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Casio Clock GQ-50 Product Manual

Casio clock product manual
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• A sticker is affixed to the glass of the clock when you purchase it. Be sure to remove the sticker before using the
• Depending on the clock model, its configuration may differ somewhat from that shown in the illustration.
Alarm Off
Snooze Alarm On
Day of the week
Alarm time
Snooze on
(month - day)
PM indicator
Current time
Alarm on
(Hour, minutes,
• Do not use or store this clock in areas exposed to temperature extremes, strong magnetism, strong vibration, or
strong impact.
• Heat can shorten battery life and cause malfunction. Keep the clock away from heaters and direct sunlight when
using it.
• Never use the clock in a bathroom or any other area subject to high humidity.
• Never try to take the clock apart. Doing so can cause malfunction.
• To clean the clock, use a soft, dry cloth or a cloth moistened in a solution of water and a mild neutral detergent.
Wring out all excess moisture from the cloth. Never use thinner, benzene, alcohol or other similar agents.
• The LCD may become difficult to read at temperatures outside of the operating temperature range (0 to 40°C).
• Display figures may be difficult to read when viewed from an angle.
• Be sure to keep all user documentation handy for future reference.
CASIO COMPUTER CO., LTD. assumes no responsibility for any loss, or any claims by third parties that may
arise through the use of this clock.
1 1 1 1 1 SNOOZE/LIGHT button
• Press this button to illuminate the display for about five seconds.
• Pressing this button while the alarm is sounding stops the alarm.
2 3
2 3
2 3
2 3
2 3 + / – buttons
• Use these buttons to change the alarm time or the setting that is flashing on the display.
4 4 4 4 4 SET button
• Use this button when setting the current time.
5 5 5 5 5 DEMO button
• Press this button to sound the alarm.
6 6 6 6 6 Alarm Mode selector
SNZ: Snooze alarm on
ON: Alarm on
OFF: Alarm off
7 7 7 7 7 RESET button
• Press this button to reset the clock after replacing its batteries.
8 8 8 8 8 Batteries (Clock)
9 9 9 9 9 Batteries (Flashlight)
0 0 0 0 0 Flashlight
A A A A A Flashlight ON/OFF switch
• Buttons marked “INVALID” are not assigned any function.
1. Press the SET button (4) to cycle through the setting screens as shown below.
Normal Timekeeping Screen
Year Setting Screen
Month and Day Setting Screen
Timekeeping Screen
Time Setting Screen
2. While the screen you want is displayed, use the + and – buttons
(2 3) to change the flashing digits.
to decrease
• Holding down + or – changes the flashing digits at high speed.
the flashing digits.
• You can set the year in the range of 2000 to 2099. The day of the
week is set automatically in accordance with the date setting.
• Pressing + or – while the Time Setting Screen is on the display
causes the seconds count to be reset to 00.
• Each press of + or – while the 12-hour/24-hour Timekeeping
Screen is on the display toggles between 12-hour and 24-hour
to increase
3. After making the settings you want, use the SET button (4) to
the flashing digits.
display the Normal Timekeeping Screen.
• The clock automatically returns to the Normal Timekeeping Screen
if you leave a setting screen on the display for about five minutes
without performing any operation.
The alarm sounds when the alarm time you set is reached. You can also use the Alarm Mode selector (6) to
select the snooze alarm feature.
to change
Setting the Alarm Time
the alarm time setting.
Use the + and – buttons (2 3) to set the alarm time.
Pressing the + and – buttons (2 3) 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 Mode selector (6) on the side of the clock to turn
to change
the alarm on and off, and to select the snooze feature.
the alarm time setting.
Alarm Mode selector
The alarm sounds at the preset time for one minute, and up to seven more times every
five minutes thereafter. Even if you stop the alarm by pressing the SNOOZE/LIGHT button
(1), the alarm sounds again five minutes later.
• The indicator
flashes on the display to indicate that the snooze feature is
ON (
The alarm sounds at the preset time for one minute.
The alarm does not sound.
• The alarm time appears in place of the date on the display whenever the Alarm Mode selector (6) is set to ON
or SNZ.
• The alarm sound changes over four levels as it sounds.
Stopping the Alarm
• When the 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.
Demo Alarm
Press the DEMO button (5) to sound the alarm.
Pressing the SNOOZE/LIGHT button (1) turns on the light and illuminates the display for easy reading in the dark.
• Overuse of the light can shorten battery life.
Press the Flashlight ON/OFF switch (A) to turn on the LEDs (0).
Note that different batteries are used to power the clock and the flashlight.
• Never point the flashlight directly into anyone’s eyes. Doing so can harm vision.
• A built-in sensor measures temperature and shows the measured value on the display.
• The temperature display shows “LL” for temperatures below –20°C and “HH” for temperatures above 50°C.
• Though temperature readings are displayed up to –0.1°C and greater than 40.1°C, note that such readings are
actually outside the guaranteed temperature range of this clock.
Replace batteries 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 both of the old batteries.
3. Load two new batteries for the clock and/or three new batteries for the flashlight. 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. Press the RESET button (7). Be sure to press the RESET button (7) after replacing batteries.
5. Replace the battery compartment cover.
Battery precautions
• Keep batteries out of the reach of small children. If a battery is accidentally swallowed, contact your physician
• Be sure to load the batteries with their positive (+) and negative (–) ends facing correctly.
• Never mix old and new batteries, or batteries of different brands.
• Never charge the batteries that come with the clock.
• Should batteries 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 batteries at least once a year, even if the current batteries are working properly.
• The batteries that come with the clock lose some of their power during transport and storage.
Accuracy at normal temperature: ±60 seconds a month
Calendar system: Auto-calendar pre-programmed from the year 2000 to 2099
Alarm: Daily Alarm, Snooze Alarm (7 repeats), Demo Alarm
Thermometer: Measuring range: 0°C to 40°C
Though temperature readings are displayed up to –0.1°C and greater than 40.1°C, note that such readings are
actually outside the guaranteed temperature range of this clock.
Temperature Sensor Precision: ±2°C in range of 0°C to 40°C
Other: LED light; 12/24-hour timekeeping, flashlight
Battery: Clock: Two AAA size batteries (Type: R03)
Flashlight: Three AAA size batteries (Type: R03)
Battery life: Approximately 1 year
• 1 minute alarm operation per day
• 5 seconds light operation per day
Operating temperature: 0°C to 40°C



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Srt 5405e