MA1104-EA
Operation Guide 3262
Getting Acquainted
Congratulations upon your selection of this CASIO watch.
Expose the watch to bright light to charge its capacitor before using it.
You can use this watch even as its capacitor is being charged by exposure to
bright light.
x Be sure to read “Power Supply” on page E-14 of this manual for important
information you need to know when exposing the watch to bright light.
E-1
Keep the watch exposed to bright light
Bright Light
Solar cell
E-2
The electricity generated by the solar cell of the watch is
stored by a built-in capacitor. Leaving or using the watch
where it is not exposed to light causes the capacitor to run
down. Make sure the watch is exposed to light as much as
possible.
When you are not wearing the watch on your wrist, position x
the face so it is pointed at a source of bright light.
You should try to keep the watch outside of your sleeve as x
much as possible. Charging is reduced signifi cantly if the
face is only partially covered.
Contents
General Guide .......................................................................................................... E-6
Timekeeping ............................................................................................................. E-8
Alarm ...................................................................................................................... E-10
Stopwatch .............................................................................................................. E-13
Power Supply ......................................................................................................... E-14
Specifi cations ........................................................................................................ E-19
E-4
General Guide
Press x B to change from mode to mode.
Pressing x B after performing some operations in any mode returns to the
Timekeeping Mode.
Timekeeping Mode Alarm Mode
About This Manual
Button operations are indicated using the letters shown x
in the illustration.
To ensure that this watch provides you with the years of x
service for which it is designed, be sure to carefully read
and follow the instructions under “Operating Precautions”
and “User Maintenance”.
Procedure Lookup
The following is a handy reference list of all the operational procedures contained in
this manual.
To set the time and date .........................................................................................E-9
To set the alarm time ............................................................................................. E-10
To stop the alarm ................................................................................................... E-11
To turn the Daily Alarm and Hourly Time Signal on and off .............................. E-12
To test the alarm .................................................................................................... E-12
To measure times with the stopwatch ................................................................. E-13
If you do not perform any operation for a few minutes in the Alarm Mode or Setting x
Screen, the watch automatically reverts to the Timekeeping Mode.
Stopwatch Mode Setting Screen
E-3
E-5
E-6
Timekeeping
Minutes
Hour Seconds
PM indicator
Day of week
Charge indicator
E-8
BB
In the Timekeeping Mode, press C to switch between
the 12-hour and 24-hour formats.
When the 12-hour format is selected, the indicator x PM
appears on the display to indicate “p.m.” times. There is
no indicator for “a.m.” times.
When the 24-hour format is selected, the indicator x 24H
appears on the display.
A charge indicator appears on the display of this watch x
when charging is required.
Day
B
B
To set the time and date
Flashing
While the seconds setting is selected (fl ashing), press 3. C to reset it to 00. If you
press C while the seconds setting is in the range of 30 to 59, the seconds are
reset to 00 and 1 is added to the minutes. If the seconds setting is in the range of
00 to 29, the minutes count is unchanged.
While any other setting is selected (fl ashing), press 4. C to increase the number.
Holding down x C changes the setting at high speed.
After you set the time and date, press 5. B to return to the Timekeeping Mode.
Press 1. B three times in the Timekeeping Mode to display
the setting screen.
Press 2. A to move the selection (fl ashing) in the following
sequence.
Seconds Hour Minutes
AA
AA
AA
E-7
MonthDayDay of week
E-9
Operation Guide 3262
Alarm
Hour Minutes
Mode indicator
Hourly time signal
on indicator
Alarm on indicator
E-10
To turn the Daily Alarm and Hourly Time Signal on and off
Press C while in the Alarm Mode to change the status of the Daily Alarm and Hourly
Time Signal in the sequence shown below.
Both ON Both OFF Daily Alarm
The alarm and hourly time signal indicator is displayed in all modes. x
To test the alarm
Hold down C while in the Alarm Mode to sound the alarm.
E-12
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.
To set the alarm time
Press 1. A while in the Alarm Mode. The hour digits fl ash
because they are selected.
At this time the alarm is automatically turned on. x
Press 2. A to change the selection in the following
sequence.
Daily Alarm and Hourly Time Signal on and off
A
A
CCC
Only
C
HourMinutes
Hourly Time
Signal Only
A
Power Supply
This watch works by light energy, so no battery is necessary. Light energy is
converted into electric energy by the solar cell and stored by the capacitor. The
illustration shown below shows how you should position the watch for charging.
Example: Orient the watch so its face
is pointing at a light source.
The illustration shows how to position x
a watch with a resin band.
Note that charging effi ciency drops x
when any part of the solar cell is
blocked by clothing, etc.
You should try to keep the watch x
outside of your sleeve as much
as possible. Charging is reduced
signifi cantly if the face is only partially
covered.
