Casio Watch MA1107 EB User Manual

MA1107-EB  
Operation Guide 5211  
Your watch may differ somewhat from the one shown in the illustration.  
Minutes  
Stopwatch seconds  
Hour  
Day-night indicator  
(disk)  
First click  
(Day setting)  
Stopwatch  
minutes  
Second click  
(Time setting)  
Crown  
(Normal position)  
Day  
Seconds  
The day-night indicator performs one rotation every 24 hours. A day sky image is  
shown during the day and a night sky image is shown at night.  
To set the time  
1. Pull out the crown to the second click.  
This will cause the second hand to stop.  
2. Set the hands by rotating the crown. Move the minute hand four or five minutes  
past the time you want to set, and then back it up to the proper setting.  
Carefully set the time, making sure to distinguish between AM and PM.  
3. Push the crown back in to the normal position to restart timekeeping.  
This will cause the second hand to restart.  
To set the day  
1. Pull out the crown to the first click.  
2. Set the day by rotating the crown.  
3. Push the crown back in to the normal position.  
Avoid setting the day between 9:00 p.m. and 1:00 a.m. (the day display may not  
change in the following day).  
Using the Stopwatch  
The stopwatch lets you measure elapsed time up to 59 minutes, 59 seconds. You  
can also correct the position of the stopwatch second hand when necessary.  
To measure elapsed time  
1. Press A to start the stopwatch.  
2. Press A to stop the stopwatch.  
You can resume the measurement operation by pressing A again.  
3. Press B to reset the stopwatch.  
Notes  
The stopwatch second hand will continue moving until you stop it. Be sure  
to stop and reset the stopwatch after you are finished using it. Leaving the  
stopwatch running will run down the watch’s battery.  
Adjusting the Stopwatch Second and Minute Hand Positions  
Use of the stopwatch can cause the starting positions of the stopwatch minute  
hand and second hand to become misaligned. Use the following procedure to  
check hand alignment and to adjust the positions of the hands so they point to  
12 o’clock when the stopwatch is reset.  
To adjust the positions of the stopwatch hands  
1. Press B to reset the stopwatch, and check the alignment of the stopwatch  
minute hand and second hand.  
2. Pull out the crown to the second click.  
3. Press A to move the stopwatch second hand forward until it points to  
12 o’clock.  
4. If the stopwatch minute hand is aligned correctly, proceed to step 5. If the  
stopwatch minute hand is also misaligned, press B so the stopwatch minute  
hand jumps to 60.  
5. After making the adjustments you want, push the crown back in to its normal  
position.  
Note that pulling the crown out also stops hour and minute hands. After  
performing the above procedure, you should also adjust the timekeeping setting.  
For a watch with an elapsed time bezel  
Rotate the elapsed time bezel to align the  
minute hand.  
mark with the  
After that, you will be able to determine how much time has  
elapsed since you adjusted the bezel position by checking the  
bezel value that the minute hand is currently pointing to.  
Elapsed time bezel  
Some water resistant models are equipped with a screw  
lock crown.  
With such models, you must unscrew the crown in the  
direction noted in the illustration to loosen it before you can  
pull it out. Do not pull too forcibly on such crowns.  
Note that a screw lock crown watch is not water resistant  
while its crown is loose. Be sure to screw the crown back in  
as far as it will go after configuring settings.  
Specifications  
Accuracy at normal temperature: 20 seconds a month  
Display: 3 analog hands (timekeeping hour and minutes, stopwatch seconds),  
3 dials (stopwatch minutes, day-night indicator, timekeeping seconds), day  
Stopwatch function: Measuring capacity: 59 minutes, 59 seconds  
Measuring unit: 1 second/Measuring mode: Elapsed time  
Battery: One silver oxide battery (Type: SR626SW)  
Approximately 2 years on type SR626SW (assuming one stopwatch operation 60 minutes  
per day)  
1
 

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