P PCHunt Well Known Member Sponsor Oct 29, 2011 #1 I have a Garmin GNC 250XL installed in my RV-6. Can a GNC 300XL be installed just by inserting it into the 250XL rack? Or do I have to get a GNC300XL specific rack?
I have a Garmin GNC 250XL installed in my RV-6. Can a GNC 300XL be installed just by inserting it into the 250XL rack? Or do I have to get a GNC300XL specific rack?
RV8iator Well Known Member Benefactor Oct 29, 2011 #2 Yes I did just that but you will get a "No altitude input" message for vnav but still works as advertised.
Yes I did just that but you will get a "No altitude input" message for vnav but still works as advertised.