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Garmin GTN 750 to GTX 335R interface

Old Chub
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Old Chub Community Regular

Old Chub

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Helping someone link a GTN 750 to a remote transponder GTX 335R and have not been able to configure the transponder from the GTN.   Has anyone one experienced any issues getting these two Garmin units to talk to each other?   I can see the data on the RS-232 input but its not able to be interpreted by the GTN.

 

Aerodon Mentor

Aerodon

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All I can say is be meticulous:

1) be sur that wiring is correct and know which serial ports are actually in use

2) make sure software is up to date in both units

3) make sure serial port settings are correct.

Every time I go through this trouble shooting exercise, we always find something wrong with one of the above.

Aerodon

 

 

 

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