature of the machine rises or returns to normal temperature, moisture will form inside which will damage the circuit board. 6. Do not throw, knock or shake the machine. Rough handling of the machine can damage it . 7. Do not attempt to disassemble the machine. The handling of the machine by non-professionals will damage the machine . 8. Do not use strong chemicals, cleaning agents or strong detergents to clean the machine . 9. When using or storing the machine, please keep away from electromagnetic, radioactive or magnetic field equipment. 10. Use a soft and clean cloth to wipe the screen, do not use ordinary paper to wipe the screen. 11. The LCD screen is easily damaged, please do not use sharp objects for clicking operations. 36 User manual User manual Warning Warning Thank you for purchasing Lvtong Automobile products!

Thank you for purchasing Lvtong Automobile products!

Our company continues to improve and optimize the products, please refer to the actual display Our company continues to improve and optimize the products, please refer to the actual display interface, if there is any change without prior notice. interface, if there is any change without prior notice. Please read this manual carefully, because the information in it can let you know how to safely and Please read this manual carefully, because the information in it can let you know how to safely and correctly operate the Lvtong new energy multimedia system all-in-one machine , and learn from it correctly operate the Lvtong new energy multimedia system all-in-one machine , and learn from it Get maximum driving enjoyment. Get maximum driving enjoyment. For your safety, you should lower the volume of the media before driving , so as to perceive and For your safety, you should lower the volume of the media before driving , so as to perceive and judge the surrounding driving conditions. judge the surrounding driving conditions. Please do not operate multimedia systems or watch videos while driving. Please do not operate multimedia systems or watch videos while driving. Please do not let children to operate the multimedia system to avoid personal injury or machine Please do not let children to operate the multimedia system to avoid personal injury or machine damage. damage. Please do not use it in places where the use of electronic equipment or open flames is strictly Please do not use it in places where the use of electronic equipment or open flames is strictly prohibited , such as: gas stations, wineries, areas with strong electromagnetic interference, etc., prohibited , such as: gas stations, wineries, areas with strong electromagnetic interference, etc., otherwise it may cause danger. otherwise it may cause danger. Please do not maintain or install the machine by yourself . Do not install or maintain the machine Please do not maintain or install the machine by yourself . Do not install or maintain the machine while the power is on. It is very dangerous to install and maintain the machine by non-professional while the power is on. It is very dangerous to install and maintain the machine by non-professional personnel. personnel. Do not scratch the display screen with sharp objects , and do not press the display screen vigor-

Do not scratch the display screen with sharp objects , and do not press the display screen vigor-

ously, otherwise it will cause damage to the display screen or touch screen. ously, otherwise it will cause damage to the display screen or touch screen. In order to ensure the normal operation of the machine and prevent fire or electric shock, please In order to ensure the normal operation of the machine and prevent fire or electric shock, please do not expose the machine to a humid environment, let alone put liquid spilled on the machine. do not expose the machine to a humid environment, let alone put liquid spilled on the machine. The pictures in this manual are schematic diagrams and are for reference only. Guangdong Lvtong The pictures in this manual are schematic diagrams and are for reference only. Guangdong Lvtong New Energy Electric Vehicle Technology Co., Ltd. reserves the right of final interpretation of this New Energy Electric Vehicle Technology Co., Ltd. reserves the right of final interpretation of this manual . manual . User manual Multimedia system and Description The main interface is described as follows:

7 8 9 10 11 12 13 14 15 16 17 19 18 1 2 3 20 21 4 5 6 22 23 24 25 26 27 NO. Designation Operate Illustrate 1 2 3 4 5 6 Radio Short Press Enter the radio interface BT music Short Press In the case of Bluetooth connection, click to enter Bluetooth music playback USB Short Press On USB When connected, click to enter the USB file playback Mobile link Short Press Click to enter the mobile link interface BT phone Short Press In the case of Bluetooth connection, click to enter the Bluetooth phone Settings Short Press Click to enter the setting interface 5

FCC ID: 2BFQL-Q1062LT22A Page 1 of 1 Report No.: CTL2311242081-WF FCC ID Label Information Label location:

Car multimedia infotainment system Model:Q1062LT22A FCC ID: 2BFQL-Q1062LT22A Size:20mm*15mm Note: Label material is transparent PET, glue material is self-adhesive material; 25 square transparent dragon, water glue, plus light film. Not easy to drop.

