TT31 Transponder Installation Manual 1 February 2010
00455-00 Issue AJ
______________________
displayed as dashes, and the transponder will NOT be transmitting ADS-B position information.
8.9 Altitude Monitor
The Altitude Monitor activates an audio annunciator or annunciator light (depending on installation)
when the aircraft pressure altitude differs from the selected altitude by more than 200 feet. Press the
FUNC button to display the altitude monitor enable screen. Pressing ENT toggles the altitude monitor
at the current altitude.
When altitude monitoring is in use, a small deviation pointer appears adjacent to the altitude display on
the transponder.
8.10 Fault Annunciation
If the transponder detects an internal failure, the screen will indicate FAULT and a brief statement of
the problem. No replies will be made to interrogations when a fault is detected.
8.11 Low Temperature Operation
The TT31 is certified for correct operation at temperatures down to -20 Celsius. At low temperatures
however the display performance will be impaired. The aircraft cockpit should be warmed to allow
normal operation of the transponder before takeoff.
Trig Avionics Limited Page 25
To Next Page
Loading...
