Transponder Description; Transponder Softkeys; Transponder Status Bar - Garmin G1000 Pilot's Manual

4.1 TRANSPONDER DESCRIPTION

The GTX 33 transponder is integrated into the
G1000 system, offering Mode A, Mode C and Mode S
interrogation and reply capabilities. This pilot' s guide
provides a description of the transponder operation and
information on Mode S capability.
The transponder controls are located on the G1000
Primary Flight Display (PFD) on the lower portion of the
screen (see figures below).

TRANSPONDER SOFTKEYS

The transponder function spans three levels of softkeys;
the Top-level, the Mode Selection and the Code Selection
softkeys.
When the Top-level XPDR softkey is pressed, the
following softkeys appear in the softkey bar (Figure 4-2):
STBY, ON, ALT, VFR, CODE, IDENT, BACK.
Figure 4-1 Top-level Softkeys
Figure 4-2 Mode Selection Softkeys
Figure 4-3 Code Selection Softkeys
190-00498-00 Rev. A
When the CODE softkey is pressed, the number
softkeys appear in the softkey bar (Figure 4-3): 0, 1, 2, 3,
4, 5, 6, 7, IDENT, BKSP, BACK. The digits 8 and 9 are
not used for code entry. Pressing the BKSP softkey backs
up code selection to the previous digit.
Pressing the BACK softkey during code selection
reverts to the MODE Selection softkeys (Figure 4-2).
Pressing the BACK softkey during Mode Selection reverts
to the Top-level softkeys (Figure 4-1).

TRANSPONDER STATUS BAR

The Transponder Status bar is located to the left of the
System Time box and contains, a four-digit code field, a
mode field and a reply status indicator. In Standby mode,
both the code field and the mode field appear in white. In
all other modes, these fields appear in green.
Garmin G1000 Pilot's Guide for Cessna Nav III
After 45 seconds of transponder softkey
NOTE:
inactivity, the system reverts back to the Top-
level softkeys (Figure 4-1).
Pressing XPDR
displays the Mode
Selection softkeys
Pressing CODE
displays the Code
Selection softkeys
TRANSPONDER
Transponder Status Bar
Pressing BACK
displays the Top-
level softkeys
Pressing BACK
displays the Mode
Selection softkeys
4-1