Previously after spending an well over an hour on the phone with Garmin support learning how to use it, Base Camp seemed to be working OK with the RV 770 I originally bought for this trip but the 770 totally quite working from a slight

Not exactly confidence inspiring....UPDATE (2 days):Got a call back from Garmin Support and resolved the issue.

(see update)Before purchasing, I checked with Garmin Support and they replied "I don't see why it wouldn't be compatible" (exact quote)