Casio DQ-643 Clock User Manual


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USER’S GUIDE DQ-643
2
USING THE ALARM
The alarm sounds and the backlight turns on when the alarm time you set is reached. You can also use the Alarm
Switch (
55
55
5)
to select the snooze alarm feature.
Setting the Alarm Time
Use the Alarm Time Set buttons (
22
22
2)
to set the alarm time.
Pressing an Alarm Time Set button (
22
22
2)
causes the alarm time to appear in place of the date on the display.
• Holding down ̅ or ̃ changes the digits at high speed.
Turning the Alarm On and Off
Use the Alarm Switch (
55
55
5)
on the side of the clock to turn the alarm on and off, and to select the snooze feature.
Description
The alarm sounds at the preset time for one
minute, and seven more times every five
minutes thereafter. Even if you stop the alarm
sound by pressing the Snooze/Light button
(
11
11
1), the alarm operation is performed again
five minutes later.
• The indicator Zz flashes on the display to
indicate that the snooze feature is activated.
The alarm sounds at the preset time for one
minute.
The alarm does not sound.
Alarm Switch Setting
SNZ ON
Zz
ALM ON
(
)
OFF
( )
USING THE LIGHT
Pressing the Snooze/Light button (
11
11
1) turns on the light and illuminates the display for easy reading in the dark.
Important!
• Overuse of the light can shorten battery life.
BATTERY REPLACEMENT
Replace batteries whenever the display of the clock becomes dim and difficult to read.
1. Pressing down lightly on the battery compartment cover, slide it downwards and remove it.
2. Remove both old batteries.
3. Load new batteries. Make sure that their positive (+) and negative (–) ends face in the correct directions. If you
load batteries incorrectly, they can burst and damage the clock.
4. Replace the battery compartment cover.
5. Press the RESET button (
44
44
4). Be sure to press the RESET button (
44
44
4) after replacing batteries.
Battery precautions
• Be sure to load the batteries with their positive (+) and negative (–) ends facing correctly.
• Replace the batteries at least once a year, even if the current batteries are working properly.
• Never charge the batteries that come with the clock.
• Should the batteries ever leak while in the clock, wipe out the fluid with a cloth, taking care not to let any get onto
your skin.
• The batteries that come with the clock lose some of their power during transport and storage.
• Never mix old and new batteries, or batteries of different brands.
Alarm Time
Press to change the alarm
time setting (̅).
Press to change the alarm
time setting (̃).
Alarm Time Set buttons
• The alarm time appears in place of the date on the display whenever the alarm switch is set to ON or SNZ.
• The backlight also turns on for the first four seconds that the alarm sounds.
• The alarm sound changes over five levels as it sounds.
Stopping the Alarm
• When alarm is sounding, press the Snooze/Light button (
11
11
1)
to stop it. When the snooze feature is turned on,
the alarm will sound again in about five minutes.
• To turn off the snooze feature, slide the Alarm Switch (
55
55
5)
to OFF.
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