12
GTN 725/750 Cockpit Reference Guide (CRG)
190-01007-04 Rev. C
Transponder
Touch to enter fl ight
ID
Touch to arm the
anonymous key.
Transponder Page (GDL 88 Installations with Mode C Transponder)
Standby
Touch to place transponder in Standby mode. It is still
powered, but will not transmit information. STBY displays in
the squawk code fi eld.
Ground
Touch to place transponder in Ground mode. Mode S
interrogations will be allowed. GND displays in the squawk
code fi eld.
On
Touch to turn transponder On for Mode A operation. Will
transmit the squawk code when interrogated. ON displays in
the squawk code fi eld.
Altitude
Reporting
Touch for Mode C operation. The transponder will be on and
will transmit its squawk code and altitude when interrogated.
ALT displays in the squawk code fi eld.
VFR
Touch to set the squawk code to 1200.
Anonymous
Touch to arm anonymous mode.
Flight ID
This fi eld is active in GDL 88 installations that have
transponders.
NOTE:
More detailed descriptions of the transponder panels for
all installations can be found in the GTN 725/750 Pilot’s Guide,
P/N 190-01007-03.
Summary of Contents for GTN 725
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