Connecting Accessories; Connecting To A Gps Receiver - Uniden UM455 Owner's Manual

Installing the Hardware

Connecting accessories

Connecting to a GPS receiver

If you connect the radio to a GPS receiver, the radio can automatically transmit your
current position during an automated distress call or during a normal DSC call.
The UM455 supports a standard NMEA0183 input from a GPS receiver. Follow the
steps below to connect the UM455 to your GPS receiver:
Accessory
connector
13.8V DC
1. Disconnect the accessory cable from the accessory connection on the radio.
2. Connect the BARE wire of the included accessory cable to the GROUND WIRE
on your GPS receiver.
3. Connect the YELLOW wire of the included accessory cable to the GPS DATA
OUTPUT WIRE on your GPS receiver. On page 46 is a table of common GPS
receivers and the proper connections:
NOTE: If not using the accessory connector make sure the cap is fi rmly secured.
4. Be certain all wire connections are secure and that all open wires are adequately
covered.
5. If you are finished connecting all external accessories, line up the arrows on the
side of the accessory cable and connector and connect the accessory cable to
the accessory connector on the back of the UM455.
NOTE: To extend the life of the radio, use waterproof tape to seal electrical
connections.
Accessory
cable
Line up
arrows to
connect
Brown: NMEA OUT (-)
Green: NMEA IN (-) ................GPS receiver GND
White: NMEA OUT (+) ..............Chartplotter NMEA Data Input (+)
Yellow: NMEA IN (+) ................GPS receiver NMEA Data Output
Orange: PA (+) .........................PA(+)
Red: External Speaker (+)
Bare: Shield/GND
Black: GND/External Speaker(-)
46
............Chartplotter NMEA Data Input (-)
........Speaker(+)
...Speaker(-)/GND