User's Manual

TY91/TY92 VHF Radio Installation Manual 11 April 2012
00839-00 Issue AA
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Trig Avionics Limited 31
6. Installation Setup and Test
6.1 Initial Power On
The TC90 will display a splash screen when the radio is first switched on. The
splash screen show the software versions currently loaded and what model of
radio is connected.
6.2 Configuration Items
There are a small number of installation parameters that can be adjusted.
These parameters are accessed by turning on the radio and then pressing and
holding the MON button for approximately 2 seconds. The individual setup
items can then be selected using the large tuning knob, and adjusted using the
small tuning knob. Pressing MON again will exit from the setup mode.
The script will prompt for the following configuration items:
 Intercom Volume
 Intercom Squelch
 Auxiliary Input Volume
 Auxiliary Input Muting
 Sidetone Volume
 Receiver Squelch Offset
 Frequency Step Size
6.2.1 Intercom Volume
This setting controls the volume of the intercom.