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WIRING DETAILS FOR TY91/92 HARNESS
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Thu Dec 9 07:07:01 2021
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The Trig TY91/92 is a split unit comprising of a control head that sits in the panel, and a main body that is mounted elsewhere.  All wiring should be measured from where the main body will be mounted allowing sufficient length for routing around the airframe and securing the wires into place.
CONTROL HEAD: cm TY91 body to control head.
(* IF FITTED)    CONTROL HEAD 2: cm TY91 body to second control head.
POWER: cm TY91 body to circuit breaker/fuse.
GROUND: cm TY91 body to ground block.
PILOT HEADPHONE: cm TY91 body to pilot headphone socket.
PILOT MICROPHONE: cm TY91 body to pilot microphone socket.
COPILOT HEADPHONE: cm TY91 body to copilot headphone socket.
COPILOT MICROPHONE: cm TY91 body to copilot microphone socket.
PILOT PTT: cm TY91 body to pilot PTT switch.
COPILOT PTT: cm TY91 body to copilot PTT switch.
INTERCOM SWITCH: cm TY91 body to intercom on/off switch.
RS-232: cm TY91 head to serial device. (GPS/EFIS)
AUXILIARY AUDIO: cm TY91 body to audio (iPad/stall warn/..).
SPEAKER: cm TY91 body to cabin speaker.
REMOTE FREQUENCY STEP: cm TY91 head to remote step switch
REMOTE FREQUENCY TRANSFER: cm TY91 head to remote flip switch
TRANSMIT INTERLOCK: cm TY91 body to interlock device
ANTENNA CABLE: cm TY91 body to antenna (TNC-BNC)
ANY OTHER NOTES: