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G3x with 540?

Printed From: Avidyne
Category: Avidyne General
Forum Name: IFD 5 Series & IFD 4 Series Touch Screen GPS/NAV/COM
Forum Description: Topics on Avidyne's IFD 5 Series and IFD 4 Series Touch Screen GPS/NAV/COM
URL: http://forums.avidyne.com/forum_posts.asp?TID=2762
Printed Date: 12 Jul 2025 at 1:33am
Software Version: Web Wiz Forums 12.01 - http://www.webwizforums.com


Topic: G3x with 540?
Posted By: frankbell
Subject: G3x with 540?
Date Posted: 09 Jul 2025 at 11:52am
I bought a plane (C-182) six months ago with a Garmin 530, G3x, and GFC 500.  I swapped out the 530 for an Avidyne 540, and have had serious issues with the G3x: Obstacles appear and disappear on the screen, when I'm at altitude, and the screen flickers frequently, to white and back to normal.  

Does anyone else have this combination?   Does it work ok?  



Replies:
Posted By: Victor
Date Posted: 09 Jul 2025 at 5:50pm
Originally posted by frankbell frankbell wrote:

I bought a plane (C-182) six months ago with a Garmin 530, G3x, and GFC 500.  I swapped out the 530 for an Avidyne 540, and have had serious issues with the G3x: Obstacles appear and disappear on the screen, when I'm at altitude, and the screen flickers frequently, to white and back to normal.  

Does anyone else have this combination?   Does it work ok?  

Yes and it works well.


Posted By: frankbell
Date Posted: 11 Jul 2025 at 12:18pm
Victor…

Can you tell me more… i.e. any particular settings you’ve made to make it work?  Since your’s works well and mine doesn’t, I’m trying to understand what might make the difference.  For example, what software level is on your 540?  Your obstacle and terrain warnings are normal?


Posted By: Victor
Date Posted: 11 Jul 2025 at 5:04pm
540 software is the latest, no issues with obstacle and terrain behaviour. All settings were done during installation by avionics tech.

It sounds to me like your issues might be standalone with your G3X rather than anything to do with the 540.



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