Dongguan RoadRover Intelligent Technology Co., Ltd. DateApr. 12, 2024 Product Model Number: Q1062LT22A FCC ID2BFQL-Q1062LT22A To whom it may concern, Re: Product Certification Representative Authorization Letter We authorize QAI Laboratories Ltd. 3980 North Fraser Way, Burnaby B.C. Canada V5J 5K5 to act on our behalf on all matters concerning the above named equipment. This shall include the following:

Testing Approval applications and procedures We declare that Dongguan RoadRover Intelligent Technology Co., Ltd. is allowed to forward all information related to the approval project to the applied certification body and to the notification entities and to discuss any issues concerning the approval application. Any and all acts carried out by Dongguan RoadRover Intelligent Technology Co., Ltd. on our behalf shall have the same effect as acts of our own. By:

Contact Listed on FCC Wesbite Title: Director Email:lc_lab@163.com Telephone: (+86)13823178136 On behalf of: Dongguan RoadRover Intelligent Technology Co., Ltd.

Dongguan RoadRover Intelligent Technology Co., Ltd. U.S. Agent Designation for Service of Process

(Applicant and U.S. Agent are Separate Parties

) TO:

Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 ATTENTION: FCC Certification Section 2.911(d)(7) Information Designated U.S. Agent Company Name: Baihetian Innovative Solutions FRN: 0033401605 Contact Name: Kenneth Young Street Address: 6837 Chase Rd City/Province/Zip: Dearborn, MI 48126 Telephone No: 313-395-3113 Email: ken.young@baihetiansolutions.com This letter is to confirm that we (the Designated U.S. Agent) have accepted the responsibility to act as the Designated U.S. Agent for Service of Process as required by section 47 CFR 2.911(d)(7) on behalf of the Applicant noted below. U.S. Agent Signature:

Date: Apr 12, 2024 Signed by (Printed Name/Title): Kenneth Young/Manager Dec 202 4 The Applicant acknowledges that they must maintain an agent for no less than one year after terminating all marketing and importation OR the conclusion of any Commission-related proceeding involving the equipment. The applicant further acknowledges their responsibility to inform the FCC whenever the Designated U.S. Agent information above changes. Applicant Company name:Shenzhen RoadRover Technology Co., Ltd Grantee Code:2BFQL FCC ID:2BFQL-Q1062LT22A FRN:0035251487 Contact Name:Perry Wu Street Address:No.28, Luxi 1st Road, Xixi Village, Liaobu Town City/Province/Zip:DongguanCity, Telephone No:(+86)13823178136 Email:lc_lab@163.com Guangdong Provinc e Applicant Signature:

Date:Apr. 12, 2024 Signed by (Printed Name/Title):Perry Wu/Director

Table of contents Version rejigger track record3 1. Introduction4 2. Part Number4 3. D i m e n s i o n s 4 5 4. Evaluation Board and Matching Circuits5 5. Electrical Characteristics6 6. Characteristic curve6 7. Radiation Pattern7 8. Post Dependability Tolerance 8 9. Dependability Test89 10. Reflow Soldering Standard Condition9 11. Packaging and Dimensions 10 http://www.glead.com.cn JIA XING GLEAD ELECTRONICS CO., LTD http://zydq.en.alibaba.com

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Version rejigger track record INTRODUCTION

"" LA WLANWiFiPHS

, FM SMD

"GLEAD" Microwave Multi-Layer Ceramic Antenna LA series are designed to be used in WLANWiFiBluetoothPHS Multiple-band Mobile phone antenna, FM, etc and compact size SMD chip design. http://www.glead.com.cn JIA XING GLEAD ELECTRONICS CO., LTD http://zydq.en.alibaba.com

