FCC ID: 2ATN6-MTP100 Aircraft data link land test transmitter

THE DATA LINK COMPANY MTP - MULTI TEST PLATFORM HARDWARE EQUIPMENT USER GUIDE This document and its contents are confidential and must not be disclosed to other parties without written authority from Airtel ATN Ltd. Airtel ATN 2019 Doc. ID: Airtel-MTP-USG-001 Version: 1.9 - 09.09.2019 TABLE OF CONTENTS 1. 1.1 2. 3. 3.1 General ................................................................................................................................................. 6 Brief Specifications .......................................................................................................................... 6 Component Identification ............................................................................................................7 System Description ........................................................................................................................10 General ................................................................................................................................................10 3.2 System Schematic ............................................................................................................................ 11 3.3 Technical Specifications................................................................................................................. 11 3.4 Laptop ................................................................................................................................................. 15 3.5 Mini-VDR ............................................................................................................................................. 15 3.6 Switch and Indicator Panel .......................................................................................................... 16 3.7 Input / Output Panel ...................................................................................................................... 18 3.8 MTP Lid Assembly .......................................................................................................................... 19 4. 4.1 Operation ........................................................................................................................................... 21 Initial Operation ............................................................................................................................... 21 4.2 Normal Operation ........................................................................................................................... 21 4.3 Shutting Down ................................................................................................................................. 22 4.4 Battery Charging ............................................................................................................................ 22 4.5 Maintenance ..................................................................................................................................... 23 5. 5.1 Removal / Installation of LAPTOP ......................................................................................... 24 Removal ............................................................................................................................................. 24 5.2 Installation ......................................................................................................................................... 24 6. 6.1 Removal / Installation of Batteries ........................................................................................ 25 Laptop (with removable batteries) Battery Removal / Installation ............................ 25 6.2 MTP System Battery Removal / Installation ........................................................................ 25 6.3 MTP Batteries General Handling & Care ............................................................................ 25 7. 7.1 Removal / Installation of Trolley Wheels Attachment .................................................. 26 Removal ............................................................................................................................................. 26 7.2 Installation ......................................................................................................................................... 26 8. 9. 9.1 Troubleshooting Guide ............................................................................................................... 27 Packing / Unpacking and Transportation ........................................................................... 28 Unpacking - Checklist ................................................................................................................... 28 APPENDIX A: Compliance ....................................................................................................................... 29 A.1 MTP-100 ............................................................................................................................................. 29 APPENDIX B: Glossary of terms............................................................................................................30 INDEX ............................................................................................................................................................... 31 LIST OF TABLES Table 1: Equipment Specifications ...................................................................................................... 6 Table 2: Component Identification .......................................................................................................7 Table 3: Model Parameters ..................................................................................................................... 11 Table 4: Transmit Specifications .......................................................................................................... 12 Table 5: Carrier Output Power ............................................................................................................. 12 Table 6: Receive Specifications ........................................................................................................... 12 Table 7: Audio / GPS Specifications .................................................................................................. 12 Table 8: Antenna Specifications .......................................................................................................... 13 Table 9: General Specifications ............................................................................................................ 13 Table 10: Portability Specifications ......................................................................................................14 Table 11: Optional Extras .........................................................................................................................14 Table 12: Replacement Parts ..................................................................................................................14 Table 13: Troubleshooting Guide.......................................................................................................... 27 Table 14: Main Accessories Checklist ................................................................................................. 28 Table 15: Lid Accessories Checklist ..................................................................................................... 28 LIST OF FIGURES Figure 1: General Assembly ......................................................................................................................8 Figure 2: Top Panel View (without laptop) .........................................................................................8 Figure 3: Exposed View ............................................................................................................................. 9 Figure 4: MTP Lid ......................................................................................................................................... 9 Figure 5: Schematic Diagram .................................................................................................................. 11 Figure 6: Mini-VDR ...................................................................................................................................... 15 Figure 7: Switch and Indicator Panel ................................................................................................... 16 Figure 8: Input/Output Panel ................................................................................................................. 18 Figure 9: MTP Lid ........................................................................................................................................ 19 1. GENERAL This manual provides an overview of the MTP hardware. It is intended to be used in conjunction with the software applications HELP or User Guide. This document describes the physical attributes and user considerations of the MTP, Multi Test Platform. The MTP is used as a platform for applications such as PVDL (Aircraft or Ground Station), MRO and VDB depending on the customer options. Detailed operation of those software applications are described in their respective User Manuals. 1.1 BRIEF SPECIFICATIONS Item Computer Mini-VDR Details Dell, Latitude E74xx or equivalent Airtel Mini-VDR PN PVDL-3101 Pelican Equipment Case Peli 1500 Weight Size 11.88 kg / 26.20 lbs excluding accessories 470 x 375 x 180 mm / 18.5 x 14.5 x 7 in Table 1: Equipment Specifications 6 2. COMPONENT IDENTIFICATION Component identifiers are used throughout this manual to provide positive identification of all major components including accessories. The major components of the test set are identified with one or two-digit number per Table 2 below:

