190-01879-11
GMA 245/245R Installation Manual
Rev. 6
Page iii
PARAGRAPH
PAGE
1.1 Introduction...................................................................................................................... 1-1
1.2 Equipment Description .................................................................................................... 1-1
1.3 Technical Specifications .................................................................................................. 1-2
1.4 Reference Documents ...................................................................................................... 1-6
2.1 Introduction...................................................................................................................... 2-1
2.2 Installation Materials ....................................................................................................... 2-1
2.3 Available Accessories...................................................................................................... 2-1
2.4 Installation Considerations .............................................................................................. 2-4
2.5 GMA 245R Status LED................................................................................................... 2-4
2.6 GMA 245R Installation Guidance for Best Bluetooth Performance ............................... 2-4
2.7 Cabling and Wiring.......................................................................................................... 2-5
2.8 Cooling Air ...................................................................................................................... 2-5
2.9 Configuration, and Adjustment Options.......................................................................... 2-6
2.10 Updating Software ....................................................................................................... 2-11
2.11 Noise ............................................................................................................................ 2-12
2.12 Mounting Requirements .............................................................................................. 2-13
3.1 Unpacking Unit................................................................................................................ 3-1
3.2 Electrical Connections ..................................................................................................... 3-1
3.3 Jackscrew and Shield Block Backshell Installation Instructions..................................... 3-2
3.4 Backshell Assembly....................................................................................................... 3-17
3.5 Audio Shield Termination ............................................................................................. 3-17
3.6 Unit Installation ............................................................................................................. 3-18
3.7 Post Installation Checkout ............................................................................................. 3-19
3.8 Continued Airworthiness ............................................................................................... 3-21
3.9 Diagnostics Information ................................................................................................ 3-21
3.10 Disabling Bluetooth ..................................................................................................... 3-22
4.1 Connector Description ..................................................................................................... 4-1
4.2 Pin List............................................................................................................................. 4-1
4.3 Aircraft Power.................................................................................................................. 4-4
4.4 CAN Bus.......................................................................................................................... 4-4
4.5 Lighting Bus .................................................................................................................... 4-5
4.6 Audio Inputs/Outputs and Mic Keys ............................................................................... 4-6
4.7 Discrete Inputs ............................................................................................................... 4-10