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Part Number LA 52 H 2450/5500- A28 A28/Proudct Name: A28

/ Antenna Frequency: 2450 MHz/5500MHz H / Via Design Series

/Size5.02.01.0

/Multi-layer Antenna DimensionsUnitmm Symbol L W T a b c Dimensions 5.000.20 PCB via hole 2.00.20 1.00.2 0.80.1 2.00.2 Clearance area 0.60.2 http://www.glead.com.cn JIA XING GLEAD ELECTRONICS CO., LTD http://zydq.en.alibaba.com Unit: mm

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Antenna Photo & Length Unitmm Antenna Type Ceramic Antenna http://www.glead.com.cn JIA XING GLEAD ELECTRONICS CO., LTD http://zydq.en.alibaba.com 1.02 2.25 0.30 0.61 0.91 Land pad 1.22 0.81 1.6 4.56 1.86 2.95 50 ohms feeding line T type matching circuit The width of the ground wire may vary in actual use Evaluation Board and Matching Circuits http://www.glead.com.cn JIA XING GLEAD ELECTRONICS CO., LTD http://zydq.en.alibaba.com

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Electrical Characteristics No. 5.1 5.2 5.3 5. 4 5.5 5.6 5.7 Item Specifications Frequency Range 2400 ~ 2500 MHz / 5150 ~ 5850 MHz

()After Matching 2450 MHz/5500MHz Band Width 100MHz (typ.) / 1000 MHz (typ.) Peak Gain Return Loss Polarization 1.5dBi / 7.21dBi

-13 dB (max.) / -27 dB (max.) Linear Azimuth Beam width Omni-directional Impedance 50 Characteristic curve http://www.glead.com.cn JIA XING GLEAD ELECTRONICS CO., LTD http://zydq.en.alibaba.com

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7. Radiation Pattern & Efficiency 2.4GHz:

Frequency (MHz) 2400 Peak Gain (dBi) Avg. Gain (dBi) Efficiency (%)

-1.2

-4.3 35 2450 1.4

-2.5 56 2500 1.5

-3.1 50 http://www.glead.com.cn JIA XING GLEAD ELECTRONICS CO., LTD http://zydq.en.alibaba.com

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5GHz:

Frequency (MHz) 5180 Peak Gain (dBi) Avg. Gain (dBi) Efficiency (%) 7.21

-2.0 85 5500 6.92

-2.1 87 5820 6.00

-3.0 73 http://www.glead.com.cn JIA XING GLEAD ELECTRONICS CO., LTD http://zydq.en.alibaba.com

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8 Post Dependability Tolerance No. 8.1 8.2 8.3 8.4 Item Central Frequency Band Width Gain V.S.W.R (in BW) Post Dependability Tolerance

( Refer to the table ) Post Dependability Tolerance

() 5 MHz 5 MHz 0.1 dBi 0.1 9 Dependability Test Temperature range Relative Humidity range Operating Temperature range Storage Temperature range 9.1 Vibration Resist 255 55~75%RH

-40~+85

-40~+85 10~55Hz 1.5mm X.Y.Z 2 8.1~8.4 The device should satisfy the electrical characteristics specified in paragraph 8.1~8.4 after applied to the vibration of 10 to 55Hz with amplitude of 1.5mm for 2 hours each in X , Y and Z directions. 9.2 Drop Shock 100cm XYZ 3 8.1~8.4 The device should satisfy the electrical characteristics specified in paragraph 8.1~8.4 after dropping onto the hard wooden board from the height of 100cm for 3 times each facet of the 3 dimensions of the device. 9.3 Solder Heat Proof 120~150 120 255+10 50.5 300-10 30.5 The device should be satisfied after preheating at 120 ~150 for 120 seconds and dipping in 255+10 for 50.5 secondsor electric iron 300-10 for 30.5 seconds soldering Sn at without damnify. 9.4 Adhesive Strength of Termination 5N(0603)10N(>0603)101 The device have no remarkable damage or removal of the termination after horizontal force of 5N(0603)10N(>0603)with 101 seconds. http://www.glead.com.cn JIA XING GLEAD ELECTRONICS CO., LTD http://zydq.en.alibaba.com

