V104s GPS Compass User Guide
21
Powering the V104s
Power Considerations
For best performance use a clean and continuous power supply. The V104s
power supply features reverse polarity protection but will not operate with
reverse polarity.
See Table B-3 on page 47 for complete power specifications.
Connecting to a Power Source
Before you power up the V104s you must terminate the wires of the power
cable as required. There are a variety of power connectors and terminals on
the market from which to choose, depending on your specific requirements.
Do not apply a voltage higher than 36 VDC. This will damage
the receiver and void the warranty.
To interface the V104s power cable to the power source:
• Connect the red wire of the cable’s power input to DC positive (+)
• Connect the black wire of the cable’s power input to DC negative (-)
The V104s will start when an acceptable voltage is applied to the power
leads of the extension cable.
Electrical Isolation
The V104s’s power supply is isolated from the communication lines and the
PC-ABS plastic enclosure isolates the electronics mechanically from the
vessel (addressing the issue of vessel hull electrolysis).
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