Got a Fortrex with USB2. Bought the adapter cable and hooked it to my bow unit (HDS 8, Gen 1). No temp or depth reading. Unit works with external transducer. Anything that commonly goes wrong that I could check/fix?
1998 Cobra DC 201
225 Merc EFI
HDS 12 and 9 Linked / Airman with Fish reveal
PP Pro II's