Garmin GTN XI Series Manual page 60

IDENT
Reply active
IDENT function active
No change to
transponder code
IDENT with New Squawk Code
Reply active
Transponder code
modified
Reply active
IDENT function active
Transponder in operation
Altitude Reporting
Standby
Tap to initiate the IDENT function (code unmodified)
Tap to accept modified code and initiate IDENT function
Standby Mode
Standby mode
Current squawk code
(inactive)
Altitude Reporting Mode
Altitude reporting mode
Reply active
Identify function active
VFR squawk code
(active)