Casio 4798 Watch User Manual
Contents
1. Operation Guide 4798 Getting Acquainted Congratulations upon your selection of this CASIO watch To get the most out of your purchase be sure to read this manual carefully Starting second hand movement and digital display To conserve battery power the watch is shipped from the factory with its functions disabled Pressing any one of the watch s three buttons will activate its functions which will cause the second hand to start moving and the digital display to activate Your watch switches automatically between Standard Time and Daylight Saving Time summer time Note however that switching cannot be performed correctly if the watch is not able to receive the time calibration signal If you notice that the current time is not displayed properly use the procedure under To perform manual receive or To set the time and date manually to correct it General Guide e Press to change from mode to mode e About one or two seconds after you enter the Dual Time Mode Alarm Mode or Hand Setting Mode the hands will move to the position that indicates the current setting of the mode e In the Timekeeping Mode except when a setting screen is on the display press to illuminate the face of the watch for about one second Timekeeping Mode Press Radio controlled Atomic Timekeeping This watch receives a time calibration signal and updates its time setting accordingly The time cal2. Use 8 to select the time zone you want to use as your Home Time Zone R e The table below shows the GMT differential values for major cities in the Western Europe time zones Time Zone Other major cities in same time zone 0 0 DST 1 0 London Dublin Lisbon Casablanca Dakar Abidjan Paris Milan Rome Madrid Amsterdam Algiers Hamburg 10 DST420 Frankfurt Vienna Stockholm Berlin Athens Cairo Jerusalem Helsinki Istanbul Beirut 2 0 DST 3 0 Damascus Cape Town 3 Press to exit the setting screen e The second hand will advance at high speed to the correct position and resume normal movement from there e Normally your watch should show the correct time as soon as you specify your Home Time Zone If it does not it should adjust automatically after the next auto receive operation in the middle of the night You also can perform manual receive or you can set the time manually e Selecting 0 0 1 0 or 2 0 1 0 2 0 or 3 0 while DST is turned on as your Home Time Zone turns on auto receive automatically When auto receive is turned on and you are within the reception range the watch will receive the time calibration signal automatically from the applicable transmitter in the middle of the night and update its settings accordingly For information about the relationship between time zones GMT differential values and transmitters see Transmitters e See the maps un
3. me e The second hand will move to W WORK and stay there Se READY while actual reception is in progress W WORK e The hour and minute hands continue to keep time Y YES normally e Time calibration signal reception takes from two to seven minutes but in some cases it can take up to 14 minutes Take care that you do not perform any button operations or move the watch during this time e f reception is successful the second hand will move to Y YES One minute later the hands will move to the N NO correct time Note e To interrupt a receive operation and return to the Timekeeping Mode press any button e f reception is not successful the second hand will move to N NO One minute later the second hand will resume normal operation without any adjustment of the hand setting e If the second hand is pointing to Y YES or N NO you can return to the Timekeeping Mode by pressing any button To check the latest signal reception results Y YES In the Timekeeping Mode press e f the watch was able to perform a successful signal receive operation since midnight the second hand will move to Y YES If the watch has been unable to receive any signal successfully the second hand will move to N NO e The watch will return to the Timekeeping Mode after five seconds e The current receive result is cleared when the first auto receive operation is performed on the following day This means Y YES
4. 0 DST 6 0 Karachi Male 5 5 DST 6 5 Delhi Mumbai Kolkata Colombo 6 0 DST 7 0 Dhaka 6 5 DST 7 5 Yangon 7 0 DST 8 0 Bangkok Jakarta Phnom Penh Hanoi Vientiane 8 0 DST 9 0 Hong Kong Singapore Kuala Lumpur Beijing Taipei Manila Perth Ulaanbaatar 9 0 DST 10 0 Tokyo Seoul Pyongyang 9 5 DST 10 5 Adelaide Darwin 10 0 DST 11 0 Sydney Melbourne Guam Rabaul 11 0 DST 12 0 Noumea Port Vila 12 0 DST 13 0 Wellington Christchurch Nadi Nauru Island e Based on data as of December 2006
