If that results in electrical interference, or if such a switch is not available, we recommend connecting direct to the battery and in- stalling an inline switch. This will let you shut off power to the power cable when the unit is not in use. When you are not using the unit, you should always shut off power to the power cable, es- pecially when the power cable is disconnected from the unit.
To unit | Optional power off switch | |
for saltwater installations | ||
|
Black wire |
12 volt | Red wire with | |
3 amp fuse | ||
battery | ||
|
Power and transducer connections for the X67C sonar
unit (direct battery connection shown).
If possible, keep the power cable away from other boat wiring, espe- cially the engine's wires. This will provide the best isolation from elec- trical noise. The power cable has two wires, red and black. Red is the positive lead, black is negative or ground. Make sure to attach the in- line fuse holder to the red lead as close to the power source as possible.
For example, if you have to extend the power cable to the battery or power buss, attach one end of the fuse holder directly to the battery or power buss. This will protect both the unit and the power cable in the event of a short. It uses a
CAUTION:
Do not use this product without a
NOTE:
For more corrosion protection in saltwater or high humidity envi- ronments, apply a thin layer of
This unit has reverse polarity protection. No damage will occur if the power wires are reversed. However, the unit will not work until the wires are attached correctly.
MOUNTING THE SONAR UNIT:
20
