To Enter And Exit The Stopwatch Mode; To Perform An Elapsed Time Operation; To Perform Fl Yback Timing; Using The Countdown Timer - Casio 5311 Operation Manual

Operation Guide 5311

To enter and exit the Stopwatch Mode

In the Timekeeping Mode, press C twice to enter the Stopwatch Mode.
The b Lower Dial Hand will move to ST.

To perform an elapsed time operation

A A A
Start Stop (Restart)
To perform fl yback timing
Pressing B while an elapsed time operation is in progress performs zero reset and
immediately resumes timing from there. You can do this as many times as you want.
A B B
. . . . .
Start 1 Start 2 Start 3
An ongoing elapsed time measurement operation is not affected by pulling out the
crown.
E-70

Using the Countdown Timer

The countdown timer can be confi gured within a range of one minute to 60 minutes.
An alarm sounds for about 10 seconds when the timer reaches zero.
Hands and Indicators
x Second Hand: Indicates countdown or elapsed
c Minute Hand: Indicates countdown or elapsed minutes.
b Lower Dial Hand: Points to TR.
All hands move counterclockwise during a countdown.
E-72
To perform a countdown timer operation
A A
Start Stop
A time-up alert sounds for 10 seconds when the countdown reaches 0, and then
the timer displays the start time.
The alarm will not sound if battery power is low.
Pulling out the crown while a countdown is in progress will stop the countdown and
enter the countdown start time setting mode.
Important!
Time calibration signal reception is disabled while the watch is in the Countdown
Timer Mode.
To stop the alarm
Press any button.
E-74

To change the alarm time setting

1. In the Timekeeping Mode, press C four times to enter the Alarm Mode.
The b Lower Dial hand will move to AL.
2. Pull out the crown to enter the alarm setting mode.
If you do not perform any operation with the crown for about two minutes after
pulling it out, crown operations will become disabled and the watch hands will no
longer move when you rotate the crown. If this happens, push the crown back in
and then pull it out again.
You can toggle between the hour and minute setting mode, and the hour only
setting mode by pressing C.
C
Hour/Minute
3. Rotate the crown to set the alarm time.
The z Hour Hand will also move.
E-76

To turn the alarm on or off

In the Alarm Mode, press A to toggle the alarm between on and off. The x Second
Hand will indicate the current ON/OFF setting.
Note
The alarm will not sound if battery power is low.
The alarm will not sound if the watch is in the Power Saving sleep state.
To stop the alarm
Press any button.
E-78
A B
(Stop) Zero Reset
A B
Stop Zero Reset
seconds.
B
Zero Reset
Hour
The x Second Hand, which indicates the 1/20 (0.05)-second count during
stopwatch operation, moves only 30 seconds after an elapsed time measurement
operation is started or restarted. After that, the x Second Hand stops.

To specify the countdown start time

1. In the Timekeeping Mode, press C three times to enter
the Countdown Timer Mode.
The b Lower Dial Hand will move to TR.
2. In the Countdown Timer Mode, pull out the crown. This
enters the countdown start time setting mode.
If you do not perform any operation with the crown for
about two minutes after pulling it out, crown operations
will become disabled and the hand will not move if
you rotate the crown. If this happens, push the crown
back in and then pull it out again.
3. Rotate the crown to set the countdown start time.
The maximum countdown start time setting is
60 minutes. To set a countdown start time of
60 minutes, move the c Minute Hand to 12 o'clock.
See "Using the Crown" (page E-4) for information about
high-speed hand movement.

Using the Alarm

When the alarm is turned on, an alarm will sound for about 10 seconds each day
when the time in the Timekeeping Mode reaches the preset alarm time. This is true
even if the watch is not in the Timekeeping Mode.
Hands and Indicators
z Hour Hand: Indicates the currently set alarm time hour.
x Second Hand: Indicates the current alarm ON/OFF
c Minute Hand: Indicates the currently set alarm time
v Upper Dial Hand: Indicates the hour setting of the
b Lower Dial Hand: Points to AL.
See "Using the Crown" (page E-4) for information about high-speed hand
movement.
4. Press C to switch to the hour setting mode.
The z Hour Hand will move slightly left and right to indicate the z Hour Hand
setting mode.
Check the 24-hour time indicated by the v Upper Dial Hand to see if the current
setting is a.m. or p.m.
5. Rotate the crown to adjust the hour setting only.
See "Using the Crown" (page E-4) for information about high-speed hand
movement.
6. After the setting is the way you want, push the crown back in to exit the alarm
setting mode.
The alarm always works based on the time kept in the Timekeeping Mode.
The watch will return to the Timekeeping Mode automatically if you do not
perform any operation in the Alarm Mode for about two or three minutes.
Adjusting Home Positions
Strong magnetism or impact can cause the hands and/or day indicator setting to be
off, even if the watch is able to perform the time calibration signal receive operation.
Auto Home Position Adjustment
Auto correction of hand home positions corrects the hand position automatically.
Auto correction is performed in the Timekeeping Mode only.
Auto correction corrects the positions of all hands. For the day Indicator, you must
perform the manual adjustment procedure under "To adjust home positions" (page
E-81).
If the v Upper Dial Hand is 12 hours off of the current correct time, correct the
setting using the procedure under "To adjust home positions" (page E-81).
E-71
E-73
setting.
minute.
current alarm time in 24-hour format.
E-75
E-77
E-79