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Casio 2161 Manual De Usuario

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3. Press 
B
B
B
B
B
 to increase the selected number.  Holding down 
B
B
B
B
B
 changes the number
at high speed.
•
To set the starting value of the countdown time to 24 hours, set to 0:00' 00.
4. After you set the countdown time, press 
A
A
A
A
A
 to return to the Countdown Alarm Mode.
•
If you do not operate any button for a few minutes while a selection is flashing, the
flashing stops and the watch goes back to the Countdown Alarm Mode automatical-
ly.
To use the countdown timer
1. Press 
B
B
B
B
B
 while in the Countdown Alarm Mode to start the countdown timer.
2. Press 
B
B
B
B
B
 again to stop the countdown timer.
•
You can continue countdown timer operation by pressing 
B
B
B
B
B
.
3. Stop the timer and then press 
A
A
A
A
A
 until the countdown time is reset to its starting
value.
•
When the end of the countdown is reached and auto repeat timing is off, the alarm
sounds for 10 seconds or until you stop the alarm by pressing any button. Count-
down timing stops, and the countdown time is automatically reset to its starting
value after the alarm stops.
To switch auto repeat timing on and off
1. Press 
A
A
A
A
A
 while in the Countdown Alarm Mode. The hours
digit flashes on the display because it is 
selected.
2. Press 
D
D
D
D
D
 to switch auto repeat on and off.
3. Press 
A
A
A
A
A
 to return to the Countdown Alarm Mode.
•
When the end of the countdown is reached while auto
repeat is on, the alarm sounds, but the starting count-
down time is reset and countdown timing starts again
automatically whenever the countdown reaches zero.
You can stop timing by pressing 
B
B
B
B
B
, and manually reset
to the starting countdown time by pressing 
A
A
A
A
A
.
Current time
Mode indicator
1/100 second
Minutes
Seconds
STOPWATCH MODE
The Stopwatch Mode lets you measure elapsed time, split
times, and two finishes. The range of the stopwatch is 23
hours, 59 minutes, 59.99 seconds.
To measure elapsed time
1. Press 
B
B
B
B
B
 to start the stopwatch.
2. Press 
B
B
B
B
B
 to stop the stopwatch.
•
You can resume the measurement operation by press-
ing 
B
B
B
B
B
 again.
3. Press 
A
A
A
A
A
 to clear the stopwatch to all zeros.
•
For the first 60 minutes, the display shows minutes, sec-
onds, and 1/100 second. After 60 minutes, the display
format changes to show hours, minutes, and seconds.
To record split times
1. Press 
B
B
B
B
B
 to start the stopwatch.
2. Press 
A
A
A
A
A
 to display the timing up to that point. Stopwatch timing  continues internal-
ly.
3. Press 
A
A
A
A
A
 to clear the split time and to continue time measurement on the display.
•
You can repeat steps 2 and 3 as many times as you want.
4. Press 
B
B
B
B
B
 to stop the time measurement.
5. Press 
A
A
A
A
A
 to clear the stopwatch to all zeros.
To time first and second place finishes
1. Press 
B
B
B
B
B
 to start the stopwatch.
2. Press 
A
A
A
A
A
 when the first finisher crosses the line, and record the time.
3. Press 
B
B
B
B
B
 when the second finisher crosses the line.
4. Press 
A
A
A
A
A
 to display the finishing time of the second finisher.
5. Press 
A
A
A
A
A
 again to clear the stopwatch to all zeros.
COUNTDOWN ALARM MODE
The countdown timer can be set within a range of 1 sec-
ond to 24 hours.  When the countdown reaches zero, an
alarm sounds for 10 seconds or until you press any but-
ton.
To set the countdown time
1. Press 
A
A
A
A
A
 while in the Countdown Alarm Mode. The hours
digit flashes on the display because it is 
selected.
2. Press 
C
C
C
C
C
 to change the selection in the following se-
quence.
Seconds
Minutes
Hours
Current time
Minutes
Hours
Mode indicator
Seconds
Auto repeat on indicator