Casio 3H3EDB User Manual

MA0909-EA

Operation Guide ANA (3H3EDB)

• Be sure to keep all user documentation handy for future reference.

• Your watch may differ somewhat from the one shown in the illustration.

Stopwatch hours

Using the Stopwatch

The stopwatch lets you measure elapsed time up to 11 hours, 59 minutes, 59 seconds. You can also correct the position of the stopwatch second hand when necessary.

• The illustration shows a time of 2 hours, 20 minutes, 40 seconds.

• Do not try to perform stopwatch operations while the crown is pulled out either to

To measure elapsed time

1. Press A to start the stopwatch.

2. Press A to stop the stopwatch.

3. Press B to reset the stopwatch.

Adjusting the Stopwatch Second Position

Use of the stopwatch can cause the starting positions of the stopwatch minute hand and second hand to become misaligned. Use the following procedures 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

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

5. After making the adjustments you want, push the crown back in to its normal position.

• Note that pulling the crown out also stops the timekeeping second hand. After

Stopwatch minutes

Hour

Minutes

First click (setting day)

Second click (setting time)

Day

Seconds

Stopwatch seconds

the first or second click. If you try to press a button, you might accidentally cause the crown to rotate and change the current time or day setting.

• You can resume the measurement operation by pressing A again.

hand and second hand.

stopwatch hour hand and stopwatch minute hand are also misaligned, press B so the stopwatch minute hand jumps to 0.

performing the above procedure, you should also adjust the timekeeping setting.

Crown (normal position)

To set the time

1. Pull out the crown to the second click.

• This causes 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.

Push the crown back in to the normal position to restart timekeeping.

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).

■ For a watch with an elapsed time bezel Rotate the elapsed time bezel to align the minute hand. After certain amount of time elapsed, read the graduation on the elapsed time bezel which the minute hand points to. The elapsed time is indicated.

• 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.

• Also note that such watches are not water resistant while

their crowns are loosened. Be sure to screw the crowns back in as far as they will go after making any setting.

mark with the

Elapsed time bezel

Specifications

Accuracy at normal temperature: ± 20 seconds a month Display: 3 analog hands (timekeeping hour and minutes, stopwatch seconds),

3 dials (timekeeping seconds, stopwatch hours and minutes), day

Stopwatch function: Measuring capacity: 11:59'59''/Measuring unit: 1 second

Battery: One silver oxide battery (Type: SR927W)

Approximately 2 years on type SR927W (assuming one stopwatch operation 60 min./day)

Measuring modes: Elapsed time