Connecting To An External Pa Speaker - Uniden UM455 Owner's Manual

Installing the Hardware
1. Disconnect the accessory cable from the accessory connection on the radio.
2. Connect the BLACK wire of the accessory cable to the GROUND WIRE of your
external speaker.
3. Connect the RED wire of the accessory cable to the POSITIVE (+) WIRE of
your external speaker.
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.

Connecting to an external PA speaker

If you connect the radio to a PA speaker, you can use the PA feature to make
announcements to other boats and people nearby.
The UM455 supports an external PA speaker with the following specifications:
• Minimum impedance of 4 Ohms
• Minimum power handling of 10 Watts
1. Disconnect the accessory cable from the accessory connection on the radio.
2. Connect the BLACK wire of the accessory cable to the GROUND WIRE of your
PA system.
3. Connect the ORANGE wire of the accessory cable to the POSITIVE (+) WIRE
of your PA system.
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.
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