FWI: I checked last year with Garmin, hoping the programing on the 770RV could be downloaded into my older Garmin...but it could not. However, at that time they did have a "refund" for the older unit should I purchase the newer one.
Looking forward to the reviews as I belive I'll be getting a 770RV for my birthday this year.
Doc
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Sheree & Michael NCNG LTC(ret) with Munpi, RC and Sheba (cat).
2019 Nexus Viper 27V, E-450, 5 speed "Ms. Enterprise", Infotainment Center, HUD, , Safe-T-Plus, Curt SpareTire Mount, ext. WiFi Antenna, Roadmaster Tow Sys& Invisibrake.
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