Casio 5251(OC) Operation Manual

MA1112-EA
About this manual
Operations are performed using the watch's crown and the A button.
Hand Functions
z z Hour Hand
x x Second Hand
c c Minute Hand
v v Day Indicator
This User's Guide uses numbers shown above to identify watch hands and
indicators.
Important!
The A button is designed to protect against accidental pressing. Use a thin
pointed object to press the depression of the button to operate it.
In the illustrations in this manual, the A button is emphasized for ease of
understanding.
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Crown Operations
The crown can be pulled out to one of two (click) positions. Never apply undue force when pulling out the
crown.
Important!
When pulling out the crown, avoid using undue force, which creates the risk of personal injury to your
fi ngers and fi ngernails, and of watch malfunction.
First click
For selecting the location setting
Second click
For confi guring time, date and other settings
Note
When you push the crown back in from the fi rst click, the x Second Hand will perform movement that
indicates whether the watch's battery requires charging before resuming regular timekeeping. See
"Charging Guide" (page E-12).
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Things to check before using the watch
1. Observe the movement of the x Second Hand.
Is the x Second Hand moving smoothly at one-second intervals?
NO
x x Second Hand moving in the following pattern.
1 second 1 second 2 seconds
NO
Is the x Second Hand moving at
two-second intervals or is it stopped
completely?
YES
Battery is low. Battery is starting to go low.
Charge the watch by placing it in a location where it is exposed to light. For details, see "Charging the
Watch" (page E-10).
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Operation Guide 5251 (OC)
YES
The watch is charged. For details about charging,
see "Charging the Watch" (page E-10).
NEXT
Go to step 2.
YES
Congratulations upon your selection of this CASIO watch.
Note that the product illustrations in this manual are intended for reference only, and so the actual product
may appear somewhat different than depicted by an illustration.
Note that CASIO COMPUTER CO., LTD. assumes no responsibility for any damage or loss suffered by
you or any third party arising through the use of this product or its malfunction.
About the face
The following explains the meanings of the markings on the watch's face.
1. Y (YES)/N (NO): Time calibration signal reception result
Y (YES): Successful
N (NO): Unsuccessful
See "To check the result of the latest receive operation" (page E-21).
2. RC: Receive in progress
See "To perform manual receive" (page E-20).
3. A (AM)/P (PM): AM and PM indications when setting the time
See "To set the time manually" (page E-24).
4. CN (HKG, HONG KONG)/OFF/JP (TYO, TOKYO):
Signal reception location
See "Radio Controlled Atomic Timekeeping" (page E-16).
High-speed Forward and Reverse Movement
While the crown is pulled out, rotating it more than one full turn either way will
cause the hands or Day indicator to start to move at high speed. High-speed
movement will continue even if you release the crown.
High-speed Cancel
Rotate the crown in the reverse direction of the movement or press the A
button.
Note
Leaving the crown pulled out for more than two minutes without performing any operation will
automatically cause the setting operation to become disabled. If this happens, press the crown back in
and then pull it out again to confi gure settings.
High-speed movement can be used when setting the current time (page E-24) and when performing
home position adjustment (page E-29).
2. Check the current location settings.
Use the procedure under "Confi guring Time and Date Settings" (page E-22) to confi gure your location
settings.
Important!
Proper time calibration signal reception and time settings depend on correct location setting. Make
sure you confi gure these settings correctly.
3. Set the current time.
To set the time using a time calibration signal
See "To get ready for a receive operation" (page E-18).
To set the time manually
See "Confi guring Time and Date Settings Manually" (page E-24).
The watch is now ready for use.
For details about the watch's radio controlled timekeeping feature, see "Radio Controlled Atomic
Timekeeping" (page E-16).
ENGLISH
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