Connecting Accessories; Connecting To A Gps Receiver - Uniden UM425 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 UM425 supports a standard NMEA0183 input from a GPS receiver.
Follow the steps below to connect the UM425 to your GPS receiver:
13.8V DC
Disconnect the accessory cable from the accessory connection on the
1.
radio.
Connect the BARE wire of the included accessory cable to the
2.
GROUND WIRE on your GPS receiver.
Connect the GREEN wire of the included accessory cable to the
3.
GPS DATA OUTPUT WIRE on your GPS receiver. Below is a table of
common GPS receivers and the proper connections:
Accessory
connector
Accessory
cable
Line up
arrows to
connect
E-46
Orange: NMEA OUT (-)
Black: Ext. Speaker (-)/GND
Green: GPS Data IN (+)
Red: External Speaker (+)
Bare wire: Ground
Brown: PA Speaker (+)
Blue: PA Speaker (-)/ GND
Yellow: NMEA OUT (+)