West Marine VHF255 Owner's Manual Page 12

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Uniden MHS550 Radio Owner’s Manual
10
How It Works
The MHS550 radio has three main operation modes, normal
mode, scan mode, and weather mode.
Mode What it does
Use it when you
want to...:
To turn it
on/off
Normal
mode
Monitors a single chan-
nel. In marine and FRS
bands, it allows you to
talk on that channel, too.
Monitor a channel or
talk to another radio.
(default
mode for
each radio
band)
Scan
mode
Monitors all the channels
you save into memory
Check a small group
of regularly-used
channels for trafc
Press SCAN-
MEM.
Weather
mode
Monitor the selected
NOAA weather channel.
You want to hear the
current or forecasted
weather in your area
Press WX-
ALERT.
In addition to the three operation modes, the MHS550
provides three different watch modes which you can activate
during any operation mode. In the watch modes, the radio
briey checks for activity on a specic channel, then returns
to its previous operation.
Watch mode What it does To turn it on/off
Weather Alert
Watch
Checks the last-used
weather channel for hazard
alerts every 7 seconds
Press and hold WX-ALERT
for 2 seconds
Triple Watch
Checks channels 16 and 9
for activity every 2 seconds
Press and hold 16/9-TRI for
two seconds
Dual Watch
Checks channel 16 for
activity every 2 seconds
Change Triple Watch to
Dual Watch in the menu,
then press and hold 16/9-
TRI for 2 seconds
Note: Private boats must monitor channel 16 when-
ever they are underway. Water-going vessels should
have either Triple Watch or Dual Watch on at all times.
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