Summary of the content on the page No. 1
MA1307-EC
Operation Guide 5240
ENGLISH
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
Summary of the content on the page No. 2
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 E-57 To swap your Home City and World Time City E-72 Troubleshooting E-58 Using the Stopwatch E-82 Specifi cations E-59 To enter and exit the Stopwatch Mode E-59 To perform an elapsed time operation E-59 To perform fl yback timing E-61 Using the Countdown Timer
Summary of the content on the page No. 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) 1,500 kilometers Fort Collins 1,500 kilometers Mainfl ingen 1,000 kilometers The Anthorn signal is receivable within this area. E-20 E-21 To get ready for a receive operation Signal
Summary of the content on the page No. 4
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 Check what the b Lower Dial Hand is indicating as shown To do this: Enter this mode: See: under “To select a mode” (page E-32). Confi gure Home City and DST (daylight saving time) settings Perform a time calibration signal receive operation To r
Summary of the content on the page No. 5
Operation Guide 5240 2. Change the Home City settings, if you want. 4. Rotate the crown to adjust the time (hour and minute) setting. See “Using the Crown” (page E-3) for information about high-speed hand For details about these settings, see steps 2 and 3 movement. under “To confi gure Home City settings” (page E-34). The v Upper Dial Hand is synchronized with the z Hour Hand. 3. Hold down C for about one second until the watch When adjusting the setting, check to make sure that
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Operation Guide 5240 Important! Important! The watch will not be able to produce correct temperature readings if you make a To cancel a temperature reading correction setting, hold down A and B at the mistake during the correction procedure. Check to make sure that the value you same time. The watch will beep. use for correction produces correct temperature readings. 3. Push the crown back in. Before performing the following procedure, remove the watch from your wrist and After about t
Summary of the content on the page No. 7
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 The countdown timer can be confi gured within a range of one minute to 60 minutes. operation is started or restarted. After that, the x Second Hand stops. An alarm sounds for about 10 seconds when the timer reaches zero. Hands and Indicators z Hour Hand and v Upper Dial Hand: Point to 12 o’cloc
Summary of the content on the page No. 8
Operation Guide 5240 To adjust home positions 3. Press C. 1. Pull out the crown. This enters the n Day Indicator home position adjustment mode. 2. Hold down B for at least fi ve seconds until the watch beeps and the x Second Hand moves to 12 o’clock. 4. Check the n Day Indicator to confi rm that it is 1, which is its home position. Automatic home position adjustment of all of the If the 1 is not in the center of the n Day Indicator, hands (but not the n Day Indicator) will start.
Summary of the content on the page No. 9
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. Check your Home City setting and E-27 Your Home City setting is wrong. correct it, if necessary. E-34 See “To confi gure Home City settings” (page E-34). The watch may have been exposed to ■ The indicated World Time is one hour off. mag