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altitude encoding

Posted: Wed Sep 25, 2024 9:11 pm
by bobnoffs
i have wired a garmin 327 transponder to my mini. is there something in settings i need to set as the 327 altitude window lights up but doesn't display an altitude.

Re: altitude encoding

Posted: Wed Sep 25, 2024 11:49 pm
by Sonex1517
I have the same setup. What did you set the GTX to? I think it’s the data format you have to configure.

Re: altitude encoding

Posted: Thu Sep 26, 2024 1:44 am
by GRT_Jeff
Both the Mini and the GTX have to be configured. We typically use the Fuel/Air Data Z Format as it includes some additional data besides altitude. On the Mini this is configured as Rate 9600 and Output "Fuel/Air Data (Z Format)". On the GTX this is configured as "FADC W/ALT".