Garmin G1000 Series, Pilot'S Manual, Page: 101 / 338

Garmin G1000 Pilot’s Guide for the Diamond DA40
190-00592-00 Rev. A 4-1
TRANSPONDER
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 section provides
a description of 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
.
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).
NOTE:
After 45 seconds of transponder softkey
inactivity, the system reverts back 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.
Figure 4-3 Code Selection Softkeys
Figure 4-2 Mode Selection Softkeys
Figure 4-1 Top-level Softkeys
Transponder Status Bar
Pressing BACK
displays the Top-
level softkeys
Pressing BACK
displays the Mode
Selection softkeys
Pressing XPDR
displays the Mode
Selection softkeys
Pressing CODE
displays the Code
Selection softkeys