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Casio 5242 Operation Manual

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MO1205-EA
About This Manual
Operations are performed using the watch's crown, and the four buttons
indicated by the letters A, B, C and L in this manual.
Crown
Crown
Hands and Date Indicator
z Hour Hand
x Minute Hand
c Second Hand
30
30
v Mode Hand (Indicates the day of the week in the Timekeeping Mode.)
b Day Indicator
This User's Guide uses the numbers shown above to identify watch
hands and indicators.
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.
E-2
To pull the crown out
After loosening the crown, pull it out.
The watch will beep when you pull the crown out.
To rotate the crown
Rotating the crown after you pull it out will move the watch's hands. You also can
move the hands at high speed by performing the operation described below.
To start high-speed hand movement
With the crown pulled out, rotate the crown more than once in the direction that you
want to move the hands. When you release the crown, the hands will start to move at
high speed.
To stop high-speed hand movement
Rotate the crown towards you or press any button.
Note
High-speed hand movement is available in the Timekeeping Mode, when setting a
time in the Alarm Mode, and when correcting day indicator settings.
E-4
Things to check before using the watch
1. With the crown locked, hold down B for at least two seconds to enter the Timekeeping Mode.
Observe the movement of the c Second Hand.
Is the c Second Hand moving smoothly at one-second intervals?
NO
Is the c Second Hand jumping at two-second intervals
or is it stopped completely?
YES
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-11).
2. Check the Home City.
Use the procedure under "To confi gure Home City settings" (page E-27) to confi gure your Home City.
Important!
Proper time calibration signal reception depends on correct Home City, time, and date settings. Make
sure you confi gure these settings correctly.
E-6
Operation Guide 5242
YES
The watch is charged. For details about
charging, see "Charging the Watch"
(page E-11).
NEXT
Go to step 2.
Congratulations upon your selection of this CASIO watch.
Applications
Built-in sensors are used to take direction, barometric pressure, temperature, and altitude readings, which
are displayed by the hands of the watch. Such features make this watch useful when hiking, mountain
climbing, or when engaging in other such outdoor activities.
The measurement functions built into this watch are not intended for taking measurements that
require professional or industrial precision. Values produced by this watch should be considered
as reasonable representations only.
When engaging in mountain climbing or other activities in which losing your way can create a
dangerous or life-threatening situation, always use a second compass to confi rm direction readings.
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
You can use the crown to perform a number of different operations, and to change the settings of the
watch.
To lock the crown
To lock the crown, gently push in as you rotate it away from you. Lock the crown fi rmly
by rotating until its inner ring is no longer visible.
Outer ring
Outer ring
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 unlock the crown
Rotate the crown towards you until it is completely loosened. When the crown is
loosened completely, you will be able to see its inner ring as shown in the nearby
illustration.
Inner ring
Inner ring
To push the crown in
Push the crown back in.
The watch will beep when you push the crown back in.
Note
If you do not perform any operation for about two or three 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.
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 Current Time and Date Settings Manually" (page E-31).
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).
Warning !
ENGLISH
E-1
E-3
E-5
E-7

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  Summary of Contents for Casio 5242

  • Page 1 • 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 5242 Contents E-27 Confi guring Home City Settings E-27 To confi gure Home City settings E-29 To select Auto or Manual Standard Time/Daylight Saving Time Switching About This Manual E-31 Confi guring Current Time and Date Settings Manually...
  • Page 3: Radio Controlled Atomic Timekeeping

    Operation Guide 5242 Approximate Reception Ranges Radio Controlled Atomic Timekeeping UK and German Signals North American Signal This watch receives a time calibration signal and updates its time setting accordingly. However, when using the watch outside of areas covered by time calibration signals, you will have to adjust the settings manually as required.
  • Page 4: Confi Guring Home City Settings

    Operation Guide 5242 Selecting a Mode Note • The illustration below shows which buttons you need to press to navigate between modes. • The Digital Compass Mode and Altimeter Mode can be entered only from the Timekeeping Mode. To return to the Timekeeping Mode from any other mode, hold down B for about two seconds.
  • Page 5: Taking Direction Readings

    Operation Guide 5242 To change the current date setting manually Home City/DST 1. In the Timekeeping Mode, loosen the crown and then pull it out. This will cause the c c Second Hand to move to the city code of the •...
  • Page 6: Taking Altitude Readings

    Operation Guide 5242 Using the Compass While Mountain Climbing or Hiking Compass Precautions Magnetic North and True North Having an idea of your current location and your destination is essential when mountain climbing or hiking. True north True north To do this, you need to “set the map”, which means to align the map so the directions indicated on it are There are actually two types of north: magnetic north and true north.
  • Page 7 Operation Guide 5242 How does the altimeter work? • Note that the following conditions will prevent you from obtaining accurate readings: When air pressure changes because of changes in the weather Generally, air pressure and temperature decrease as altitude increases. This watch bases its altitude...
  • Page 8: Taking Temperature Readings

    Operation Guide 5242 Calibrating the Barometric Pressure Sensor Reading 2. Rotate the crown to move the hands so they match the barometric pressure reading produced by another instrument. The pressure sensor of this watch is adjusted at the factory and so further adjustment is not required by Rotating the crown causes the c c Second Hand to move in 1 hPa •...
  • Page 9: Using The Stopwatch

    Operation Guide 5242 Using the Stopwatch 3. Rotate the crown to set the alarm time. • With the crown pulled out, rotate the crown more than once in the direction that you want to move the hands. When you release the crown, the x x Minute Hand will start to move at high speed. Note The stopwatch measures elapsed time in units of 1 second up to 11 hours, 59 minutes, 59 seconds.
  • Page 10: Troubleshooting

    The watch probably is not suffi ciently charged yet. Continue keeping it exposed to light. Whenever you have a sensor malfunction, take the watch to your original dealer or nearest authorized CASIO distributor as soon as possible. E-76 E-77 ■...
  • Page 11: Specifications

    Operation Guide 5242 Specifi cations Barometer: Measurement range: 260 to 1,100 hPa (or 7.7 to 32.5 inHg) Display unit: 1 hPa (or 0.1 inHg) Accuracy at normal temperature: ± 15 seconds a month (with no signal calibration) Other: Calibration; Manual reading; Barometric pressure differential indicator...