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9.5 Bending Resist Test 1.60.2mm PCB 1mm/S1.5mm 51S Weld the product to the center part of the PCB with the thickness 1.6 0.2mm as the illustration shows, and keep exerting force arrow-ward on it at speed of :1mm/S , and hold for 5 1S at the position of 1.5mm bending distance , so far , any peeling off of the product metal coating should not be detected . 9.6 Moisture Proof 602 90~95% 96 1~2 8.1~8.4 The device should satisfy the electrical characteristics specified in paragraph 8.1~8.4 after exposed to the temperature 602and the relative humidity 90~95% RH for 96 hours and 1~2 hours recovery time under normal condition. 9.7 High Temperature Endurance 855 962 1~2 8.1~8.4 The device should satisfy the electrical characteristics specified in paragraph 8.1~8.4 after exposed to temperature 855for 962 hours and 1~2 hours recovery time under normal temperature. 9.8 Low Temperature Endurance

-405 962 1~2 8.1~8.4 The device should also satisfy the electrical characteristics specified in paragraph 8.1~8.4 after exposed to the temperature -405 for 962 hours and to 2 hours recovery time under normal temperature. 9.9 Temperature Cycle Test

-40 30 +85 30 5 1~2 8.1~8.4 The device should also satisfy the electrical characteristics specified in paragraph 8.1~8.4 after exposed to the low temperature -40 and high temperature +85 for 302 min each by 5 cycles and 1 to 2 hours recovery time under normal temperature. 10 Reflow Soldering Standard Condition http://www.glead.com.cn JIA XING GLEAD ELECTRONICS CO., LTD http://zydq.en.alibaba.com

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11 (5020) 11.1 Plastic Tape Packaging and Dimensions Remarks for Package 150200mm 250300mm 250mm Reserve a length of 150~200mm for the trailer of the carrier and 250~300 mm for the leader of the carrier and further 250mm of cover tape at the leading part of the carrier. 11.2 Reel3000 pcs/Reel 11.3 Storage Period

. Product should be used within twelve months of receipt. 1 / :

MSL 1 / Storage Temperature Range : <30 degree C, Humidity : <85%RH http://www.glead.com.cn JIA XING GLEAD ELECTRONICS CO., LTD http://zydq.en.alibaba.com

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Dongguan RoadRover Intelligent Technology Co., Ltd. Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: April 12, 2024 FCC ID: 2BFQL-Q1062LT22A Ref. #1: Attestation Statements Part 2.911(d)(5)(i) Filing Dongguan RoadRover Intelligent Technology Co., Ltd. certifies that the equipment for which authorization is sought is not covered equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Ref. #2: Attestation Statements Part 2.911(d)(5)(ii) Filing Dongguan RoadRover Intelligent Technology Co., Ltd. certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing covered equipment. Applicant: Dongguan RoadRover Intelligent Technology Co., Ltd. Address: No.28, Luxi 1st Road, Xixi Village,Liaobu Town, Dongguan City,Guangdong Province,P.R.China Contact Person: Perry Wu Tel.: (+86)13823178136 Email:lc_lab@163.com Sincerely, Signature:

Dongguan RoadRover Intelligent Technology Co., Ltd. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Subject; Request for Confidentiality FCC ID: 2BFQL-Q1062LT22A Date: April 12, 2024 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. Schematic Diagram Block Diagram Parts List Operational Description Tune-up Procedure Software Security Requirements for UNII devices In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR 2.803 and the importation rules in Title 47 CFR 2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s);

External Photos Test Setup Photos Internal Photos User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuant to KDB 726920 D01. 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, Signature:

Name: Perry Wu Title: Director