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Table Of Contents - Uniden UM423 AM Owner's Manual

Am marine radio
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Table of Contents

Table of Contents
Introduction ........................................................................................................................... 3
Features.......................................................................................................................3
Manual overview .........................................................................................................3
Getting Started ...................................................................................................................... 4
What's included ..........................................................................................................4
Parts of the radio .........................................................................................................5
Operation ............................................................................................................................... 8
Turning on the Power ..................................................................................................8
Setting the Manual Squelch .........................................................................................8
Selecting a Channel.....................................................................................................9
Transmitting ...............................................................................................................10
Call Function ..............................................................................................................10
Channel 88 ................................................................................................................10
Dual Watch ................................................................................................................10
Scanning ...................................................................................................................11
Open Scan (OS) Mode .............................................................................................12
Group Scan (GS) Mode .............................................................................................12
Priority Channel .........................................................................................................13
Add/Remove Channels from SCAN Memory.............................................................13
Busy Channel Lockout ...............................................................................................14
Back Light ..................................................................................................................14
Roger Beep................................................................................................................15
Beep On/Off ...............................................................................................................16
Selecting the Call tone ...............................................................................................16
ANL (Automatic Noise Limiter) ..................................................................................17
NB (Noise Blanker) ....................................................................................................17
Using the PA feature ..................................................................................................18
Using the Siren feature ..............................................................................................18
Installing the Hardware ..................................................................................................... 19
Mounting the radio ....................................................................................................19
Connecting the radio..................................................................................................21
Connecting accessories.............................................................................................23
Connecting to an External Speaker .......................................................................... 24
Connecting to an external PA Speaker .....................................................................25
Maintenance and Toubleshooting .................................................................................. 26
Common questions ....................................................................................................26
Engine Noise Suppression ...................................................................................... 26
Specifications ...................................................................................................................... 27
Australia AM Marine Channels & Frequencies .............................................................. .28
Regulations and Safety Warnings ..............................................................................29
Basic radio guidelines ................................................................................................29
Antenna Selection and Installation .............................................................................29
2 Year Limited warranty ..................................................................................................... 30
Mounting Bracket Template .............................................................................................. 31
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