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VHF 300 Series Owner’s Manual 1
Getting Started
Getting Started
Garmin GHS Series Handsets
Use a Garmin GHS handset to operate all VHF 300 model radios.
PTT (Push-to-talk)—press to exit the current
menu and return to the Home screen to begin
broadcasting.
DISTRESS—lift the spring-loaded door and
press the DISTRESS key to start a Digital
Selective Calling (DSC) distress call if you
have programmed your radio with an MMSI
number.
Channel—rotate to change the channel on the
radio, or press to select a menu item. When
on the Home screen, press to access WX
(weather) channels (North American models
only).
CLEAR—press to return to the previous screen when you are in the menu options. This key
also cancels or mutes an incoming DSC call.
DSC—press to display a menu of DSC options. Press again to return to the Home screen.
This key only works if you have programmed an MMSI number into the radio (page 14).
16/9 (North American models) or 16+ (International models)—press and release to toggle
between Channel 16, your second-priority channel, and your original channel.
HI/LO—press to select between local and distant receive settings or to bypass 1 W
transmission power for some channels.
MENU—press to display a menu of conguration options. Press again to return to the
Home screen.
Volume/Squelch—press to toggle the function of the Channel knob to adjust the volume
and squelch levels.
PTT
Channel
CLEAR
DSC
16/9 or 16+
HI/LO
MENU
Volume/
Squelch
USA
16
DISTRESS
REPEAT PA SCAN
“‰°Š‹.Œ‘’’ƒ
ˆ‰Š°‹Œ.‘’“’†
ˆ‰:‹ŒPM UTC
W25
DISTRESS
PTT
Channel
CLEAR
DSC
16/9 or 16+
HI/LO
MENU
Volume/
Squelch
USA
16
DISTRESS
REPEAT PA SCAN
“‰°Š‹.Œ‘’’ƒ
ˆ‰Š°‹Œ.‘’“’†
ˆ‰:‹ŒPM UTC
W25
DISTRESS