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51Uniden MHS550 Radio Owner’s Manual
The scanning modes can be used in conjunction with one
another, or used separately.
Pressing and holding 16/9/TRI, for example, starts
and stops TripleWatch mode. TRIWATCH is shown in
the display when it is selected. There are insufcinet
characters available on the LCD panel to display
“TripleWatch.”
Pressing and holding WX/ALERT starts and stops
Weather Alert mode.
Pressing SCAN/MEM quickly starts and stops Normal
Scan mode.
You can choose either Dual or TripleWatch (whether or not
Channel 9 is scanned as well as Channel 16) by making a
menu selection. Press MENU, then use ▲ or ▼ to reach
Dual/Tri Watch. Next select 16/9 TriWatch or 16 DualWatch.
Press MENU again to return to radio operation.
AM, FM, and AIR Bands: You can store up to 25
frequencies in memory for the AM. FM, or Air band, press
and hold SCAN/MEM for about 2 seconds until you hear a
double beep conrmation. Memory appears on the display.
If you want to remove a frequency already stored, with
that frequency displayed, press and hold SCAN/MEM for
another 2 seconds until you hear the double beep sound.
Memory disappears.
Once you have stored two or more frequencies in the AM,
FM, or AIR band, you can move from station to station
within that band [Station Preset] by pressing SCAN/MEM
briey then using ▲ to jump from station to station.
Normal Scanning
To activate Normal Scanning, momentarily press SCAN/
MEM. The radio scans all the channels you stored in memory
from lowest to highest. The VHF marine band display shows
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