TT31 Transponder Installation Manual
8 May 2017
00455-00
Issue AQ
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Page 22
Trig Avionics Limited
external GROUND inputs. Exercise these inputs to confirm the correct behaviour.
6.2.2
Altitude Check
The Altitude check displays the current state of the altitude inputs. Individual Gray code lines are
shown to assist in fault tracing.
6.2.3
Lighting Bus
The lighting bus check displays the voltage on the lighting bus to assist in verifying the correct
operation of the lighting bus.
6.2.4
Temperature
The internal temperature of the transponder can be displayed. The display is in degrees Celsius.
6.2.5
RS232 Input Check
The RS232 interface check provides a diagnostic that the RS232 input lines are configured correctly. It
will display on screen the data each RS232 line is set up to receive. If valid data of the correct type is
being received, the decoded data will be shown on the display.
6.2.6
Transponder Cycles
The transponder cycle counter represents the total running time for the transponder, and is used by
maintenance staff to track faults.
Содержание TT31
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