Garmin 320A Installation Manual - Page 3

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1. B4 Gtx 320/320A Interconnect Wiring Diagram

PARAGRAPH

GENERAL DESCRIPTION .................................................................................................................1

1.1 INTRODUCTION.................................................................................................................................1

1.2 EQUIPMENT DESCRIPTION .............................................................................................................1

1.3 TECHNICAL SPECIFICATIONS........................................................................................................1

1.3.1 Transponder Specifications .......................................................................................................1

1.3.2 Physical Characteristics-GTX 320 ............................................................................................2

1.3.3 Physical Characteristics-GTX 320A..........................................................................................2

1.4 EQUIPMENT AVAILABLE ................................................................................................................2

1.4.1 Configurations Available...........................................................................................................2

1.4.2 Installation Accessories .............................................................................................................3

1.5 ADDITIONAL EQUIPMENT REQUIRED .........................................................................................3

1.6 INSTALLATION APPROVAL............................................................................................................3

1.7 ATC TRANSPONDER TESTS AND INSPECTIONS ........................................................................4

1.8 LIMITED WARRANTY ......................................................................................................................4

INSTALLATION..................................................................................................................................5

2.1 INTRODUCTION.................................................................................................................................5

2.2 UNPACKING AND INSPECTING EQUIPMENT..............................................................................5

2.3 ANTENNA INSTALLATION..............................................................................................................5

2.3.1 Location Considerations ............................................................................................................5

2.3.2 Antenna Installation...................................................................................................................5

2.3.3 Installation Approval Considerations for Pressurized Aircraft .................................................6

2.3.4 Antenna Cable Installation ........................................................................................................7

2.3.5 Antenna Cable Connectors ........................................................................................................7

2.4 GTX 320/320A INSTALLATION........................................................................................................9

2.5 ELECTRICAL CONNECTIONS .......................................................................................................10

2.6 CHECK EXISTING COAX AND ANTENNA..................................................................................12

2.7 INSTALLATION USING EXISTING NARCO AT 150 INSTALLATION RACK .........................12

2.8 INSTALLATION USING EXISTING BENDIX/KING 76A/78A INSTALLATION RACK...........13

POST INSTALLATION CONFIGURATION & CHECKOUT PROCEDURE ................................14

3.1 AIRCRAFT STATION LICENSING REQUIREMENTS .................................................................14

3.2 OPERATION ......................................................................................................................................14

3.2.1 Function Selection Switches....................................................................................................15

3.2.2 Code Selection .........................................................................................................................15

3.2.3 IDENT Button..........................................................................................................................16

3.2.4 Reply Light ..............................................................................................................................16

GTX 320/320A Installation Manual

190-00133-01

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