Item Description 1. 2. 3. 5. 7. 9. Battery 1 Battery 2 Top panel latch Input / Output panel Switch & Indicator Panel GPS Tray 10. Stylus holder 11. Manual holder 12. MTP Antenna mount 13. Antenna stowage Item Description 23. Fuse 24. 25. 26. 30. 31. 32. 33. 34. 35. Stowage space Support strut Locking pin Laptop mounting post Headphone Socket SYSTEM/VDR POWER Switch CHAN Busy VDR Operate SYSTEM POWER Indicator 14. BNC terminator and stowage 36. MASTER POWER Switch 15. Co-ax BNC holder 16. Antenna Bonding Strap 17. 18. Case Laptop 19. Antenna (mounted) 20. LAPTOP Mounting Tray 21. Mini-VDR 22. Battery Bays / Battery Tabs Table 2: Component Identification 37. Antenna Bonding Strap Attachment Point 38. MTP 50 Co-axial feed-thru Connector 39. GPS USB type A Connection Point 40. Audio Speaker 41. 42. 43. 44. Spare USB type A Connection Point External DC Charging Point Laptop USB type B Connection Point USB type A USB type B connector

(not shown) 7 19 18 17 7 31 35 34 33 32 36 Figure 1: General Assembly 43 42 41 5 38 39 37 40 2 1 3 30 Figure 2: Top Panel View

(without laptop) 8 25 26 23 24 20 21 22 Figure 3: Exposed View 11 10 9 16 15 12 13 14 Figure 4: MTP Lid 9 3. SYSTEM DESCRIPTION 3.1 GENERAL The Multi Test Platform (MTP) combines the Mini-VDR, LAPTOP, batteries and power supplies, to provide a fully portable testing and monitoring station. It is designed to support multiple independent software applications. MTP is built into a rugged and environmentally sealed carry case. The case is also fitted with a removable set of trolley wheels and handle for convenience. All major components are situated within the chassis below the hinged LAPTOP mounting tray

(item 20). The LAPTOP mounting tray is locked and released using the latches on either side (item 3) The MTP system utilizes two battery sources:

a. the LAPTOPs integral Li-Ion battery pack housed within the laptop. b. the separate system Li-Ion batteries (items 1 and 2) housed within the chassis. The two battery sources are charged separately in-situ using their respective AC Adapter chargers. The system batteries are easily removed by raising the hinged mounting tray to expose the battery bays (item 22) and pulling on the battery tabs. The Laptop (item 18) provides the user interface, data storage, programmed functionality and system documentation. The system electronics, including the Mini-VDR, are powered by the MTP system battery. Power distribution within the unit is controlled via the power switches on the MTP Switch and Indicator Panel. (item 7) A passive USB hub allows the LAPTOP to connect to 3 USB devices the Mini-VDR, the GPS18X receiver, and an externally connected device such as a USB memory stick via the connector (item 41) on Input/Output panel (item 5). The MTP internal USB hub is USB 2.0 compliant and supports Low Power USB devices. An internal Audio Amplifier and LED Module drives the MTP mini-speaker (item 40), the external headphones and the MTP status indicators located on the Switch and Indicator Panel. Refer section 3.6. The MTP is supplied with a Garmin GPS18X GPS receiver as standard. The GPS is only required for selected software applications. Its use is described in the relevant software application user guides. A storage space (item 24) located below the hinged LAPTOP mounting tray provides storage for the GPS receiver, AC adaptors and power leads and other items at the users discretion. 10 3.2 SYSTEM SCHEMATIC The following diagram (Figure 5) gives an overview of the MTP system schematic. 108-137MHz MTP Antenna Mount, BNC (F) Antenna Coupler MTP Feed-thru Connector, BNC (F) RF Attenuator GPS SPARE SYST PWR On/Off Green Operate Green Busy Red LED /

Audio Module Mini VDR R E G PWR Supply System AC Adapter USB Hub B A T T Laptop AC Adapter Figure 5: Schematic Diagram 3.3 TECHNICAL SPECIFICATIONS There are 3 basic models of the MTP configured principally to meet the requirements of particular regulatory and user environments. The key differences between the models are summarised in Table 3:

Antenna System1 Feed Power Antenna System1 Feed (dBm) MTP-100 50W

-13dBm MTP-200 50mW

+17dBm MTP-300 50nW

-43dBm Approximate Transmit Range

> 200 meters

> 500 meters

~ 10 meters Min. Receivable Input Level2

-68dBm

-98dBm

-38dBm Table 3: Model Parameters Note 1: Measured at MTP Co-axial Feed-Thru Connector Note 2: For an uncorrected BER better than 10-3 General Specifications covering all 3 models are:

11 TRANSMIT:

Frequency Range 108.000 to 117.950 (VDB application) 118.000 to 136.975 (VHF Data Link) Channel Spacing 25 kHz Modulation AM-MSK (ACARS) D8PSK (VDL2, VDB). Transmit Duty Cycle 100%. Frequency Stability

+/- 2ppm. Emissions & RF Mask Meets DO-224A and ED-92A. Table 4: Transmit Specifications Unmodulated Carrier Output Power measured at the MTP Co-axial Feed-Thru Connector, located on the top panel:

Model Type Maximum Power Output, dBm Maximum Power Output, Watts MTP-100

-13dBm 50W MTP-200

+17dBm 50mW MTP-300

-43dBm 50nW Note 1: Unmodulated Carrier Output Power at the MTP Co-axial Feed-Thru Connector, defaults to the maximum value, the power level is configurable in 1dBm steps under software control for specific applications; Refer to Application User Guides for details. Table 5: Carrier Output Power RECEIVE:

Frequency Range 108.000 to 136.975MHz (depending on software application) Channel Spacing Model Type Input Signal Range:

Sensitivity:

Resolution:

25 kHz MTP-100 MTP-200 MTP-300

-68 to +20dBm

-98 to +10dBm

-38 to +20dBm Uncorrected BER better than 10-3 over the input signal range measured at the MTP Co-axial Feed-Thru Connector. 1dB over the input signal range measured at the MTP Co-axial Feed-Thru Connector. Application dependent. Burnout Protection: No permanent damage with input signal of less than +20dBm Table 6: Receive Specifications Audio GPS Mini speaker and 300 Ohm PJ-055 headset socket. GPS18x USB is supplied for integral or remote mount. Table 7: Audio/GPS Specifications 12 ANTENNA:

