190-01499-00 Rev. A
Garmin GTX 335/345 Pilot’s Guide
2-3
2 – GTX 3X5 CONTROLS
2.4
Function Keys
Table 2-3 Function Keys
IDENT
The
IDENT
key activates the IDENT function for 18 seconds. This distinguishes your
transponder from others on the air traffic controller’s screen. The word “IDENT” will appear
in the upper left corner of the display during this time.
VFR
The
VFR
key sets the transponder code to the preprogrammed VFR code, which is selected
during installation configuration (this is set to 1200 at the factory).
To restore the previous identification code, press the
VFR
key a second time.
To toggle between these two codes, continue to press the
VFR
key.
FUNC
The
FUNC
key cycles through four menu groups shown on the right-hand side of the display.
Menu groups include:
Transponder (XPDR)
Timers (TMR)
Altitude (ALT)
System (SYS)
ENT
The
ENT
key acknowledges the selection of menu items and pilot data entry fields.
CRSR
The
CRSR
key activates the cursor to select items in menus and on pages.
CLR
The
CLR
key clears selected entry and exits the menus.
8
The key enters the number eight in the Flight ID or Count Down timer.
It navigates up and between the functions and settings within a menu group.
9
The key enters the number nine in the Flight ID or Count Down timer.
It navigates down and between the functions and settings within a menu group.