GTX 320 TRANSPONDER Pilot’s Guide
Operating The GTX 320 IDENT BUTTON CODE SELECTION KNOBS REPLY LIGHT FUNCTION SELECTION KNOB NOTES The GTX 320 owner accepts all responsibility for obtaining the proper license before using the transponder. The coverage you can expect from the GTX 320 is limited to “line of sight”. Low altitude or aircraft antenna shielding by the aircraft itself may result in reduced range. Range can be improved by climbing to a higher altitude.
Any time the function switch is in the ON or ALT position the transponder becomes an active part of the beacon system. Select ON or ALT as late as practical prior to takeoff and switch to OFF or SBY as soon as practical after completing landing roll unless the change to SBY has been accomplished previously at the request of ATC. Code Selector The code selector consists of four, eight position switches that provide 4,096 active identification codes.
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