Casio MA1212-EA User Manual

MA1212-EA
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Operation Guide 5345
Your watch may differ somewhat from the one shown in the illustration. x Some models may use a combination of hands and rotating disks to indicate x information. The word “hand” in this section is used to mean both analog hands and rotating disks.
Stopwatch 1/10-Second Hand
Hour Hand
Stopwatch Minute Hand
Second Hand
Stopwatch Second Hand
Stopwatch functions
To adjust the time setting
When the second hand is at 12 o’clock, pull the Click 2.
Rotate the Crown to change the time setting.
Push the Crown back in.
Note
Take care that you set the correct AM
x
or PM time. When changing the time, move the
x
minute hand four or fi ve minutes past your fi nal setting, and then back it up to the setting you want.
Crown Operations
Some water-resistant models (100 meters, 200 meters) have a screw-in crown. When you need to perform a crown operation, rotate it towards you to unscrew it. Then pull the crown out. Avoid applying undue force when pulling. The watch loses its water resistance while the crown is unscrewed. After performing a crown operation, fully screw the crown back in.
If your watch has a rotary bezel...
You can rotate the bezel to align its ▼ mark with the minute hand. Then you will be able to tell how much time has elapsed since aligning the ▼ mark.
Crown out to
Minute Hand
A
Click 2
Click 1

B
Crown
Day Indicator
To change the day indicator setting
Rotate the Crown to set the day.
Push the Crown back in.
Note
The day indicator setting uses a 31-
x
day month. Make adjustments for months of shorter lengths. Avoid changing the day indicator
x
setting between the hours of 9 p.m. and 1 a.m. Otherwise, the day indicator may not change correctly at midnight.
Start
Elapsed time
Current
Crown
Loosen
Using the Stopwatch
The stopwatch measures elapsed time in 1/10-second increments up to 59 minutes,
59.9 seconds.
Elapsed time
A
Start Stop Re-start Stop Reset
Split time
A
Start Split Split release Stop Reset
Two fi nishes
A
Start Split
Important!
Do not operate the stopwatch with the crown pulled out.
x
Note
An elapsed time operation will stop automatically at the end of 60 minutes.
x
A
B
B
First runner fi nishes. Display time of fi rst runner.
A A
B A
A B
Stop
Second runner fi nishes.
Split release
Display time of second runner.
B
B
B
Reset
Correcting the 0 Positions of the Hands
Perform the following procedure if the stopwatch hands do not return to their 0 (zero) positions when you reset the stopwatch.
Press A to move the
Holding down x A will move the hand at high speed.
Press B to move the
Holding down
x B will move the hand at high speed. x
The
Stopwatch Minute Hand
After all of the hands are the way you want, push the Crown back in.
Important!
Timekeeping stops while the crown is pulled out. Correct the current time setting
x
after performing the above operation.
Stopwatch 1/10-Second Hand
Stopwatch Second Hand
is synchronized with the
clockwise.
clockwise.
Stopwatch Second Hand
Specifi cations
Accuracy: ±20 seconds average per month Stopwatch: Measuring Capacity: 59'59.9" (60 minutes)
Battery: One silver oxide battery (Type: SR920SW) Battery Life: Approximately 2 years (60 minutes stopwatch operation per day)
Measuring Unit: 1/10 second Measurements: Elapsed time; split time; two fi nishes
.
1
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