Section 913
FILSER TRT 800 Transponder
Page Date: 15. December 2005 913 - 7
Pilot´s Operating Handbook
EXTRA 300L
The Aircraft Identification (FID) code is displayed on the right bottom line and consists of seven
alphanumerical characters.
N O T E
The ICAO Flight Plan specifies only 7 characters as Flight Identification. Filser reserves
8 characters as stated in ED- 73B for further expansion of the flight plan. The user shall
only program 7 characters for FID.
SELECTING FLIGHT IDENTIFICATION
By pressing the button FID for more than 3 seconds, the unit will change into the Flight
Identification input menu. This FID code is a changeable alphanumerical flight number.
The right lower knob is used to set the cursor position (flashing ^) and with the left lower knob the
figures A..Z, blank, and 0..9 can be selected. To enter the code, press the MODE button or the
FID button again. The FID code is stored in the external aircraft connector.
a. Factory setting for the FID is 'ZZZZZZZ'
b. The authorized service station should program a default FID that can be the tail-
number of the aircraft.
c. The pilot has to change the FID manually if necessary.
913.1.3 ERROR REPORTING / FAULT CODES
The transponder’s reception, transmission, altitude and power supply are monitored periodically.
This self-testing routine is permanently active in the background. If any error occurs due to an
internal malfunction or from an external disturbance at the antenna, the transponder changes to
the Standby Mode and „Error“ is displayed on the lowest line. Additionally the result of the internal
analysis are displayed in the second line.
LIST OF POSSIBLE ERRORS:
1. 'ANT' will appear if the antenna is defective (e.g. broken cable).
2. 'FLerr' instead of the altitude appears on the display, if there is an error with the
altimeter or if the aircraft is outside the altitude range(FL-010 to FL350). If the mode
ACS was active before, it will change to mode A-S automatically.
3. 'DC' for a faulty transmitter power supply
4. 'FPG' for internal communication errors,
5. 'TRX' will appear for transmitter error. In this case, the unit will change to 'STBY' and will
stop all transmission.
Page Date: 20. January 2016
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