Garrecht Avionik GmbH
VT-01 Transponder
User manual
Dokument 01.0200.10E
Revision: 1.3
13
13.02.07
3.4. Selecting the reply code
Use the double shaft rotary encoder to select or modify the standby reply code of
your transponder.
Select the position to be modified by rotating
the outer knob. The selected position will be
indicated by a blinking cursor
Use the inner knob to set the required value.
If all positions of the standby reply codes
contain the required values, press the inner
knob of the rotary encoder to activate the modified code.
It will replace the code shown in the position of the active reply code.
Sample:
Mode-A reply code needs to be changed. Use the outer knob of the double shaft
encoder to select the position of the code to be modified. An underlined cursor is
indicating the selected position. Use the inner knob to modify the value at the
selected position. When all changes are done, press the inner button to activate the
modified standby code.
FL045 >0021
R ALT 0022
Active reply code
Standby-
reply code
inner
knob
outer
knob