VHF telescopic detachable. Antenna length adjustable 6.5 to 23.5 inches

(165 to 600 mm) Users have the option of supplying their own 50 Ohm VHF antenna to connect to the Co-axial Feed-Thru Connector. Table 8: Antenna Specifications GENERAL:

Environmental Temperature Range Computer - laptop Power Sources IP67

-10C to 50C (operating) 0C to 45C (during battery charge) DELL Latitude 74xx or equivalent Operates from batteries and/or external power sources. Provides uninterrupted operation when connecting or disconnecting external power. External Power Sources AC Adapters for laptop and system batteries. System Battery Dual 3.1AH 14.4V Li Ion Battery. System Operation from Full Charge 8 hours Laptop Operation from Full Charge Approx 8 hours System Battery charge indicator. Yes Connectivity Expansion Dimensions Peli 1500 case Weight Table 9: General Specifications System USB hub offers an expandable USB 2.0 port. 18.5 x 14 x 7 inches; 470 x 355 x 180 mm,

(excluding pull handle and wheels) 18.5 x 14.5 x 9 inches; 470 x 370 x 230 mm,

(including pull handle and wheels) Colours Orange (standard, see Options below) 33 pounds (15 kg), including accessories, pull handle and wheels 13 PORTABILITY Portability. Airline Transportation. Detachable pull handle and trolley wheels on the Peli 1500 case. Peli 1500 case meets airline carry-on dimensions. Laptop easily removed from unit. Laptop and System Li Ion batteries easily removed and stored within the Peli 1500 case when required for transportation. Pull Handle and Trolley Wheels easily removed from unit. Accessory Storage Internal accessory storage space for adapters, leads, batteries etc Table 10: Portability Specifications OPTIONS Description Extended Warranty including Calibration Manufacturer Manufacturer Part #

Airtel ATN Automobile 24VDC source with adapter lead. Sordan Case Color Options: Yellow, Black, Silver, Desert Tan Airtel ATN Table 11: Optional Extras USER ORDERABLE REPLACEMENT PARTS Description USB Type A to USB Type B Double Angled (6 inches) 50 Ohm Telescopic Antenna, Swivel base, BNC Plug BNC termination plug, 1%, 50 Ohm, 0.5W Touchscreen Stylus Manufacturer Manufacturer Part #

USBFIREWIRE RR-AR4BR1-12G Tenma 72-6601 Telegartner J01006A1268 Targus AMM165EU GPS18X with short USB cable Airtel ATN AIRTEL-ATN-106-01 Detachable Pull Handle and Trolley Wheels System Fuse

(FUSE, QUICK BLOW, 2.5A) System AC Adapter - 24V, 2.5A, 60W System European AC Power Cord System North American AC Power Cord System Batteries Table 12: Replacement Parts Airtel ATN AIRTEL-ATN-107-01 BUSSMANN BY EATON BK/S500-2.5-R Accutronics Accutronics Accutronics 599020 551007 551006 Accutronics ND2054HD31 14 3.4 LAPTOP The DELL Latitude laptop with an integral Li-Ion battery provides approximately 8 hours operation in the MTP platform (depending on power-save settings). The MTP laptop is delivered with Microsoft Windows or Linux operating system depending on software applications loaded. Power Management settings have been optimised for normal MTP usage. In addition, the MTP is delivered with several DELL features disabled to prevent inadvertent loading of auto updates which may introduce incompatible operating system characteristics. It is important that the laptop processor is never allowed to suspend or hibernate during operation of the MTP software applications as this will interfere with the systems use of the USB input/output and control functions. 3.5 MINI-VDR The Mini-VDRTM (item 21) gives the MTP its VHF/RF communications capability. It is a compact, portable, low power realisation of an Arinc 750 VDR designed specifically for test and diagnostic applications. The Mini-VDR is controlled across a USB LAPTOP interface using the ADS-ASIP protocol a modified version of Arinc 750 ASIP which provides information and control functions with user/keyboard access. The 12V DC voltage for the Mini-VDR is controlled by the SYSTEM/VDR Power switch (Item 32). The Mini-VDR is secured under the hinged LAPTOP mounting tray (item 20) and is not normally accessible to the user. Figure 6: Mini-VDR 15 3.6 SWITCH AND INDICATOR PANEL The Switch and Indicator Panel shown in Figure 7 provides control and status display. 1. MASTER POWER switch (item 36) Function: This switch acts as an isolation switch. When turned off (O), the internal battery and external charger power sources are completely disconnected from the system electronics. When turned on (I), the MTP system power supply is energised and ready to provide power to operate the system. 35 33 31 34 32 36 Figure 7: Switch and Indicator Panel 2. SYSTEM/VDR POWER switch (item 32) Function: Allows the system power supply to apply power to the MTP system components. A 2.5 ampere fast blow fuse (item 23) protects the output of the system power supply. 3. SYSTEM ON Indicator - Green (item 35) Function: Indicates that the system power supply is providing power to the MTP system components. 16 4. VDR OPERATE Indicator - Green (item 34) Function: Indicates that the internal Mini-VDR is operational