5. indicates successful signal reception since the start of the current day e If you have adjusted the time or date setting manually the second hand will indicate N NO here N NO Signal Reception Troubleshooting Check the following points whenever you experience problems with signal reception CASIO Problem Probable Cause What you should do The e You changed the time setting e Perform manual signal second hand manually receive or wait until the next is pointing at e You performed some button operation auto signal receive operation N NO during the auto receive operation is performed e Signal reception results are reset e Check to make sure the when the first auto receive watch is in a location where it operation of the day is performed can receive the signal Time setting is e The Home Time Zone setting is not e Select the correct Home incorrect correct for the area where you are Time Zone following signal using the watch reception e For further information see Important under Time Calibration Signal Reception and Radio controlled Atomic Timekeeping Precautions Stopwatch Stopwatch 1 20 second hand You can use the stopwatch to measure elapsed time This hand rotates and indicates cumulative elapsed time and lap times You also can input the second count during the the distance of the course or a particular segment of the first 60 seconds course o
6. make the necessary changes To toggle a time zone between Standard Time and Daylight Saving Time 1 In the Dual Time Mode use to display the time zone whose Standard Time Daylight Saving Time setting you want to change 2 Hold down to toggle between Daylight Saving Time DST indicator displayed and Standard Time DST indicator not displayed e Turning on DST causes the GMT differential value to be increased by one DST indicator e The DST indicator appears on the display whenever you display a time zone for which Daylight Saving Time is turned on e The DST Standard Time setting you configure affects only the currently displayed time zone Other time zones are not affected e The 3 GMT Greenwich Mean Time time zone cannot be switched between Standard Time and Daylight Saving Time Alarm Stopwatch 1 20 When the alarm is turned on the alarm sounds when the second hand alarm time is reached Alarm time minute hand When you enter the Alarm Mode the stopwatch 1 20 Alarm time second hand will move to ALM l 24 hourhand All of the operations in this section are performed in the Alarm Mode which you enter by pressing To set an alarm time 1 In the Alarm Mode hold down for two seconds to display the setting mode 2 Use to change the alarm time l e Press B to move the hands clockwise in one minute steps 3 After setting the alarm time press to exit the setting mode e Setting th
7. ace you are watching That distance is used along with the elapsed time cumulative elapsed time or lap time measured by the watch to calculate and display the average speed for the course or segment The average speed that appears for an elapsed time cumulative elapsed time or lap time is calculated based on the times described below Elapsed time Time from the point the stopwatch operation is started up until it was stopped Cumulative elapsed time Total time from the point the cumulative elapsed time operation is started up until it was stopped Does not include any time when the stopwatch operation was paused Lap time Time of each particular lap e Never operate the stopwatch while operating any motor vehicle or while riding a motorcycle Doing so is very dangerous and can cause an accident e For information about inputting a distance see To input a course or section distance Operation Guide 4798 Average Speed Indication The stopwatch minute hand will move the average speed value after you stop a time measurement or display a lap time The letters SP flash on the digital display while the average speed is indicated Stopping an Elapsed Time or Cumulative Elapsed Time Measurement The stopwatch minute hand moves to the average speed value after you press B to stop measurement After two seconds the hand moves to the minutes of elapsed time Stopwatch Lap Time Measurement minute hand The stopwatch minute ha
8. avel one kilometer by car The second hand is pointing at 70 which indicates that the average speed is 70 kilometers per hour e The tachymeter can be used only when you are traveling by car or some other means that can cover one kilometer or one mile within 60 seconds Dual Time Hour hand The Dual Time Mode lets you view the current time in 29 Stopwatch 1 20 Minute time zones around the world secondhand hand e When you enter the Dual Time Mode the stopwatch H 1 20 second hand will move to DUAL e Time zones are indicated on the digital display by their GMT differential values e For full information on time zones see the Time Zone Table e The watch will perform a signal receive operation even if it is in the Dual Time Mode when a calibration time is reached If this happens the Dual Time Mode time settings will be adjusted in accordance with the current Sates time in the Timekeeping Mode s Home Time Zone il e All of the operations in this section are performed in the GMT differential Dual Time Mode which you enter by pressing value 4 0 Minus sign To view the time in another time zone While in the Dual Time Mode press 8 to scroll eastward through time zones e When you release 8 the hands will move to the current time in that time zone after about one second e f the current time shown for a time zone is wrong check the Timekeeping Mode time setting and your Home Time Zone setting and
