Optimus CR-307 User Manual

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2. Set 
ALERT LOCK
 as follows:
ON
 — When the radio receives
an alert signal, the siren sounds
continuously until you change
the 
FM/AM/WX/ALERT 
or 
ALERT
LOCK
 setting.
OFF
 — When the radio receives
an alert signal, the siren sounds
only during the 10-second alert
signal.
3. To silence the siren, set 
FM/AM/
WX/ALERT 
to 
WX
. You hear the
current weather broadcast.
Notes:
• If severe weather threatens, do
not wait for an alert tone; turn on
your radio and monitor the latest
weather information.
• With 
ALERT LOCK
 set to 
OFF
, the
alert sounds for 10 seconds. If you
set the switch to 
WX
 immediately
after the siren starts to sound, you
hear the tone for a short period,
and then the emergency informa-
tion.
• The radio sounds the alert siren at
full power, regardless of the
radio’s volume setting.
TESTING ALERT 
OPERATION
For your radio to be effective, you
must place the radio:
• Where it can receive an emer-
gency alert signal (see “Testing
Alert Reception”)
• Where you can hear its alert tone
(see “Using the ALERT TEST But-
ton”)
Once you determine a location that
meets these two conditions, leave the
radio there for the best protection.
Testing Alert Reception
The fact that you get clear voice re-
ception or that the tone sounds when
you set 
ALERT TEST
 to 
ON
 (see “Us-
ing the ALERT TEST Button”) does
not guarantee that an emergency alert
signal will trigger your radio’s alert
tone. Also, if you are in a fringe area,
an emergency alert signal might trig-
ger your radio while it is in one place,
but not in another place (even close
by).
To test for actual reception, your radio
must receive a test or emergency alert
signal. The National Weather Service
(NWS) broadcasts a test alert every
week on Wednesday between 11 AM
and 12 Noon.
Illust.
12-1610.fm  Page 11  Friday, July 9, 1999  10:10 AM