VHF 300 Series Owner’s Manual iii
Introduction
Table of Contents
Introduction ...............................................................................................................i
Manual Conventions ............................................................................................................ ii
Getting Started .........................................................................................................1
Garmin GHS Series Handsets .............................................................................................1
Garmin GHS Series Handset Display ..................................................................................2
Tips ......................................................................................................................................3
Basic Operation .......................................................................................................4
Turning the Radio On and Off ..............................................................................................4
Adjusting the Volume ...........................................................................................................4
Adjusting the Squelch ..........................................................................................................4
Selecting Channels ..............................................................................................................4
Transmitting with the Radio..................................................................................................4
Bypassing the LO (1 W) Transmission Power Setting .........................................................5
Scanning and Saving Channels ...........................................................................................5
Repeating the Last Received Communication .....................................................................6
Monitoring Multiple Channels ...............................................................................................6
Reprogramming the Second-Priority Channel .....................................................................7
Using 16/9 Mode ..................................................................................................................7
Switching Between 1 W and 25 W Transmitting Modes ......................................................8
Adjusting the Local/Distant Receiving Sensitivity ................................................................8
Using the Intercom ...............................................................................................................9
Using the Hailer ...................................................................................................................9
Using the Foghorn .............................................................................................................10
Listening to NOAA Weather Broadcasts and Enabling Weather Alerts ............................. 11
Automatic Transmitter Identication System ......................................................................12
Digital Selective Calling ........................................................................................14
Entering Your MMSI Number .............................................................................................14
Viewing Your MMSI Number ..............................................................................................15
DSC Distress Calls ............................................................................................................15
Placing Calls ......................................................................................................................18
Receiving Calls ..................................................................................................................20
Position Tracking ................................................................................................................21
Working with the Call Logs ................................................................................................23
Using the Directory ............................................................................................................25
Adding and Modifying Group Entries .................................................................................26
Conguring DSC Settings ..................................................................................................26
Sending Voicemail .............................................................................................................28
Automatic Identication System .........................................................................................28