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Connecting To An External Pa Speaker - Uniden UM423 AM Owner's Manual

Am marine radio
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Installing the Hardware

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 UM423 AM supports an external PA speaker with the following
specifications:
1.
Disconnect the accessory cable from the accessory connection on the
radio.
2.
Connect the BLUE wire of the accessory cable to the GROUND
WIRE of your PA system.
3.
Connect the BROWN 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
UM423 AM.
NOTE: To extend the life of the radio, use waterproof tape to seal
electrical connections.
Minimum impedance of 4 Ohms
Minimum power handling of 10 Watts
25

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