Please see the most recent updates in the "Where did the .com name go?" thread. Posts number 16 and 17.
I only have Dino's twin seat Skyhawk, I assume (hope) it works the same for the single seater. The GPS pop up requires avionics power which comes online by turning the UHF radio mode selector from OFF to MAIN or BOTH (right console).
Henk.
Funny, was just about to ask the exact same question just a week or so ago. But then by just chance fumbling around sorted this out. Had I not, the answer was here.
The point is that SOH know-how accumulated over many years among many community experts is absolutely superb and invaluable to SOH members.

