Casio Clock GQ 500 User Manual

MA0809-EA  
GQ-500  
USING THE CLOCK  
1. Press the SET button (4) to cycle through the setting screens as shown below.  
Month and Day  
Setting Screen  
Normal Timekeeping Screen  
Year Setting Screen  
12-hour/24-hour  
Timekeeping Screen  
Time Setting Screen  
2. While the screen you want is displayed, use the + and – buttons  
(23) to change the flashing digits.  
DEMO  
Holding down + or changes the flashing digits at high speed.  
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  
timekeeping.  
SET  
RESET  
Press to  
decrease  
the flashing  
digits.  
D
+
Press to  
SET  
+
increase  
the flashing  
digits.  
3. After making the settings you want, use the SET button (4) to 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.  
USING THE ALARM  
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.  
Setting the Alarm Time  
Use the + and – buttons (23) to set the alarm time.  
Pressing the + and – buttons (23) causes the alarm time to  
appear in place of the date on the display.  
Holding down + or changes the digits at high speed.  
Press to  
change the  
alarm time  
setting.  
D
+
Press to  
SET  
+
change the  
alarm time  
setting.  
Turning the Alarm On and Off  
Use the Alarm Mode selector (6) on the side of the clock to turn the alarm on and off, and to select the snooze  
feature.  
Alarm Mode selector  
Description  
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.  
ENGLISH  
SNZ (  
ON (  
)
The indicator  
activated.  
flashes on the display to indicate that the snooze feature is  
A sticker is affixed to the glass of the clock when you purchase it. Be sure to remove the sticker before using the  
clock.  
Depending on the clock model, its configuration may differ somewhat from that shown in the illustration.  
)
The alarm sounds at the preset time for one minute.  
The alarm does not sound.  
Alarm Off  
Snooze Alarm On  
OFF  
Date  
(month - day)  
Alarm time  
Current  
temperature  
The alarm time appears in place of the date on the display whenever the Alarm Mode selector (6) is set to ON  
or SNZ.  
Day of the week  
The the alarm sound changes over four levels as it sounds.  
Current time  
(Hour, minutes,  
seconds)  
Stopping the Alarm  
When the alarm is sounding, press the SNOOZE/LIGHT button (1) to stop it. When the snooze feature is turned  
Alarm on  
indicator  
PM indicator  
on, the alarm will sound again in about five minutes.  
To turn off the snooze feature, slide the Alarm Mode selector (6) to OFF.  
Snooze on indicator  
Demo Alarm  
Press the DEMO button (5) to sound the alarm.  
OPERATING PRECAUTIONS  
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.  
USING THE LIGHT  
Pressing the SNOOZE/LIGHT button (1) turns on the light and illuminates the display for easy reading in the  
dark.  
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.  
Important!  
Overuse of the light can shorten battery life.  
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.  
THERMOMETER FUNCTIONS  
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.  
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.  
BATTERY REPLACEMENT  
GENERAL GUIDE  
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. 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.  
1SNOOZE/LIGHT button  
Press this button to illuminate the display for about five seconds.  
Pressing this button while the alarm is sounding stops the alarm.  
+
23  
/
buttons  
Use these buttons to change the alarm time or the setting that is flashing on the display.  
4SET button  
Battery precautions  
Use this button when setting the current time.  
Keep batteries out of the reach of small children. If a battery is accidentally swallowed, contact your physician  
5DEMO button  
Press this button to sound the alarm.  
immediately.  
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.  
6Alarm Mode selector  
SNZ: Snooze alarm on  
ON: Alarm on  
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.  
OFF: Alarm off  
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.  
7RESET button  
Press this button to reset the clock after replacing its batteries.  
8Batteries  
SPECIFICATIONS  
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  
Battery: Two AA size batteries (Type: R6P)  
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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