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FIGURE
Section 1 General Description ...........................................................................1-1
Section 2 Installation Overview .........................................................................2-1
Figure 2-1 GMA 245R Bluetooth Transceiver Location...................................................... 2-4
Figure 2-2 SD Card Slot and DIP Switch Locations ............................................................ 2-7
Figure 2-3 Front Panel Configuration................................................................................... 2-9
Figure 2-4 GMA 245 Unit Rack (115-00262-00)............................................................... 2-13
Figure 2-5 GMA 245R w/Mounting Brackets on Front and Back ..................................... 2-14
Figure 2-6 GMA 245R w/Mounting Brackets on Sides ..................................................... 2-14
Section 3 Installation Procedure........................................................................3-1
Figure 3-1 GMA 245R Jackscrew Backshell Assembly ...................................................... 3-4
Figure 3-2 GMA 245 Shield Block Backshell Assembly..................................................... 3-5
Figure 3-3 Method A.1 for Shield Termination................................................................... 3-6
Figure 3-4 Insulation/Contact Clearance ............................................................................. 3-8
Figure 3-5 Method A.2 (Daisy Chain) for Shield Termination ......................................... 3-10
Figure 3-6 Method B.1 (Quick Term) for Shield Termination.......................................... 3-12
Figure 3-7 Method B.2 (Daisy Chain-Quick Term) for Shield Termination...................... 3-13
Figure 3-8 Daisy Chain between Methods A and B .......................................................... 3-14
Figure 3-9 Jackscrew D-Sub Spliced Signal Wire illustration ........................................... 3-15
Figure 3-10 Shield Block D-Sub Spliced Signal Wire illustration ..................................... 3-16
Figure 3-11 Rear View of Rack and Connectors ................................................................ 3-17
Figure 3-12 GMA 245 Audio Shield Termination (top and bottom) ................................. 3-17
Figure 3-13 GMA 245R Audio Shield Termination (top and bottom)............................... 3-18
Figure 3-14 Diagnostics Mode ........................................................................................... 3-21
Section 4 System Interconnects .........................................................................4-1
Figure 4-1 Rear View of Backplate and Connectors ............................................................ 4-1
Figure 4-2 Rear Connectors J2401 & J2402, Viewed from Back of Unit............................ 4-1
Section A Installation Considerations for Upgrading from a Garmin
GMA 240 ............................................................................................A-1
Figure A-1 GMA 240 to GMA 245 Retrofit Connections................................................... A-2
Appendix B Outline and Installation Drawings .............................................B-1
Figure B-1 GMA 245 Outline Drawing................................................................................B-1
Figure B-2 GMA 245 Installation Drawing..........................................................................B-2
Figure B-3 GMA 245R Outline Drawing, End Mount Bracket Installation .......................B-3
Figure B-4 GMA 245/245R Outline Drawing, Side Mount Bracket Installation.................B-4
190-01879-11
Rev. 6
LIST OF FIGURES
GMA 245/245R Installation Manual
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