Hi i have a 787c and at times it glitiches on dislay but then a oval black is dislayed over the screen then lots of lines are displayed i checked all conections and wires this happens not sraight away after it warms up thanks david
Home Security - Hummingbird - 1100 Fishfinder
Answers & Comments
If it were not for heat, all electronics would last forever. Put it in the freezer and it will work longer before heating up. It is not user serviceable.