AXP340/322 ADS-B Transponder - GNS430W to APX340

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GNS430W to APX340

Printed From: Avidyne
Category: Avidyne General
Forum Name: AXP340/322 ADS-B Transponder
Forum Description: Topics on the Avidyne AXP340/322 ADS-B Transponder
URL: http://forums.avidyne.com/forum_posts.asp?TID=1732
Printed Date: 25 Dec 2024 at 12:59pm
Software Version: Web Wiz Forums 12.01 - http://www.webwizforums.com

Topic: GNS430W to APX340

Posted By: dan300
Subject: GNS430W to APX340
Date Posted: 27 Apr 2019 at 1:54pm

The 430W has "ADS-B OUT" or "ADS-B OUT +" for choices to send to the AXP340.

With the 340 set to "Garmin ADSB":

If the 430 is "ADS-B OUT", the 340 sees location info.

If the 430 is "ADS-B OUT +", the 340 does not see location info.

It's my understanding that "ADS-B OUT +" is required from the 430W for certified ADS-B out.

Software versions are the latest on both.

Anybody been thru this?

Replies:

Posted By: dan300
Date Posted: 03 May 2019 at 9:09pm

My AXP340 is version 3.8, is that higher or lower than 3.12 ?

I think I heard that the version has to be 3.12 or higher to hear Garmin ADSB OUT +

Posted By: DavidBunin
Date Posted: 12 May 2019 at 9:32am

3.12 should be higher than 3.8

Posted By: dan300
Date Posted: 12 May 2019 at 10:55am

Thanks, I've since figured that out and it's the reason for my problem. Need a software upgrade. Has anybody gotten one for an older unit?