Garmin 190-01098-00 Manuel D’Utilisation

Getting Started

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 (

).

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 configuration 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.

USA

16

 DISTRESS

REPEAT 

PA

SCAN

“‰°Š‹.Œ‘’’ƒ

ˆ‰Š°‹Œ.‘’“’†

ˆ‰:‹ŒPM UTC

W

25

USA

16

 DISTRESS

REPEAT 

PA

SCAN

“‰°Š‹.Œ‘’’ƒ

ˆ‰Š°‹Œ.‘’“’†

ˆ‰:‹ŒPM UTC

W

25