Operation Guide 5240
ξThe x Second Hand, which indicates the 1/20
stopwatch operation, moves only 30 seconds after an elapsed time measurement operation is started or restarted. After that, the x Second Hand stops.
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 seconds.
c Minute Hand: Indicates countdown or elapsed minutes.
b Lower Dial Hand: Points to TR.
ξ All hands move counterclockwise during a countdown. | |
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To specify the countdown start time
1.In the Timekeeping Mode, press Cthree times to enter the Countdown Timer Mode.
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| ξ The b Lower Dial Hand will move to TR. |
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| 2. In the Countdown Timer Mode, pull out the crown. This |
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| enters the countdown start time setting mode. |
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| ξ If you do not perform any operation with the crown for | |
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| about two minutes after pulling it out, crown operations |
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| will become disabled and the hand will not move if |
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| you rotate the crown. If this happens, push the crown |
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| back in and then pull it out again. |
3.Rotate the crown to set the countdown start time.
ξThe 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.
ξSee “Using the Crown” (page
To perform a countdown timer operation
A 
A 
B
Start | Stop | Zero Reset |
ξA
ξThe alarm will not sound if battery power is low.
ξPulling out the crown while a countdown is in progress will stop the countdown and enter the countdown start time setting mode.
Important!
ξTime calibration signal reception is disabled while the watch is in the Countdown Timer Mode.
To stop the alarm
Press any button.
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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
zHour Hand: Indicates the currently set alarm time hour.
| x Second Hand: Indicates the current alarm ON/OFF |
| setting. |
| c Minute Hand: Indicates the currently set alarm time |
minute. | |
| v Upper Dial Hand: Indicates the hour setting of the |
| current alarm time in |
| b Lower Dial Hand: Points to AL. |
To change the alarm time setting
1.In the Timekeeping Mode, press Cfour times to enter the Alarm Mode.
ξThe b Lower Dial hand will move to AL.
2.Pull out the crown to enter the alarm setting mode.
ξIf 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.
ξYou can toggle between the hour and minute setting mode, and the hour only setting mode by pressing C.
C
Hour/Minute | Hour |
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3.Rotate the crown to set the alarm time.
ξThe z Hour Hand will also move.
ξSee “Using the Crown” (page
4.Press Cto switch to the hour setting mode.
ξThe z Hour Hand will move slightly left and right to indicate the z Hour Hand setting mode.
ξCheck the
5.Rotate the crown to adjust the hour setting only.
ξSee “Using the Crown” (page
6.After the setting is the way you want, push the crown back in to exit the alarm setting mode.
ξThe alarm always works based on the time kept in the Timekeeping Mode.
ξThe 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.
To turn the alarm on or off
In the Alarm Mode, press Ato toggle the alarm between on and off. The x Second Hand will indicate the current ON/OFF setting.
Note
ξThe alarm will not sound if battery power is low.
ξThe alarm will not sound if the watch is in the Power Saving sleep state.
To stop the alarm
Press any button.
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.
ξAuto correction is performed in the Timekeeping Mode only.
ξAuto correction corrects the positions of all hands. For the day Indicator, you must perform the manual adjustment procedure under “To adjust home positions” (page
ξIf 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
ξAuto correction of the b Lower Dial Hand is performed once a day in the middle of the night, while the watch is in the sleep state (page
Manual Home Position Adjustment
Perform the procedure in this section if auto home position adjustment is not possible for some reason.
ξHand home position adjustment is not required if the time and day settings are correct.
Note
ξAny time after you enter the home position adjustment mode in step 2 of the following procedure, you can return to the Timekeeping Mode by pushing the crown back in. In this case, any adjustments you made before the watch returned to the Timekeeping Mode will be applied.
ξIf you do not perform any operation with the crown for about two minutes after pulling it out, crown operations will become disabled and hands will not move if you rotate the crown. If this happens, push the crown back in and then pull it out again.