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Casio 5240 Operation Manual

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MA1307-EC
About This Manual
E-2
To unlock the crown
Rotate the crown so the groove aligns with Mark 1.
To pull out, rotate, or push the crown in
Important!
Before performing any of these operations, fi rst unlock the crown.
The illustrations below show the different crown operations.
Pull out
When rotating the crown to move the hands of the watch, you can use the operations
described below to move the hands at high speed. There are two high-speed hand
movement speeds. High-speed 2 is the fastest.
E-4
Things to check before using the watch
1. Hold down C at least two seconds to enter the Timekeeping Mode, and
then observe the movement of the x Second Hand.
Is the x Second Hand moving smoothly at one-second intervals?
Is the x Second Hand moving at
two-second intervals or is it stopped
completely?
Power is low. Charge the watch by
placing it in a location where it is
exposed to light. For details, see
"Charging the Watch" (page E-12).
E-6
Contents
E-2
About This Manual
E-3
Using the Crown
E-3
To lock the crown
E-4
To unlock the crown
E-4
To pull out, rotate, or push the crown in
E-6
Things to check before using the watch
E-12 Charging the Watch
E-17
To recover from the sleep state
E-18 Radio Controlled Atomic Timekeeping
E-23
To get ready for a receive operation
E-26
To perform manual receive
E-27
To check the result of the latest receive operation
E-28
To turn auto receive on and off
E-8
Operation Guide 5240
Operations are performed using the watch's crown, and
the three buttons indicated by the letters A, B and C in
this manual.
Hands and Indicators
z Hour Hand
x Second Hand
c Minute Hand
v Upper Dial Hand: Indicates a time, in 24-hour format,
depending on the current mode.
b Lower Dial Hand: Indicates the current mode.
n Day Indicator
This User's Guide uses numbers shown above to identify
watch hands and indicator.
Rotate
Push in
NO
YES
The watch is charged. For details
about charging, see "Charging
the Watch" (page E-12).
YES
NEXT
Go to step 2.
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.
This watch does not have a city code that corresponds to the UTC offset of –3.5
hours. Because of this, the radio-controlled atomic timekeeping function will not
display the correct time for Newfoundland, Canada.
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.
Using the Crown
This watch has a lock-type crown.
Important!
You should normally have the crown locked during normal daily use. Leaving the crown
unlocked creates the risk of unintended operations or even damage due to impact.
To lock the crown
Mark 1
1.
Push the crown back in (see "To pull out, rotate, or push the
crown in" below).
Note that attempting to lock the crown when it is not
Groove
pushed in can cause unexpected watch operation.
2.
Rotate the crown so the groove is aligned with Mark 1.
3.
While pushing in on the crown (a), rotate it to the right (b) so
Mark 2
the groove aligns with Mark 2.
4.
Gently pull on the crown to make sure it is securely locked
and does not come out.
High-speed 1
High-speed 2
After starting the High-
With the crown pulled out,
speed 1 operation, rotate
rotate it rapidly away from
the crown rapidly away
you three times.
from you three more times.
Note
If you do not perform any operation for more than two minutes after pulling out the
crown, crown operations will become disabled automatically. If this happens, push
the crown back in and then pull it out again to re-enable crown operations.
You can use high-speed hand movement when confi guring time settings in the
Timekeeping Mode, Alarm Mode, or Countdown Timer Mode.
High-speed hand movement is forward only. There is no high-speed backward
hand movement.
2. Check the Home City.
Use the procedure under "To confi gure Home City settings" (page E-34) to confi gure
your Home City.
Important!
Proper time calibration signal reception depends on correct Home City, time, and
day settings in the Timekeeping Mode. 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-23).
To set the time manually
See "Confi guring Current Time and Day Settings Manually" (page E-39).
The watch is now ready for use.
For details about the watch's radio controlled timekeeping feature, see "Radio
Controlled Atomic Timekeeping" (page E-18).
E-30 Mode Reference Guide
E-31
To determine the watch's current mode
E-31
To return to the Timekeeping Mode from any other mode
E-32
To select a mode
E-33 Timekeeping
E-34 Confi guring Home City Settings
E-34
To confi gure Home City settings
E-37
To switch between standard time and summer time manually
E-39 Confi guring Current Time and Day Settings Manually
E-39
To change the current time setting manually
E-42
To change the current day setting manually
E-46 Thermometer
E-47
To take a temperature reading
E-48
To switch a temperature reading unit between Celsius (°C) and
Fahrenheit (°F)
ENGLISH
E-1
E-3
High-speed Cancel
Rotate the crown towards
you or press any button.
E-5
E-7
E-9

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  Summary of Contents for Casio 5240

  • Page 1 Because of this, the radio-controlled atomic timekeeping function will not display the correct time for Newfoundland, Canada. 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.
  • Page 2: Charging The Watch

    Operation Guide 5240 E-52 Temperature Reading Precautions E-67 To stop the alarm E-53 Checking the Current Time in a Different Time Zone E-68 Adjusting Home Positions E-54 To view the time in another time zone E-70 To adjust home positions...
  • Page 3 Operation Guide 5240 Approximate Reception Ranges Japanese Signals Chinese Signal UK and German Signals North American Signal Fukushima 500 kilometers Changchun 500 kilometers Beijing Anthorn 2,000 miles Shangqiu Fukuoka/Saga (3,000 kilometers) Shanghai 500 kilometers Chengdu 600 miles Hong Kong (1,000 kilometers)
  • Page 4: Mode Reference Guide

    Operation Guide 5240 Selecting a Mode Mode Reference Guide With this watch, everything starts from the Timekeeping Mode. Your watch has fi ve “modes”. The mode you should select depends on what you want to do. To determine the watch’s current mode...
  • Page 5 Operation Guide 5240 Rotate the crown to adjust the time (hour and minute) setting. Change the Home City settings, if you want. See “Using the Crown” (page E-3) for information about high-speed hand For details about these settings, see steps 2 and 3 movement.
  • Page 6: Temperature Reading Precautions

    Operation Guide 5240 Important! Important! To cancel a temperature reading correction setting, hold down A and B at the The watch will not be able to produce correct temperature readings if you make a mistake during the correction procedure. Check to make sure that the value you same time.
  • Page 7: Using The Countdown Timer

    Operation Guide 5240 The x Second Hand, which indicates the 1/20 (0.05)-second count during Using the Countdown Timer stopwatch operation, moves only 30 seconds after an elapsed time measurement operation is started or restarted. After that, the x Second Hand stops.
  • Page 8: Troubleshooting

    Operation Guide 5240 To adjust home positions Press This enters the n Day Indicator home position Pull out the crown. adjustment mode. B for at least fi ve seconds until the watch Hold down n Day Indicator to confi rm that it is 1, which beeps and the x Second Hand moves to 12 o’clock.
  • Page 9: Specifications

    Operation Guide 5240 ■ Signal reception is being performed successfully, but the time and/or day is World Time wrong. ■ The indicated World Time is wrong. Possible Cause Remedy Page There is a problem with your Home City settings. Check your Home City settings.