I put this video up to see if anyone else have the same problem? And as a warning to potential buyers.įree download geonav 7 wide update Files at Software Informer. My GPS unit has been in for repairs, but all they did was reset the device. In this video the problem is at its most extreme, but worst part is when the error is small, so you don't suspect you're on the wrong heading. The unit has been updated to the latest software by the store where I bought it. It has been tested in another boat with the same result. Altitude) wrong, while still claiming to have a good GPS fix. I've been having a problem with my Geonav 7 unit, where it will suddenly (and way too often) start showing both speed, heading, position (incl.