Garmin G3X Pilot’s Guide
190-01115-00 Rev. K
127
CNS Interface
System
Overview
Flight
Instruments
EIS
CNS
Interface
GPS
Navigation
Flight
Planning
Hazar
d
Avoidance
Additional
Featur
es
AFCS
Annun/Alerts
Appendix
Index
TRANSPONDER MODE SELECTION
The transponder mode will automatically switch between GND Mode and ALT Mode.
The mode can also be manually set using the softkeys.
Selecting a transponder mode:
1)
From the full-screen PFD and/or the split-screen PFD Page, press the
XPDR
Softkey.
2)
Press the
MODE
Softkey.
3)
Press the desired mode softkey (
STBY
/
GND
,
ON
, or
ALT
). Pressing and
holding the
STBY
Softkey activates Ground (GND) Mode and the
STBY
Softkey becomes the
GND
Softkey.
GROUND MODE
Ground Mode is normally selected automatically when the aircraft is on the ground.
The transponder powers up in the last mode it was in when shut down. To manually
select Ground Mode, press and hold the
STBY
Softkey. A green GND indication and
transponder code appear in the mode field of the Transponder Data Box and the
STBY
Softkey becomes the
GND
Softkey. In Ground Mode, the transponder does not allow
Mode A and Mode C replies, but it does permit acquisition squitter and replies to
discretely addressed Mode S interrogations.
Deselect (press) the
GND
Softkey to return to Standby Mode.
STANDBY MODE (MANUAL)
Standby Mode can be selected at any time by pressing the
STBY
Softkey. In Standby,
the transponder does not reply to interrogations, but new codes can be entered. When
Standby Mode is selected, a white STBY indication and transponder code appear in the
mode field of the Transponder Data Box.
MANUAL ON MODE
ON Mode can be selected at any time by pressing the
ON
Softkey. ON Mode
generates Mode A and Mode S replies, but Mode C altitude reporting is inhibited. In
ON Mode, a green ON indication and transponder code appear in the mode field of
the Transponder Data Box.
Summary of Contents for G3X Touch
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