Garmin GTX 327 User Manual

Mode A/C Transponder
pilot’s guide
GTX
™
327

Garmin GTX 327 Specifications

General

Type	Transponder
Operating Temperature	-20°C to +55°C
Reply Frequencies	1090 MHz
Frequency Range	1090 MHz (reply)
Power Output	250 W peak (Mode S), 135 W peak (Mode C)

Summary

GTX 327 Mode A/C Transponder

Software License Agreement

Limited Warranty and Support

Important Operational Notes

Guidance on licensing, range limitations, and antenna placement.

GTX 327 Operation and Functions

Mode Selection Keys

Explains how to select operating modes like STBY, ON, and ALT.

Code Selection

Details how to enter 4,096 identification codes using the keypad.

Other Key Functions

Describes functions like IDENT, VFR, FUNC, START/STOP, CRSR, and CLR keys.

Function Display and Indicators

Explains display modes like Altitude, Flight Time, Count Up/Down, Contrast.

Advanced Operational Features

Covers Altitude Trend Indicator, Auto ALT/STBY, and ADS-B.

Timer Operation Details

Step-by-step guide for using Flight, Count Up, and Count Down timers.