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Operation Guide DQ-542/542B
2
Hour Minutes
Press to toggle between
12-hour and 24-hour
timekeeping.
Press to advance the
alarm time minute
setting.
Press to advance the
alarm time hour
setting.
USING THE ALARM
The alarm sounds when the current time reaches the alarm time. The face illuminates for the first 5 seconds of the
alarm operation as well. The alarm tone alternates between three levels.
You can also use the Alarm Mode selector 6 to select the snooze alarm feature.
Setting the Alarm Time
1. Slide the Mode switch 5 to “AL”. This
causes the alarm time setting to flash
on the display.
2. Use the 12 • 24/YEAR button 2, MIN/
DATE button 3, and HR/MONTH
button 4 to set the alarm time. Holding
down the MIN/DATE button 3 or HR/
MONTH button 4 changes the
corresponding setting at high speed.
• Make sure you set the correct am/pm
time if you are using 12-hour
timekeeping. The PM indicator indicates
PM times, while nothing is indicated for
AM times.
3. Slide the Mode switch 5 to “NORMAL”. This will cause the figures
on the display to stop flashing.
4. Turning the Alarm On and Off
Use the Alarm Mode selector 6 on the top of the clock to turn the
alarm on and off, and to select the snooze feature.
• The light also turns on for the first five seconds that the alarm sounds.
Stopping the Alarm
• When alarm is sounding, press the SNOOZE/LIGHT button 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 Mode selector 6 to OFF.
Testing the alarm
• While the mode switch setting is “NORMAL”, hold down the HR/MONTH button 4 and MIN/DATE button 3 at
the same time to sound the alarm. All of the display’s digital segments will appear at this time. Release the
buttons to stop the alarm.
Alarm Mode selector Description
The alarm sounds at the preset time for one minute. You can stop the alarm by
pressing the SNOOZE/LIGHT button 1. The snooze feature will cause the alarm to
sound again about five minutes after it stops. A
indicator flashes on the display
during the period between alarms.
•
If you keep stopping the alarm manually by pressing the SNOOZE/LIGHT button
11
11
1
The alarm will sound again, about five minutes after you stop it.
• If the alarm is not stopped manually
The alarm will sound three times for one minute, at five-minute intervals. After that the
snooze feature will be cancelled automatically.
The alarm sounds at the preset time for one minute.
The alarm does not sound.
SNZ
ON
OFF
USING THE LIGHT
Hold down the SNOOZE/LIGHT button 1 to illuminate the display. The light will go out automatically after about
three seconds, even if you keep the button depressed.
Important!
• Overuse of the light can shorten battery life.
BATTERY REPLACEMENT
Replace the battery whenever the display of the clock becomes dim and difficult to read.
1. Open the battery compartment cover as shown in the illustration.
2. Remove the old battery.
3. Load a new battery. Make sure that the positive (+) and negative (–) ends of the battery are facing correctly. An
incorrectly loaded battery can burst and damage the clock.
4. Replace the battery compartment cover.
Battery precautions
• Keep batteries out of the reach of small children. If a battery is swallowed accidentally, contact your physician
immediately.
• Be sure to load the battery with its positive (+) and negative (–) ends facing correctly.
• Never charge the battery that comes with the clock.
• Should a battery ever leak while in the clock, wipe out the fluid with a cloth, taking care not to let any get onto
your skin.
• Replace the battery at least once a year, even if the current battery is working properly.
• The battery that comes with the clock loses some power during transport and storage.