trig TY91 - Radio Tuning and Core Functions; Tuning Knobs and Channel Spacing; Frequency Swap and Monitor Features; Remote Frequency Database Usage

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TY91/TY92 VHF Radio Installation Manual 24 November 2014

00839-00 Issue AF

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ii Trig Avionics Limited

4.6 REQUIRED ITEMS ............................................................................17

5. INSTALLATION .................................................................................19

5.1 UNPACKING AND INSPECTING EQUIPMENT ......................................19

5.2 TC90 CONTROLLER MOUNTING ......................................................19

5.2.1 Dual TC90 Considerations ....................................................20

5.3 VHF RADIO MAIN UNIT MOUNTING ...............................................20

5.4 COOLING REQUIREMENTS ...............................................................21

5.5 TY91/TY92 VHF RADIO ELECTRICAL CONNECTIONS ....................21

5.5.1 TY91/TY92 Interface – Pinout ................................................21

5.6 TY91/TY92 VHF RADIO INTERFACE DETAILS ...............................23

5.6.1 Speaker Output .......................................................................23

5.6.2 TMAP Bus ..............................................................................23

5.6.3 Headphone Output .................................................................23

5.6.4 Controller Power ...................................................................23

5.6.5 Power On ...............................................................................24

5.6.6 PTT1/2 Key Input ...................................................................24

5.6.7 Intercom Key Input .................................................................24

5.6.8 Transmit Interlock ..................................................................24

5.6.9 Auxiliary Audio Input .............................................................25

5.6.10 Microphone Input ...................................................................25

5.6.11 Power Input ............................................................................26

5.6.12 Ground Returns ......................................................................26

5.7 TC90 CONTROLLER ELECTRICAL CONNECTIONS ............................26

5.7.1 TC90 Interface - Pinout .........................................................26

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