Connecting To A Chartplotter; Maintenance And Troubleshooting - Uniden UM385 Owner's Manual

Your radio provides a standard NMEA0183 GPS output that you can connect to a

Connecting to a Chartplotter

chartplotter. When it receives another boat's position data in a DSC call, the radio sends
the position data to the chartplotter so you can see the location:
1. Connect the BROWN wire of the accessory cable to the NEGATIVE (-) wire of your
chartplotter's NMEA data INPUT.
2. Connect the WHITE wire of the accessory cable to the POSITIVE (+) wire of your
chartplotter's NMEA data INPUT
3. Be certain all wire connections are secure and that all open wires are adequately
covered.
# NOTE: To extend the life of the radio, use waterproof tape to seal electrical connections.
You can use an external speaker to monitor the radio from a different part of your boat or
Connecting to an External Speaker
in a noisy environment. If you adjust the VOLUME-PWR knob on the radio, it will also adjust
the external speaker volume.
Your radio supports an external speaker with the following specifications:
• Minimum impedance of 4 Ohms
• Minimum power handling of 10 Watts
1. Connect the BLACK wire of the accessory cable to the GROUND WIRE of your
external speaker.
2. Connect the RED wire of the accessory cable to the POSITIVE (+) WIRE of your
external speaker.
3. Be certain all wire connections are secure and that all open wires are adequately
covered.
# NOTE: To extend the life of the radio, use waterproof tape to seal electrical connections.
Due to its rugged design, your radio requires very little maintenance. However, it is a

MAINTENANCE AND TROUBLESHOOTING

precision electronic instrument, so you should follow a few precautions:
x If the antenna has been damaged, you should not transmit except in the case of an
emergency. A defective antenna may cause damage to your radio.
x You are responsible for continued FCC technical compliance of your radio.
x You should arrange for periodic performance checks with your dealer.
Problem
The radio won't power on.
Things to Try
Check the power connections.
Check the fuse.
Check the master battery switch and branch circuit
that connect to the radio.
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