Quote Originally Posted by stormcloud View Post
I have a HB 788 DI that I bought last spring. It will not read speed below one and a half mph. I have talked to the factory several times since I bought it and they said they could not recalibrate it and there was no software that I could buy to fix the problem. I need it to read four tenths mph, give or take. Anyone have any suggestions other than buying a 998 or 999. I already know the 788 has been discontinued. I have an older 788 that reads fine.
I bought a 788 HD DI and had ALL KINDA TROUBLE with the GPS right outta the box. Sent it back to'um and they couldn't figure it out. They sent me another unit and I wasn't pleased with it either. I finally put an external HS antenna on it and it helped.

Your unit should read/show something plum down to 0.0 mph. If it don't, me and somebody'd be get'n sideways over it! You pay that kinda money for something it should WORK!