(powered and software functional). 5. VDR CHAN BUSY Indicator - Red (item 33) Function: Indicates that the RF Channel is busy due to existing RF signals on channel or that the MTP is currently transmitting. Note 1: When the MTP transmits, the CHAN BUSY will come ON and the VDR OPERATE indicator will turn OFF. HEADPHONE Connector (300 ) (item 31) Provides an audio signal generated from received data signals to assist with awareness of system activity. The same audio signals are delivered to the mini-speaker located on the Input / Output Panel. 17 3.7 INPUT / OUTPUT PANEL 37 39 38 40 43 42 41 Figure 8: Input/Output Panel The MTP Input / Output Panel contains the following:

1. System Charge Input (item 42) - use only the AC Adapter accessory provided 2. Laptop USB type B connection (item 43) provides interface between the Laptop and the internal USB hub 3. Spare USB type A connection (item 41) provides a convenient means of connection an external USB device to the Laptop e.g. USB memory stick, printer etc. The MTP internal USB hub is USB 2.0 compliant and supports Low Power USB devices. 4. GPS USB type A connection (item 39) used to connect the GPS receiver when in use. 5. Ground plane bonding strap connection (item 37) provides a ground reference attachment for the enclosed antenna ground plane. 6. RF coaxial feed-thru connector (item 38) provides a means of connecting the enclosed Mini-VDR to the lid-enclosed antenna module. 7. Mini-Speaker (item 40) provides an audio signal generated from received data signals to assist with awareness of system activity. The same audio signals are available via the MTP headphone output installed on the Switch and Indicator Panel. CAUTION: Be careful when raising the hinged Laptop Mounting Tray that any connectors plugged into the Input/Output Panel are not damaged or cause interference. 18 3.8 MTP LID ASSEMBLY The MTP Lid Assembly accommodates several functional and operational elements:

1. ANTENNA RECEPTACLE / MATCHING MODULE AND GROUND PLANE The BNC connector on the MTP Antenna Mount (item 12) is the connection point for the MTP telescopic antenna. The lid of the MTP Peli-case also conceals an integral ground plane and antenna matching module which are designed to optimise the efficiency of the MTP as a stable transmit and receive platform and with minimal loading effects from nearby objects. 11 10 9 12 13 14 16 15 Figure 9: MTP Lid 2. GPS MOUNTING TRAY (ITEM 9) The GPS Mounting Tray is designed for the supplied GPS18X receiver. It is released by pulling it away from the concealed magnetic latch to rest in a horizontal position. 3. MANUAL HOLDER (ITEM 11) The Manual Holder is a convenient place to stow the User Guide. 4. COAXIAL CABLE STOWAGE (ITEM 15) The press-fit cavity provides a place to stow the antenna co-axial lead when it is not connected on the Input / Output panel. 19 5. RF BONDING STRAP (ITEM 16) The RF Bonding Strap connection provides a ground reference attachment for the enclosed antenna ground plane. 6. 50 OHM TERMINATOR STORAGE (ITEM 14) Provides a storage place for the 50 terminator. The terminator may replace the antenna when in the vicinity of strong RF signals to further attenuate the RF signal levels. 7. STYLUS STORAGE CLIPS (ITEM 10) A touch-screen stylus is included for the convenience of users. 8. ANTENNA STORAGE CLIPS (ITEM 13) The antenna is stored here when closing the MTP lid. 20 4. OPERATION PRECAUTIONS 1. It is highly recommended to locate the MTP a safe distance away from any live transmitting source such as an aircraft or data link ground station to avoid signal overload of the Mini-VDR. Input levels greater than +20dBm may damage front-end receiver circuits. a. MTP-100 minimum distance is 10 Meters or Yards b. MTP-200 minimum distance is 6 Meters or Yards c. MTP-300 minimum distance is 3 Meters or Yards 2. When received signal levels are unavoidably high, replace the detachable telescopic antenna with the 50 terminator stub supplied (stored at item 14) to significantly reduce signal levels. 3. Any direct co-axial connection between the MTP and a unit under test must be done in consultation with the manufacturer to ensure adequate RF signal attenuation is placed ahead of the MTP.

* Unless careful attention is paid to attenuation, damage will occur. *

4.1 INITIAL OPERATION 1. Unpack the batteries from the MTP stowage space and install in accordance with the instructions in section 6. 2. Check state of charge of the MTP battery (or batteries) by observing their inbuilt LCD Charge indicators. 3. Turn ON the Laptop and check its batterys charge state. 4. If necessary, charge the batteries prior to use as described in section 6. 4.2 NORMAL OPERATION Note 1: The system may be operated from its internal batteries or while system or laptop batteries are being charged. 1. Open the case and ensure the laptop USB cable is securely plugged into the USB receptacle (item 43) 2. Remove the telescopic antenna from its stowage clips and install it to the MTP Antenna Mount (item 12). 3. Withdraw the antenna cable/BNC connector from its holder (item 15) and connect it to the MTP Co-axial Feed-thru receptacle (item 38) on the MTP Input/Output panel. 4. Extend the antenna to its full length. 21 5. Turn the LAPTOP ON and allow it to boot normally. 6. Turn the MTP system ON by switching the MASTER POWER switch to ON;

then switch the SYSTEM/VDR POWER switch to ON. 7. Observe that the green SYSTEM ON indicator (item 35) illuminates. 8. Observe that both the red VDR Chan Busy (item 33) and green VDR Operate

