Humminbird 531478-2_B GPS Receiver User Manual


 
2. Confirm that the cable length is adequate and route the cable from the
receiver to the Fishfinder control head. If holes are required to route the
cable, they must be 3/4” (19 mm) to allow for the cable connector. Secure
the NMEA pigtail with electrical tape.
3. The GPS receiver has two wire routing notches. Use the cable notch
closest to the intended cable route.
4. With the cable routed, position the GPS receiver in the planned mounting
location and mark the mounting holes with a pencil or awl.
5. Move the GPS receiverto the sideand drill the two 5/32” (4mm) pilot holes.
NOTE: Apply marine-grade silicone caulk or sealant to both screw and drilled holes as
needed to protect your boat from water damage.
6. Align the screw holes of the GPS receiver over the pilot screw holes,
referring to the illustration, and attach with the #6 - 3/4 Phillips head
screws. Hand tighten only.
Finish Routing the Cable and Check Operation
Follow these steps to finish routing the GPS receiver cable between the
Fishfinder control head and the receiver:
1. Secure the cable along its path to the Fishfinder control head as
needed, using cable ties.
2. Plug the GPS receiver cable to the Fishfinder control head per the
instructions detailed in Connecting a GPS receiver to the Fishfinder.
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