User's Manual

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0544
Contents
Introduction .............................................................................................................................. ii
About this manual ................................................................................................................ ii
Abbreviations used in this manual ...................................................................................... ii
Training Information ............................................................................................................... iii
Quick DSC distress call.......................................................................................................... iv
Mayday procedure................................................................................................................... iv
Your VHF at a glance (RT5020/RT5022) ................................................................................. v
1 Radio communication in brief .......................................................................................... 3
1.1 Powering VHF ............................................................................................................. 3
1.2 Operating VHF radio communication ......................................................................... 3
1.3 Receiving a call on Channel 16 .................................................................................. 3
1.4 Making a radiotelephone call ...................................................................................... 4
1.5 Speaker volume .......................................................................................................... 4
1.6 Earpiece volume ......................................................................................................... 4
1.7 Squelch ....................................................................................................................... 4
1.8 Channel selection ....................................................................................................... 5
1.9 Dual watch .................................................................................................................. 5
1.10 Replay ......................................................................................................................... 5
1.11 Dimming ...................................................................................................................... 6
1.12 Contrast ....................................................................................................................... 6
2 Basic DSC operations ....................................................................................................... 7
2.1 Menu operation ........................................................................................................... 7
2.2 Receiving a DSC call .................................................................................................. 7
2.3 Transmitting DSC Calls .............................................................................................. 8
2.4 Call a ship station ....................................................................................................... 8
2.5 Call a shore station ..................................................................................................... 8
2.6 Direct call to a PSTN via a coast station.................................................................... 8
2.7 Call a group of ships ................................................................................................... 9
2.8 Create emergency calls .............................................................................................. 9
2.9 DSC call log ................................................................................................................ 9
2.10 Entering your position into the system ....................................................................... 9
3 Your VHF in detail ............................................................................................................ 11
3.1 Abnormal power-down .............................................................................................. 11
3.2 Settings .....................................................................................................................11
3.3 Automatic squelch programming .............................................................................. 11
3.4 Setting channel mode ............................................................................................... 11
3.5 Private channels ....................................................................................................... 12
3.6 Duplex channels ....................................................................................................... 12
3.7 ATIS (inland waterways only) ................................................................................... 13
3.8 Transmitter power ..................................................................................................... 13
3.9 Channel scanning ..................................................................................................... 13
3.10 Creating scan tables ................................................................................................. 14