E-14
Solar cell
Charge indicator
Press 3. C to increase the selected digits. Holding down C changes the number at
high speed.
The format (12-hour and 24-hour) of the alarm time matches the format you select x
for normal timekeeping.
When setting the alarm time using the 12-hour format, take care to set the time x
correctly as morning or afternoon.
To stop the alarm
Press x A to stop the alarm after it starts to sound.
E-11
Stopwatch
1/100 second
Seconds
Minutes
Mode indicator
Important!
Storing the watch for long periods in an area where there is no light or wearing it in x
such a way that it is blocked from exposure to light can cause capacitor power to run
down. Make sure that the watch is exposed to bright light whenever possible.
This watch uses a special capacitor to store power produced by the solar cell, so x
regular capacitor replacement is not required. However, after very long use, the
capacitor may lose its ability to achieve a full charge. If you experience problems
getting the capacitor to charge fully, contact your dealer or CASIO distributor about
having it replaced.
Never try to remove or replace the watch’s capacitor yourself. Use of the wrong type x
of capacitor can damage the watch.
Charging Precautions
Certain charging conditions can cause the watch to become very hot. Avoid leaving
the watch in the areas described below whenever charging its capacitor. Also note
that allowing the watch to become very hot can cause its liquid crystal display to black
out. The appearance of the LCD should become normal again when the watch returns
to a lower temperature.
The Stopwatch Mode lets you measure elapsed time, split
times, and two fi nishes. The range of the stopwatch is
59 minutes, 59.99 seconds.
To measure times with the stopwatch
Elapsed time measurement
C C C C A
Start Stop Re-start Stop Clear
Split time measurement
C A A C A
Start Split Split release Stop Clear
Split time and 1st-2nd place times
C A C A A
Start Split
First runner
fi nishes.
Display time of
fi rst runner.
Stop
Second runner
fi nishes.
Split release
Display time of
second runner.
Clear
E-13
E-15
Warning!
Leaving the watch in bright light to charge its capacitor can cause it to become
quite hot. Take care when handling the watch to avoid burn injury.
The watch can become particularly hot when exposed to the following
conditions for long periods.
On the dashboard of a car parked in direct sunlight x
Too close to an incandescent lamp x
Under direct sunlight x
Charging light
The watch will start to work within about three seconds after it is exposed to light x
(such as indoor fl uorescent lighting). Set the time and calendar at this time.
Charge indicator “ x
If you continue to use the watch without exposing it to light after “ x
watch will stop functioning after about three days.
Take steps to charge the watch’s capacitor as soon as possible after “ x
See “Recovery Times” (page E-18) for details.
The daily alarm, hourly time signal, and other tones will not sound while “ x
the display. Also, display fi gures may become dim.
E-16
Recovery Times
The table below shows the amount exposure that is required to take the charge from
one level to the next.
” appears on the display when the capacitor charge level is low.
” appear, the
” appears.
” is on
Approximate Exposure Time
Exposure Level (Brightness)
From function
stoppage until
“
” disappears
To full charge
Outdoor sunlight (50,000 lux) 1 hour and a half 1 hour
Window sunlight (10,000 lux) 7 hours 5 hours
Window sunlight on cloudy day
(5,000 lux)
14 hours 9 hours
Indoor fl uorescent lighting (500 lux) 140 hours 90 hours
The above exposure time values are all for reference only. Actual required exposure x
times depend on lighting conditions.
E-18
Charging Guide
After a full charge, timekeeping remains enabled for up to about 14 days.
The following table shows the amount of time the watch needs to be exposed to light x
each day in order to generate enough power for normal daily operations.
Exposure Level (Brightness) Approximate Exposure Time
Outdoor sunlight (50,000 lux) 5 minutes
Window sunlight (10,000 lux) 24 minutes
Window sunlight on cloudy day (5,000 lux) 48 minutes
Indoor fl uorescent lighting (500 lux) 8 hours
For details about the capacitor operating time and daily operating conditions, see the x
“Power Supply” section of the Specifi cations on page E-19.
Stable operation is promoted by frequent charging. x
Specifi cations
Accuracy at normal temperature: ±30 seconds a month
Timekeeping: Hour, minutes, seconds, p.m. (PM), day, day of the week
Time system: Switchable between 12-hour and 24-hour formats
Calendar system: Auto-calendar set at 28 days for February
Alarm: Daily alarm; Hourly time signal
Stopwatch: Measuring unit: 1/100 second
Power Supply: Solar cell and a coin type capacitor
Measuring capacity: 59 minutes, 59.99 seconds
Measuring modes: Elapsed time, split time and two fi nishes
Approximate capacitor operating time: 14 days (from full charge to stopping of
watch operation) under the following conditions:
Watch not exposed to light x
Internal timekeeping x
20 seconds of alarm operation per day x
E-17
E-19
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