Using The Triplewatch Or Dualwatch Mode - Uniden MHS550 Owner's Manual

(17 spaces) becomes HURRICANE WARN... and remains.
4. To verify if the radio is in the ALERT mode, press
and hold WX/ALERT for about 2 seconds. If ALERT
is active, WEATHER ALERT MODE ENABLE scrolls
along the screen bottom. This message appears for
about 6 seconds then returns to the marine standard
screen.
If the radio is set to alert mode and you press and hold WX/
ALERT for about  seconds, the radio exits alert mode, and
the screen scrolls WEATHER ALERT MODE DISABLED.
For greater details regarding SAME Event Codes, refer to
the NOAA website mentioned on Page 39.

Using the TripleWatch or DualWatch Mode

[For Marine. Weather Channel, and FRS Band]
If during setup of your MHS550, you selected Triple or
DualWatch mode. The following shows you how to use this
valuable feature.
1. To activate TripleWatch, from the active marine or
FRS radio screen, press and hold 16/9/TRI for about
 seconds.
Marine Band Marine Band
5 Watts 5 Watts
USA USA Memory Memory
TRIWATCH TRIWATCH
The screen displays TRIWATCH in the message line area
(marine) or adjacent to the channel number (FRS) and
the radio begins to check two additional channels in rapid
sequence every  seconds: the currently selected marine
channel, the backup calling Channel 9, then the Coast
48
Marine Band Marine Band
5 Watts 5 Watts
USA USA
A A
TRIWATCH TRIWATCH
2 sec 2 sec
immediate immediate
Uniden MHS550 Radio Owner's Manual
Marine Band Marine Band
5 Watts 5 Watts
USA USA
TRIWATCH TRIWATCH
immediate immediate