TRIG TT21 / TT22 Supplement GRT Avionics
TT22-14
Revision A
4.2 Change Squawk Code
The HXr defaults to the U.S. VFR squawk code of 1200. To change it:
1. Activate Transponder Control Panel as described in 4.1.
2. Press Upper Knob once to activate the squawk code digit softkey labels along the bottom of
the screen and the small Code Entry window next to the knob.
3. Enter new squawk code using the softkeys. The digits appear inside the small Code Entry
window next to the Upper Knob as you enter them. Then:
a. To activate the new code, press ENTER softkey or Upper Knob.
b. To restart code entry after an error, press the Right Knob to CLEAR.
c. To cancel code entry, press CANCEL softkey.
4. To quickly change from a discreet squawk code to back to VFR, press the 1200 softkey when
the Transponder controls are active.
4.3 IDENT Function
1. Activate Transponder Control Panel as described in 4.1 if it is not already active.
2. Press IDENT softkey on the Horizontal control panel.
