Operation; Mode Selection - Garmin G1000 Pilot's Manual

4.2 OPERATION

MODE SELECTION

Mode selection can be automatic (Ground and Altitude
modes) or manual (Standby, ON and Altitude modes).
The STBY, ON and ALT softkeys can be accessed by
pressing the XPDR softkey.
Ground Mode (Automatic)
Ground mode is automatically selected when the
aircraft is on the ground. A green GND indication
appears in the mode field of the Transponder Status bar.
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.
Figure 4-4 Ground Mode
Ground mode can be overridden
NOTE:
by pressing any one of the Mode Selection
softkeys.
190-00498-00 Rev. A
Standby Mode (Manual)
The Standby mode can be selected at any time by
pressing the STBY softkey.
transponder does not reply to interrogations, but new
codes can be entered. If the Standby mode is selected,
a white STBY indication appears in the mode field of the
Transponder Status bar.
Manual ON Mode
The 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 appears in the mode field of
the Transponder Status bar.
Garmin G1000 Pilot's Guide for Cessna Nav III
In Standby mode, the
Figure 4-5 Standby Mode
In Standby mode, the
NOTE:
inhibited.
Figure 4-6 ON Mode
TRANSPONDER
function is
IDENT
4-3