Limited Warranty NOTE: The GTX 330 owner accepts all responsibility for obtaining the proper licensing before using the transponder. NOTE: The coverage you can expect from the GTX 330 is limited to “line of sight”. Low altitude or aircraft antenna shielding by the aircraft itself may result in reduced range.
The GTX 330 transponder is powered on by pressing the STBY, ALT or ON keys, or by a remote avionics master switch (if applicable). After power on, a start-up page is displayed while the unit performs a self test. (See your Garmin dealer for software upgrades.) Mode Selection Keys...
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Important Codes: 1200 7000 7500 7600 7700 7777 0000 Keys for Other GTX 330 Functions IDENT IDENT FUNC START/STOP CRSR...