(item 34) indicators illuminate temporarily before stabilising with the VDR Operate indicator on steadily and the VDR Chan Busy indicator flickering occasionally in the presence of signal or noise. Note 1: The MTP VHF receiver adjusts to the background level of RF noise for any given test environment. This will be noticed at initial power on or whenever the antenna is adjusted or plugged in or out. In some instances, initial adjustment may take approximately 30 seconds or so. During this adjustment period, the Chan Busy indicator will be ON and noise will be heard in the loudspeaker/headphone. Note 2: Speaker/headphone volume adjustment is only available through the software application running on the LAPTOP. 9. Launch the installed software application, ensure your software application has established USB connectivity with the radio (refer to your software user guide for details) and Load/Re-load radio as necessary. 4.3 SHUTTING DOWN 1. Shut down the software application and the laptop normally. 2. Turn the SYSTEM/VDR POWER and MASTER POWER switches OFF. 3. Disconnect the telescopic antenna and return it to its stowage location. 4. The antenna co-axial cable and LAPTOP USB cable may stay connected when the lid is closed. It is not necessary to disconnect them. However, it is essential to take care not to crimp the co-axial cable during lid closure. 4.4 BATTERY CHARGING 1. The Laptop may be charged without removing it from the MTP assembly by simply connecting the DELL AC Adaptor supplied as an accessory. 2. The internal MTP battery/batteries are charged by connecting the ADAPTER TECH AC Adaptor to the DC Charge Input (item 42) on the MTP Input/Output Panel. The MASTER POWER switch (item 36) must be switched ON. The SYSTEM/

VDR POWER switch (item 32) can be either switched ON or OFF. The battery state of charge is displayed by the LCD indicator on each individual battery. When a battery is charging, the LCD indicator flashes. A battery is fully charged when all 5 bars are on and steady. 22 Note 1: Battery manufacturer recommends battery charge only in an ambient temperature range of 0 45 deg C. 4.5 MAINTENANCE It is recommended that the MTP should be returned to the manufacturer for a maintenance check (or re-calibration) every five years. This will involve a check and adjustment of tuned circuits required to ensure that performance is in accordance with manufacturer specifications. In the case of critical applications where the MTP is used to monitor and record RF signal levels to a degree of accuracy it is recommended that a maintenance check is conducted every two years. 23 5. REMOVAL / INSTALLATION OF LAPTOP The LAPTOP can be removed from the MTP assembly for independent use or battery removal. Removal and re-installation is achieved as follows:

5.1 REMOVAL 1. Disconnect the USB connector. 2. Unlatch the hinged LAPTOP mounting tray and raise it to its open position. 3. Slide the LAPTOP forward until its fixed attachment panel disengages from the retaining posts (Item 30) on the mounting tray. 4. Lift the LAPTOP away from the mounting tray. Note 1: The LAPTOP mounting tray has two open positions. The extended (wider) open position is obtained by pulling on the locking pin located on the tray support strut. The tray may be lowered again by pulling on the pin to release the lock. 5.2 INSTALLATION 1. Raise the LAPTOP mounting tray to its open position. 2. Hold the LAPTOP over the mounting trays retaining posts so that the posts align immediately below the cut outs in the LAPTOP fixed attachment panel. 3. Lower the LAPTOP onto its attachment panel and slide it backwards so that the retaining posts lock the LAPTOP securely in position. 4. Re-connect the USB connector. 24 6. REMOVAL / INSTALLATION OF BATTERIES 6.1 LAPTOP (WITH REMOVABLE BATTERIES) BATTERY REMOVAL / INSTALLATION 1. To un-install the laptop battery, it is necessary to remove the LAPTOP as described in section 5.1 2. Once the laptop is removed, its battery release slider lock is found on the underside of the laptop. 3. To install the battery, slide the battery into position and press inwards to engage the laptops battery locking mechanism. 6.2 MTP SYSTEM BATTERY REMOVAL / INSTALLATION 1. The system batteries are easily removed by raising the hinged mounting tray to its fully extended position (Refer section 5.1) to expose the battery bays (Item 22) and pulling on the battery tabs. 2. Installation of the batteries is the reverse of paragraph 1 above. Either battery can be installed into either slot. 3. When installing each operating battery, locate the guide arrangement on the side of the battery and drop the battery into its slot. 4. Ensure the battery is fully pushed down onto its receptacle and that the pull tabs are pushed back out of the way so as not to conceal the LCD charge indicators. 6.3 MTP BATTERIES GENERAL HANDLING & CARE 1. Each of the batteries used in the MTP assembly has a capacity of less than 100Wh. This means that for shipping purposes they do not have to be declared as Dangerous Goods. However, they must still be handled and disposed of appropriately in order to be compliant with the various regulations. 2. The international IATA regulations and requirements governing shipping (flight and other modes) must be met. This requires that batteries must be disconnected

(removed) and stowed safely e.g. in the stowage space (item 24). 3. Local and national disposal regulations must be observed. 4. Temperature Considerations:

