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OPERATIONOPERATION
16 17
NOAA Modes
• Changing NWR modes
Through the option select mode, (page 18) or by pressing
both volume buttons simultaneously and release, the unit
can be programmed to listen to NWR continuous weather
reports while still searching for laser/radar signals (NWR
ON) or the NOAA can be turned off completely (NWR OFF)
while still being able to receive laser/radar signals.
• NWR STBY
The laser/radar detector will function as normal (including
displaying HIGHWAY or CITY modes), unless an NWR Alert
is detected while scanning the seven (7) frequencies. In the
event of an NWR Alert, the text display will show one of sev-
eral warnings (i.e. FLOOD, TORNADO, EMERGENCY), and
the speaker provides the NWR advisory message. At the
conclusion of the NWR Alert, the 1770 returns to the stand-
by mode.
• NWR ON
The 1770 auto scans to the first active channel it finds and
broadcasts the NWR continuous weather report. The text
display shows the NWR channel frequency, instead of the
standard HIGHWAY/CITY message as shown below.
• In the event that you are in an area that receives two or
more NWR channels, you can scan for an alternate NWR
channels by pressing and holding either volume
button. Display read:
• After holding the volume button down for approxi-
mately 1.5 seconds, a feedback beep is provided. Upon
release of the volume button, the 1770 will scan for the
next active channel. If there are no other active channels
in the area, the 1770 will return to the initial channel.
• A quick press and release of either volume button dur-
ing a NOAA broadcast will adjust volume to the next
level. Another press and release of either volume button
will go to another level, etc, until either the min or max
volume is reached. This volume setting is independent of
the volume set while the unit is in radar mode (highway or
city).
Squelch Mode
While receiving weak signals in NWR ON mode the audio
may become intermittent. This is caused by the signal
being too weak to be received clearly and the audio is
squelched. To hear as much of the audio broadcast as
possible, squelching can be turned off, static will be heard
along with the audio broadcast. If this is desired, see the
Option Select mode section on page 18 to turn the
squelch (SQ) off.
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