Gtx 345 Control Keys And Functions - Garmin GTX 345 Operator's Manual

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7-6
c. Press the OFF key to power off the unit. Switching
the AVI MSTR switch to OFF will also turn off the
unit.
2. Refer to the pilot's guides listed in paragraph 7-1 for
additional information regarding GTX operation and
troubleshooting as well as information for operation and
display via the GTN interface.
3. For night operation, the display brightness can be
adjusted with the PNL INST dimmer (Figure 7-1).
Table 7-1. GTX 345 Control Keys and Functions
Key Function
 ON: Powers on, disables altitude reporting.
o Transponder replies to interrogations, as
 ALT: Powers on, enables altitude reporting.
o Transponder replies to identification and
 VFR: Changes to the preprogrammed squawk
ON
code for VFR.
ALT
o Press the VFR a second time to restore the
VFR
OFF
 OFF: Powers off.
SBY
 SBY: Powers on or changes into standby mode.
IDNT
o Transponder will not reply to any
o Receives ADS-B In information, but will not be
 IDNT: Activates the Ident function for 18
seconds.
o Word "IDENT" will appear in the upper left
Report No. 28-AC-078
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ENSTROM 480B RFM SUPPLEMENT
indicated by the Reply Symbol (
altitude interrogations, as indicated by the
Reply Symbol (
previous identification code.
interrogations or transmit ADS-B Out.
a TIS-B participant.
corner of the display.
level of this Rotorcraft Flight Manual Supplement.
).
).
Dec 3/18