MA1812-EA © 2019 CASIO COMPUTER CO., LTD.
Operation Guide 3472
About This Manual
x Depending on the model of your watch, display text appears either as dark figures on a light background, or light figures on a dark background. All sample displays in this manual are shown using dark figures on a light background.
x Button operations are indicated using the letters shown in the illustration.
x Each section of this manual provides you with the information you need to perform operations in each mode.
x To ensure that this watch provides you with the years of service for which it is designed, carefully read and follow the instructions under “Operating Precautions” and “User Maintenance”.
x Be sure to keep all user documentation handy for future reference.
E
x Note that the product illustrations in this manual are intended for reference only, and so the actual product may appear somewhat different than depicted by an illustration.
E-1
Contents
General Guide ...................................................................................................... |
E-4 |
Timekeeping......................................................................................................... |
E-6 |
Alarm..................................................................................................................... |
E-8 |
Stopwatch .......................................................................................................... |
E-11 |
Time Setting ....................................................................................................... |
E-13 |
Specifications..................................................................................................... |
E-15 |
Operating Precautions ...................................................................................... |
E-16 |
User Maintenance.............................................................................................. |
E-26 |
E-2 |
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Procedure Lookup
The following is a handy reference list of all the operational procedures contained in this manual.
To toggle between 12-hour and 24-hour timekeeping ..................................... |
E-7 |
To set the alarm time........................................................................................... |
E-8 |
To stop the alarm .............................................................................................. |
E-10 |
To switch the Daily Alarm and Hourly Time Signal on and off....................... |
E-10 |
To test the alarm................................................................................................ |
E-10 |
To measure times with the stopwatch............................................................. |
E-12 |
To set the time and date ................................................................................... |
E-13 |
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E-3 |
General Guide
x Press B to change from mode to mode.
x After you perform an operation in any mode, pressing B returns to the Timekeeping Mode.
x The watch returns to the Timekeeping Mode automatically if you do not perform any button operation for one or two minutes in the Alarm Mode and Time Setting Mode.
x In any mode, press A to illuminate the display.
Timekeeping Mode |
Alarm Mode |
Stopwatch Mode |
Time Setting Mode |
B |
B |
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B |
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B |
E-4 |
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E-5 |
Timekeeping
PM indicator |
Use the Timekeeping Mode to view the current time and |
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date. |
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Day of week |
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x Day of the week is displayed as follows. |
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Day |
SU : Sunday |
MO : Monday |
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TU : Tuesday |
WE : Wednesday |
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TH : Thursday |
FR : Friday |
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SA : Saturday |
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x The watch does not make any allowance for leap years. |
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Be sure to manually set February 29 when one occurs |
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during a leap year. |
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To toggle between 12-hour and 24-hour timekeeping
In the Timekeeping Mode, press C to switch between the 12-hour and 24-hour formats.
x With the 12-hour format, the PM indicator appears for times in the range of noon to 11:59 p.m. and no indicator appears for times in the range of midnight to 11:59 a.m. x With the 24-hour format, times are displayed in the range of 0:00 to 23:59, with 24H
indicator.
Hour : Minutes Seconds
E-6 |
E-7 |
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Alarm
Alarm on indicator
Hourly time signal on indicator
Alarm time (Hour : Minutes)
Mode indicator
When the Daily Alarm is turned on, the alarm sounds for 20 seconds at the preset time each day. When the Hourly Time Signal is turned on, the watch beeps every hour on the hour.
x All of the operations in this section are performed in the Alarm Mode, which you enter by pressing B (page E-4).
To set the alarm time
1.In the Alarm Mode, press A. The hour digits flash because they are selected.
x This operation automatically turns on the alarm.
2. Press A to change the selection in the following sequence.
A
Hour |
Minutes |
A
A
Normal Alarm Mode (No digit flashes)
3.Press C to increase the selected digits. Holding down C changes the number at high speed.
xThe format (12-hour and 24-hour) of the alarm time matches the format you select for normal timekeeping.
xWhen setting the alarm time using the 12-hour format, take care to set the time correctly as morning or afternoon (PM).
4.After you set the alarm time, use A to return to the Alarm Mode.
x If you do not operate any button for one or two minutes while a selection is flashing, the flashing stops and the watch goes back to the Timekeeping Mode automatically.
E-8 |
E-9 |
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