Originally Posted by
gipsymagpie
So I have spoken to someone in the know and an alternative solution has presented itself. Rhey had the same issue a while ago and it was due to some settings being different in a replacement GTN.
Correct settings on left/top. Replacement GTN on right/bottom.
Access settings by holding HOME whilst switching on...well your engineer should do that bit.
Attaching settings in my aircraft. Apparently, the search for answer continues.
We had same settings on GTN 1 & 2