Storage Temp Charge Temp Range Not to exceed 60C (140F) 0 45C (32 - 113F) 5. Batteries being stored for several months should be charged to approximately 50% capacity. 6. Batteries should be transported in a state of approximately 50% charge. 7. Battery life is approximately 2 to 3 years. A battery reaching end of life will exhibit loss of operating time or increase in charging time. 25 7. REMOVAL / INSTALLATION OF TROLLEY WHEELS ATTACHMENT The trolley wheels are provided as a basic part of the MTP assembly but may be removed if not required. 7.1 REMOVAL 1. Lay the MTP case upside down to view the Trolley Wheel assembly. 2. Loosen all 4 captive thumbscrews and withdraw the entire Trolley Wheel assembly. 7.2 INSTALLATION 1. Lay the MTP case flat for easy access. 2. Present the Trolley Wheel mounting plate to the case and align the thumbscrews with the embedded attachment blocks. The captive thumbscrews are floating to account for any dimensional tolerances. 3. Gently insert one of the screws into its attachment block and make several turns but do not completely tighten - allowing for subsequent minor positional alignment. 4. Repeat with each of the other 3 thumbscrews. 5. When all 4 thumbscrews have taken up several threads, tighten all screws to secure assembly. 26 8. TROUBLESHOOTING GUIDE The following guide may help to isolate the cause of some problems. Symptom Laptop will not turn ON 1 Suggestion Plug in to external mains power using DELL AC Adaptor and try again after 10 minutes. 2 System will not Ensure MASTER POWER and SYSTEM/VDR POWER turn ON switches are ON. Check fuse Check battery state of charge Check that AC adaptor can charge MTP internal batteries 3 Speaker makes Disconnect antenna to see if received RF signals are source of the noise Plug headphones into headphone socket to see if noise is still present Re-check after 30-45 seconds to see if receiver AGC has eliminated noisy pickup Disconnect antenna to see if continuous received RF signals or noise are saturating the channel Using your software application, tune the radio to different frequencies to see if noise is channel dependent. Faulty unit. Requires repair. continuous crackling noise when system is turned ON 4 RED LED on continuously 5 RED / GRN LEDs do not illuminate when SYSTEM/VDR POWER switch is turned on 6 SYSTEM ON Faulty unit. Requires repair. illuminates but other LEDs do not. 7 No sound in speaker Check that headphones are unplugged Check that RF data is still being received Check that antenna and antenna lead are correctly plugged in Check that software application volume level is turned up If problem persists faulty unit. Requires repair. 8 No sound in headphones Check that headphones are OK Faulty unit. Requires repair. 9 Laptop / software will not talk to Mini-VDR 10 Radio activity can be heard but no data being received 11 Unable to receive even though close to aircraft Check LAPTOP USB connecting lead Re-check after 30-45 seconds to allow time for USB drivers to load. Reload radio Alternatively, consult software application User Guide for further advice. Strong signal may be overloading receiver input Remove antenna and plug in 50 terminator stub Move further away from aircraft. Table 13: Troubleshooting Guide 27 9. PACKING / UNPACKING AND TRANSPORTATION IMPORTANT SAFETY NOTE To comply with transport safety regulations, both the laptop if it has a removable battery and MTP system batteries should be un-installed prior to shipping or carriage on aircraft. Refer to section 6. Once removed, the batteries can be safely stowed in the MTP lower storage space using standard bubble wrap or similar, to provide padding. 9.1 UNPACKING - CHECKLIST When unpacking the delivered MTP carton, check that, in addition to the main MTP assembly, the following items are present in the accessories box:

Item Present Y/N DELL Laptop Li-Ion Removable Rechargeable battery AC Adaptor for Laptop with both EU and USA mains leads MTP Li-Ion System Batteries (Inspired Energy) Qty 2 ADAPTER TECH AC Adaptor for MTP with both EU and USA mains leads Garmin GPS18X GPS Receiver 24VDC Auto lead Set Cigarette Lighter Connector

(Supplied as an option only) Table 14: Main Accessories Checklist Verify that the following items are installed in the main MTP lid:

Item Present Y/N 50 BNC Terminator Telescopic Antenna Touchscreen Stylus Table 15: Lid Accessories Checklist Verify that the USB cable is connecting the Laptop to the USB type B connector

(item 43) on the Input/Output panel. 28 APPENDIX A: COMPLIANCE A.1 MTP-100 The MTP-100 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. Changes or modifications made to the equipment not expressly approved by the party responsible for compliance could void the users authority to operate the equipment. Note 1: To comply with RF safety requirements a distance of at least 20 cm between the antenna and personnel shall be maintained and fully supported by the operating and installation configurations of the transmitter and its antenna(s). Note 2: To comply with the limits for a Class B device, pursuant to part 15 of the FCC Rules, the user is restricted to operate the MTP-100 only on the following frequencies:

131.450 to 131.825 MHz 136.850 MHz 136.900 to 136.975 MHz 29 APPENDIX B: GLOSSARY OF TERMS The following terms appear in this document -

Acronym Meaning Context MRO MTP Maintenance & Repair Organisation Data Link Test Software Application Multi Test Platform Hardware Platform PVDL Portable VDL VDB VHF Data Broadcast VDL2 Test Software Application GNSS GBAS/LAAS Test Software Application VDR VHF Data Radio Aviation Data Communications 30 INDEX 50 Ohm Terminator ....................................... 20 Manual Holder ...................................................19 Antenna ............................................................. 20 Master Power Switch ......................................16 Antenna Mount .................................................19 Mini-VDR ..............................................................15 Audio ................................................................... 10 MTP-100, 200, 300 ...........................................11 Battery.................................................................25 Operation ............................................................21 Battery Charge .................................................22 Packing / Unpacking .....................................28 Calibration..........................................................23 Retaining Posts ................................................24 Chan Busy indicator .......................................22 RF Bonding Strap........................................... 20 Circuit Diagram ..................................................11 RF coaxial feed .................................................18 Coaxial Cable Stowage ..................................19 Schematic ............................................................11 Components Identification ............................ 7 Spare USB type A connection ....................18 FCC .......................................................................29 Speaker ................................................................18 GPS ....................................................................... 10 Speaker Volume ...............................................22 GPS Mounting Tray ..........................................19 Specifications ..................................................... 6 GPS USB type A connection .......................18 Stylus .................................................................. 20 Ground plane .....................................................18 Switch and Indicator Panel ...........................16 HEADPHONE Connector ...............................17 System Charge Input ......................................18 Headphone Volume ........................................22 SYSTEM ON Indicator .....................................16 Input / Output Panel .......................................18 SYSTEM/VDR POWER ON/OFF Switch ..16 Laptop ..................................................................15 Trolley Wheels ..................................................26 Laptop USB type B connection ..................18 Troubleshooting ...............................................27 LED ....................................................................... 10 VDR CHAN BUSY Indicator ..........................17 Lid Assembly .....................................................19 VDR OPERATE Indicator ...............................17 31 THE DATA LINK COMPANY EMAIL: support@airtel-atn.com Airtel ATN 2019 Doc. ID: Airtel-MTP-USG-001 Version: 1.9 - 09.09.2019

