Humminbird 1158c Combo, Installation And Operation Manual

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2. Screw on the receiver base to the stem first, making
sure that the stem pipe does not protrude from the
receiver base. This adds protection to the cable when
pulling it through the pipe stem. In addition to this,
de-burr the pipe edges to reduce cable abrasion.
3. Use electrical tape to secure the NMEA cable to the
receiver cable as shown.
NOTE:
Leave the NMEA cable secured to the receiver cable
unless needed. This will make removing the receiver easier.
4. Route the GPS receiver cable through the stem and
continue with the planned route you chose in step 1.
5. Attach the GPS receiver to its base using the included
#6 - 7/8" screws.
2b. Access Under Mounting Location
Follow these steps to deck mount the GPS receiver when routing the cable down through the
mounting location:
1. Determine the best location, then test route the 20' (6 m) cable from the mounting
location to the control head.
NOTE: Installation details may vary with unit configuration.
2. Mark the mounting location and drill a 3/4" (19 mm) hole for the cable and cable plug.
Route the cable.
3. Cover the cable hole with the receiver. Make sure the receiver is flush on the surface
and mark the two mounting holes with a pencil or punch.
Receiver
Receiver Base
1
2
Stem Pipe 3
1
3
2
NMEA Cable Taped
NMEA Cable Out
Mounting Screws
1
2
3
1
2
3
Installation - GPS Receiver