Section 912
FILSER TRT 600 Transponder
Page Date: 15. December 2005
912 - 5
Pilot´s Operating Handbook
EXTRA 300L
In-Flight Flag
When there is an undercarriage switch installed, the display can toggle between the letters
'F'
whether the aircraft is in flight condition or the letter
'G'
whether the aircraft is in „on-ground“
condition. The flag is displayed on the right bottom side of the display.
Battery Flag
If the power supply to the transponder drops below 10 Volts, the flag
'BAT'
appears and starts
flashing.
912.1.2
SYSTEM OPERATION
The transponder should be turned off before starting and shutting down aircraft engines.
ON /OFF
After having switched on the
AVIONIC MASTER
switch the TRT 600 has to be turned on by hand
by pressing the
ON OFF
button for less then 1 second. The display will first show the transponder
type and the software and firmware version. To turn off the unit the button
ON/OFF
must be
pressed for more then two seconds or the
AVIONIC MASTER
switch must be placed to the
OFF
-
position. ACS is the default operation mode and the transponder replies to Mode A,C and S
interrogations. The pressure altitude will be displayed as Flight Level.
SQUAWK SELECTION
Squawk selection is done with the four rotating knobs to provide 4096 identification codes. The
assignments of the knobs, starting at top left, are:
X…
selection of thousands (0-7)
.X...
selection of hundreds (0-7)
..X.
selection of ten (0-7)
…X
selection of one (0-7)
The code is entered in the lower line and remains inactive. By pushing the
UP AND DOWN
ARROWS
button the squawk code is transferred to the upper line and becomes active. The code
in the upper line is always the active one.
IMPORTANT CODES:
1200 The VFR code for any altitude in the US (Refer to ICAO standards elsewhere)
7000 The VFR code commonly used in Europe (Refer to ICAO standards)
0021 The VFR code commonly used in Germany (default is set to 0021 at time of
installation)
7500 Hijack code (Aircraft is subject to unlawful interference)
7600 Loss of communications
7700 Emergency
Summary of Contents for 300L
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