Internal photographs Transmitter PCB Front with shielding Shielding removed Transmitter PCB Back SN: A040 FCC ID: 2ATN6-MTP100 Rogers Labs, Inc. 4405 West 259th Terrace Louisburg, KS 66053 Phone/Fax: (913) 837-3214 Test to: 47CFR Parts 2, 87 Revision 1 Airtel ATN Model: MTP-100 (Multi Test Platform) Test: 190709 File: MTP100 IntPho Date: September 5, 2019 Page 1 of 1

Equipment photographs Rogers Labs, Inc. 4405 West 259th Terrace Louisburg, KS 66053 Phone/Fax: (913) 837-3214 Test to: 47CFR Parts 2, 87 Revision 1 Airtel ATN Model: MTP-100 (Multi Test Platform) Test: 190709 File: MTP100 ExtPho Date: September 16, 2019 Page 1 of 4 SN: A040 FCC ID: 2ATN6-MTP100 Rogers Labs, Inc. 4405 West 259th Terrace Louisburg, KS 66053 Phone/Fax: (913) 837-3214 Test to: 47CFR Parts 2, 87 Revision 1 Airtel ATN Model: MTP-100 (Multi Test Platform) Test: 190709 File: MTP100 ExtPho Date: September 16, 2019 Page 2 of 4 SN: A040 FCC ID: 2ATN6-MTP100 SN: A040 FCC ID: 2ATN6-MTP100 Rogers Labs, Inc. 4405 West 259th Terrace Louisburg, KS 66053 Phone/Fax: (913) 837-3214 Test to: 47CFR Parts 2, 87 Revision 1 Airtel ATN Model: MTP-100 (Multi Test Platform) Test: 190709 File: MTP100 ExtPho Date: September 16, 2019 Page 3 of 4 Rogers Labs, Inc. 4405 West 259th Terrace Louisburg, KS 66053 Phone/Fax: (913) 837-3214 Test to: 47CFR Parts 2, 87 Revision 1 Airtel ATN Model: MTP-100 (Multi Test Platform) Test: 190709 File: MTP100 ExtPho Date: September 16, 2019 Page 4 of 4 SN: A040 FCC ID: 2ATN6-MTP100

Label Sample and Placement Label Label Placement Rogers Labs, Inc. 4405 West 259th Terrace Louisburg, KS 66053 Phone/Fax: (913) 837-3214 Revision 1 Airtel ATN Model: MTP-100 (Multi Test Platform) Test: 190709 Test to: 47CFR Parts 2, 87 File: MTP100 LabelSmpl SN: A040 FCC ID: 2ATN6-MTP100 Date: September 5, 2019 Page 1 of 2 SN: A040 FCC ID: 2ATN6-MTP100 Date: September 5, 2019 Page 2 of 2 Rogers Labs, Inc. 4405 West 259th Terrace Louisburg, KS 66053 Phone/Fax: (913) 837-3214 Revision 1 Airtel ATN Model: MTP-100 (Multi Test Platform) Test: 190709 Test to: 47CFR Parts 2, 87 File: MTP100 LabelSmpl

Airtel ATN Inc, 3 Bethesda Metro Center Suite 700, Bethesda, MD 20814-6300, United States info@airtel-atn.com August 30th 2019 Federal Communications Commission 445 12th Street, SW Washington, DC 20554 To Whom It May Concern:

Pursuant to 47CFR 2.911, Airtel ATN has authorized Mr. Scot Rogers, of Rogers Labs, Inc. to act on Airtel ATNs behalf for the sole and express purpose of processing applications for equipment authorization. As such, Mr. Rogers is authorized to sign forms, letters of application, request confidentiality, and exchange data and information relating to these matters and submittals. Rogers Labs, Inc. is authorized to receive and exchange data between our company and the authorizing agency. All acts carried out by Rogers Labs, Inc. on our behalf shall have the same effects as our own. For instances where our authorized agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for certification, as specified by regulation still resides with Airtel ATN. This Authorization is in effect until notified to the contrary by Airtel ATN. Antonio Correas Consultant Airtel ATN

ROGERS LABS, INC. 4405 West 259th Terrace Louisburg, KS 66053 September 5, 2019 Timco Engineering Inc. 849 NW State Road 45 Newberry, FL 32669 Applicant:

Airtel ATN 3 Bethesda Metro Center Suite 700 Bethesda, MD 20814 Re: Confidentiality for submittal information regarding FCC ID: 2ATN6-MTP100 Product: Transmitter operating under parts 2 and 87 Dear Sirs:

Airtel ATN requests that the material in the Block Diagram, Operational Description, Parts List, Schematics, and Tune Up Procedure be withheld from public disclosure pursuant to Sections 0.457 and 0.459 of the Commissions Rules following grant of the application. In support of this request, Airtel ATN submits the following information. CONFIDENTIAL FILES Block Diagram Operational Description Parts List Schematics Tune Procedure MTP100 Conf BlkDia.pdf MTP100 Conf OpDes.pdf MTP100 Conf PartsList.pdf MTP100 Conf Schem.pdf MTP100 Conf TunePro.pdf 1. Identification of the specific information for which confidential treatment is sought:

