25
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:
•
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 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.
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Содержание UM423 AM
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