Casio QW 5531, Operation Manual, Page: 17 / 26

Stopwatch
The stopwatch measures elapsed time in units
of one second up to 23 hours, 59 minutes, 59
seconds (24 hours).
Getting ready
Enter the Stopwatch Mode.
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Navigating Between Modes
30
Measuring Elapsed Time
30
Seconds
Minutes Hours
Hour (24-hour time)
1.
Use the operations below to measure
elapsed time.
A
A
A
A
Stop
Resume
Stop
Start
2.
Press (B) to reset the elapsed time to all
zeros.
3.
Press (C) three times to return to the
Timekeeping Mode.
Timer
The timer counts down from a start time
specified by you. A beeper sounds when the
end of the countdown is reached.
●
The beeper is muted in the cases described
below.
ー
When battery power is low
Getting ready
Enter the Timer Mode.
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Navigating Between Modes
30
Setting the Timer Start Time
1.
Pull out the crown to the first click.
2.
Rotate the crown to change the
countdown start time setting.
●
The countdown start time can be set in
1-minute units up to 24 hours.
30
Crown
Seconds
Minutes Hours
Hour (24-hour time)
3.
Push the crown back in.
Note
●
When the small hour hand and small
minute hand are at 12 o’clock, a
countdown start time of 24 hours is
specified.
Using the Timer
1.
Press (A) to start the countdown.
30
A beeper sounds when the end of the
countdown is reached.
●
To pause an ongoing countdown, press
(A). To reset a paused countdown to the
start time, press (B).
2.
Press any button to stop the tone.
3.
Press (C) twice to return to the
Timekeeping Mode.
Alarms
The watch will beep when the alarm time is
reached.
●
The beeper is muted in the cases described
below.
ー
When battery power is low
ー
When watch is at Level 2 power saving
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Power Saving
Getting ready
Enter the Alarm Mode.
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Navigating Between Modes
30
Operation Guide 5531
17