Connecting The Accessory Cable - Uniden UM385 Owner's Manual

Use the accessory cable to connect the radio to a GPS receiver, a GPS chartplotter, and an

Connecting the Accessory Cable

external speaker. The wiring diagram below shows the connections for each accessory.
If you connect the radio to a GPS receiver, the radio can automatically transmit your
Connecting to a GPS Receiver
current position during an automated distress call or during a normal DSC call.
Your radio supports a standard NMEA0183 input from a GPS receiver. Follow the steps
below to connect your radio to your GPS receiver:
1. Connect the GREEN wire of the included accessory cable to the GPS DATA OUTPUT
(-) WIRE or the GROUND WIRE on your GPS receiver.
2. Connect the YELLOW wire of the included accessory cable to the GPS DATA
OUTPUT (+) WIRE on your GPS receiver.
3. Be certain all wire connections are secure and that all open wires are adequately
covered.
4. Plug the accessory cable into the accessory cable pigtail on the back of your radio.
# NOTE: to extend the life of the radio, use waterproof tape to seal electrical connections.
If the GPS receiver is correctly connected and it transmits valid data, the display shows GPS
GPS Verification
Data OK. Press ENT-1W25W to open the GPS status screen and see detailed GPS data:
Accessory cable wires
Brown: NMEA_OUT (-)
Green: NMEA_IN (-)
White: NMEA_OUT (+)
Y ellow: NMEA_IN (+)
Orange: N/A
Red: External Speaker (+)
Bare: Shield/GND
Black: GND/External Speaker (-)
30
Connects to...
Chartplotter NMEA Data Input (-)
GPS receiver NMEA Data Output (-) or GND
Chartplotter NMEA Data Input (+)
GPS receiver NMEA Data Output (+)
Speaker (+)
Speaker (-)/GND