The materials set forth in the Block Diagram, Operational Description, Parts List, Schematics, and Tune Up Procedure, which are segregated, from the non-confidential exhibits of the application, are those for which confidentiality is sought. 2. Identification of the Commission proceeding in which the information was submitted or a description of the circumstances giving rise to the submission:

The proceeding is that involving the application for equipment authorization (certification) under FCC ID: 2ATN6-MTP100 3. Explanation of the degree to which the information is commercial or financial, or contains a trade secret or is privileged:

This material includes a detailed theory of operation, circuit diagrams, and schematic. As such, this material is treated as highly confidential business information. 4. Explanation of the degree to which the information concerns a service that is subject to competition:

The material for which confidentiality is sought is employed in the design and manufacture of this transmitting equipment that is offered on a highly competitive basis. Customers for this equipment have a variety of competing sources. 5. Explanation of how disclosure of the information could result in substantial competitive harm:

Disclosure would, in effect, give away the fruits of the labors of Airtel ATN engineering personnel, who have designed the equipment and the manufacturing process. Disclosure would also offer competitors additional unwarranted insight into the state of the product development, thereby allowing competitors an advantage, not available to Airtel ATN. 6. Identification of any measures taken by the submitting party to prevent unauthorized disclosure:

The information for which confidential treatment is sought is kept confidential by Airtel ATN and not made available to third parties except pursuant to non-disclosure agreements. 7. Identification of whether the information is available to the public and the extent of any previous disclosure of the information to third parties:

To the knowledge of those preparing this application, the information has not been disclosed publicly heretofore. While the general theory of operation of this equipment has been the subject of numerous disclosures in industry and standards groups as well as in rule making proceedings of the FCC, the protection sought is narrowly drawn and pertains to certain specific implementations of this radio technology. 8. Justification of the period during which the submitting party asserts that the material should not be available for public disclosure:

This material should not be disclosed for at least 25 years. While improvements in design are made relatively frequently, disclosure of the design information would lead to insights into both design and manufacturing techniques that could have an adverse competitive effect for many years to come. This equipment is designed for commercial, industrial, and governmental applications. As such, unlike most consumer equipment, this equipment could be used for more than a decade in some cases. As such, it is important that the design not be made available to unauthorized persons who might attempt to use knowledge of the design to compromise the applications for which the equipment will be employed. Should you require any further information, please contact the undersigned. Thank you for your consideration in this matter. Sincerely, Scot Rogers

800 Independence Ave., S. W. Washington, D. C. 20591 C U.S. Department of Transportation Federal Aviation Administration Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Dear Mr. Cory Cahill:

The Federal Aviation Administration, Spectrum Engineering Services Group received the Airtel ATN MTP- 100 notification letter of its filing with the Federal Communications Commission (FCC). The application is for certification of the MTP-100 with FCC ID:

2ATN6-MTP 100. We have completed the review process of the information submitted by Airtel ATN and concluded that we have no objection to the FCC granting certification for this equipment. If you require any additional information, please contact Mr. Jae Shin, Electronics Engineer, Spectrum Planning and International Group, at (202) 267-7365 or via e-mail j ae.w.shinfaa.gov. Sincerely, antonio.correas@airtel-atn.com File:

Airtel ATN Inc, 3 Bethesda Metro Ctr Ste 700, Bethesda, MD 20814-6300, United States info@airtel-atn.com August 30th 2019 3 Bethesda Metro Ctr, Ste 700 Bethesda MD 20814-6300 United States Federal Communications Commission Equipment Approval Services P.O. Box 35815 Pittsburgh, PA 15251-3315 Applicant: Airtel ATN Equipment: MTP-100 Re: Compliance Attestation To whom it may concern FCC ID: 2ATN6-MTP100 The undersigned does hereby attest that Airtel ATN will continue to apply processes and procedures to ensure compliance with 47CFR paragraph 2 regarding products regulated under Supplier's Declaration of Conformity. Including compliance as directed for Unintentional Radiator Equipment procedures for digital equipment and peripherals as applicable. Sincerely Antonio Correas Consultant Airtel ATN

ROGERS LABS, INC. 4405 West 259th Terrace Louisburg, KS 66053 Telephone / Facsimile (913) 837-3214 September 5, 2019 Timco Engineering Inc. 849 NW State Road 45 Newberry, FL 32669 Applicant:

Federal Communications Commission Equipment Approval Services Pittsburgh, PA 15251-3315 Airtel ATN 3 Bethesda Metro Center Suite 700 Bethesda, MD 20814 Equipment:

FCC Rules:

Sirs FCC ID: 2ATN6-MTP100 Part 2 and 1587 The form 731 and application have been electronically submitted and attachments up loaded to your site for use in processing for grant of certification. Confidentiality is requested as outlined below. Permanent Airtel ATN requests that the material in the Block Diagram, Operational Description, Parts List, Schematics, and Tune Up Procedure be withheld from public disclosure pursuant to Sections 0.457 and 0.459 of the Commissions Rules following grant of the application. A statement of confidentiality will be attached with the application at the time of submittal. Block Diagram Operational Description Parts List Schematics Tune Procedure MTP100 Conf BlkDia.pdf MTP100 Conf OpDes.pdf MTP100 Conf PartsList.pdf MTP100 Conf Schem.pdf MTP100 Conf TunePro.pdf Should you require any further information, please contact the undersigned. Thank you for your consideration in this matter. Sincerely, Scot Rogers Rogers Labs, Inc. Enclosures