Garmin 190-01098-00 Manuale Utente

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VHF 300 Series Owner’s Manual 
Basic Operation
Monitoring Two Channels (Dual Watch)
Dual watch allows you to cycle between monitoring the current channel you have selected 
and Channel 16.
1.  Select 
MENU
 > 
CHANNEL
 > 
WATCH
.
2.  Select 
DUAL
. “DUAL WATCH”, the currently selected channel, and Channel 16 are 
displayed on the screen—for example, “DUAL WATCH CH: 75 + 16”.
3.  To exit Dual watch, select 
EXIT
.
Monitoring Three Channels (Tri Watch)
Tri watch allows you to cycle between monitoring the current channel you have selected, 
Channel 16, and your second-priority channel.
1.  Select 
MENU
 > 
CHANNEL
 > 
WATCH
.
2.  Select 
TRI
. “TRI WATCH”, the currently selected channel, Channel 16, and your second-
priority channel are displayed on the screen—for example, “TRI WATCH CH: 75 + 16 + 9”.
3.  To exit Tri watch, select 
EXIT
.
Reprogramming the Second-Priority Channel
You can program your radio to recognize a channel other than Channel 9 as your second-
priority channel.
1.  Select 
MENU
.
2.  Select 
CHANNEL
 > 
2ND PRIORITY
.
3.  Turn the 
Channel
 knob to change the channel displayed on the screen.
4.  When the correct channel is displayed, select 
OK
.
Using 16/9 Mode
16/9 is a priority operation that is activated by pressing the 
16/9
 key (North American 
models) or the 
16+
 key (International models) on the handset. Pressing the 
16/9
 key or the 
16+
 key stops the current operation and changes your current working channel to Channel 
16 on the first press, your second-priority channel on the second press, and your original 
channel on the third press. Entering this mode changes the transmit power to HI (25 W), and 
leaving this mode restores the previous setting.
1.  Press the 
16/9
 key or the 
16+
 key to immediately switch to Channel 16 and change the 
transmit power to HI (25 W). To transmit on LO power in 16/9 mode, press the 
HI/LO
 
key, and then select 
1W
. The radio displays 
1
W
 on the screen to indicate low-power 
transmission.
2.  Press the 
16/9
 key or the 
16+
 key again to switch to your second-priority channel.
3.  Press the 
16/9
 key or the 
16+
 key a third time to return to your previous current working 
channel and the previous transmit power setting.