Posted 3/24/2018 11:59 (#6662322 - in reply to #6661555) Subject: RE: Gradient Intellislope GPS problem
NE South Dakota Clark, SD
I have seen a few of these monitors where the serial port goes bad. To check this, you will need to hook your gps up to something else that that can read NMEA strings. I use my laptop with a free program call Visual GPS. That way you can eliminate if it is the GPS. Another option would be to borrow a display from a neighbor and test it.