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Uniden MHS550 Radio Owner’s Manual
the time to a specic channel, yet also check for trafc on
selected other channels. To accomplish this, your MHS550
has several scanning modes which can be used based on
your needs.
DualWatch — allows you to monitor a primary channel, for
example Channel 68, yet check for trafc on Channel 16 ev-
ery two seconds.
TripleWatch — lets you monitor a primary channel, for ex-
ample Channel 68, yet check for trafc on Channels 16 and
9 every two seconds.
Weather Alert (WX/ALERT) — lets you monitor one or more
channels, yet check for weather alerts on a selected weath-
er channel every 7 seconds. First select the Weather Mode
(WX/ALERT) and choose the clearest weather channel using
▲ or ▼ before using Weather Alert.
Normal Scanning — lets you monitor two or more channels
in rapid succession. When the radio detects trafc on any
of the channels in memory, it pauses scanning until the
trafc stops, then continues scanning after an additional two
seconds.
DualWatch Scanning — lets you monitor two or more
channels in succession, but also monitors Channel 16 every
two seconds.
TripleWatch Scanning — as above, but also monitors
Channel 9.
Notes:
Most of these scanning modes require that two or more
channels are rst entered into memory. This is done by
selecting the desired channel using ▲ or ▼, then pressing
and holding SCAN/MEM for two seconds. CHANNEL
STORED appears in the display. Press and hold SCAN/
MEM a second time to remove the channel from memory.
These various scanning modes can be turned on and off
using three keys — 16/9/TRI, WX/ALERT, and SCAN/MEM.
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