trig TY91 - Advanced Functions and Configuration; Memory Location Stepping; Built-in Intercom Functionality; Stuck Mic Safety and Config Mode

TY91/TY92 VHF Radio Installation Manual 24 November 2014
00839-00 Issue AF
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iv Trig Avionics Limited
6.2.6 Radio Squelch Offset ..............................................................39
6.2.7 Frequency Step Size ...............................................................39
6.2.8 Display Brightness .................................................................39
6.2.9 Microphone Sensitivity Adjustment ........................................39
7. POST INSTALLATION CHECKS ....................................................41
8. NORMAL OPERATION ....................................................................42
8.1 OVERVIEW ......................................................................................42
8.2 DISPLAY ..........................................................................................42
8.3 ON/OFF VOLUME KNOB ..................................................................42
8.4 TUNING KNOBS ...............................................................................43
8.5 FLIP-FLOP BUTTON ..........................................................................43
8.6 MON BUTTON ................................................................................43
8.7 MEM BUTTON ................................................................................43
8.8 DUAL CONTROL OPERATION ...........................................................44
8.9 DUAL CONTROL INDIVIDUAL FUNCTIONS........................................44
8.10 GENERAL LOW TEMPERATURE OPERATION ....................................45
8.11 WARNING MESSAGES......................................................................45
8.12 FAULT ANNUNCIATION ...................................................................45
9. CONTINUED AIRWORTHINESS ....................................................47
9.1 CLEANING THE TC90 CONTROLLER ................................................47
10. LIMITED WARRANTY .................................................................48
11. ENVIRONMENTAL QUALIFICATION FORMS ......................49
12. INSTALLATION DRAWINGS ......................................................55