9. ct 2 If the Mainflingen signal cannot be or after the time zone has been changed received checks the Rugby signal Any case other than the above 1 Checks the last successfully received signal first 2 If the last successfully received signal cannot be received checks the other signal Operation Guide 4798 CASIO Timekeeping e The year can be set in the range of 2001 to 2099 e The watch s built in full automatic calendar makes allowances for different month lengths and leap years Once you set the date there should be no reason to change it except after you have the watch s battery replaced e The date will change automatically when the current time reaches midnight The date change at the end of the month may take more time than normal e The current time for all time zones in the Timekeeping Mode and Dual Time Mode is calculated in accordance with the Greenwich Mean Time GMT differential of each zone based on your Home Time Zone time setting e GMT differential is calculated by this watch based on Universal Time Coordinated UTC data UTC is the world wide scientific standard of timekeeping It is based upon carefully maintained atomic cesium clocks that keep time accurately to within microseconds Leap seconds are added or subtracted as necessary to keep UTC in sync with the Earth s rotation The reference point for UTC is Greenwich England Illumination Precautions e The illumination pr
10. der Reception Ranges for information about the reception ranges of the watch e If you are in an area that does not use Daylight Saving Time Summer time turn off the DST setting e Even if the time calibration signal is received correctly there are some times when the analog hands may not indicate the correct time If this happens use the procedures under Adjusting the Home Positions to check the home positions of the hands and make adjustments as required About This Manual Stopwatch 1 20 second hand Button operations are indicated using the letters shown in the illustration Minute hand Each section of this manual provides you with the information you need to perform operations in each mode Further details and technical information can be found in the Reference section Hour hand 24 hour hand Stopwatch minute hand Second hand Timekeeping Stopwatch Dual Time Mode jain Time Calibration Signal Reception There are two different methods you can use to receive the time calibration signal auto receive and manual receive e Auto Receive With auto receive the watch receives the time calibration signal automatically up to six times a day When any auto receive is successful the remaining auto receive operations are not performed For more information see About Auto Receive e Manual Receive Manual receive lets you
11. e however that pressing B will not display the time of the next lap during this four second period To input a course or section distance 1 In the Stopwatch Mode hold down for about two seconds until the current distance value setting flashes in the digital display This is the setting screen 2 Press 8 to increase the distance setting in steps of 0 1 e Simply input a distance value It makes no difference whether the value represents kilometers or miles e You can input a distance in the range of 0 1 to 19 9 3 Press to exit the setting screen e To disable speed display set the distance value to 0 0 Distance value Using the Tachymeter Bezel to Calculate Average Speed If your watch has a tachymeter bezel you can perform the steps below to calculate average speed after using the Stopwatch Mode to measure the amount of time that it takes to travel one kilometer or one mile e Never try to perform stopwatch operations while you are driving an automobile riding a bicycle or operating any type of vehicle Doing so is very dangerous and can result in accident In the Stopwatch Mode start an elapsed time operation at any point you like Stop the elapsed time operation after you travel one kilometer or one mile Your average speed will be the value that the second hand is pointing to on the tachymeter bezel Tachymeter bezel e The illustration shows an example where it took 50 seconds to tr
12. e alarm time causes the alarm to turn on Alarm time f hourhang OVOffstatus automatically Alarm Operation The alarm tone sounds at the preset time for 10 seconds regardless of the mode the watch is in e Alarm operations are performed in accordance with the Timekeeping Mode time e Pressing any button stops the alarm tone operation To toggle an alarm on and off In the Alarm Mode press 8 to toggle the alarm ON and OFF e The watch will beep when you turn on the alarm Adjusting the Home Positions If the time and date settings are wrong even after the time calibration signal is received normally use the following procedure to adjust their home positions To adjust the home positions 1 In the Timekeeping Mode press four times to enter Stopwatch 1 20 ea the Hand Setting Mode second hand e The stopwatch 1 20 second hand will move to 00 2 Hold down until 0 0 starts to flash which indicates the analog setting screen e The second hand is at the proper home position if it moves to 12 o clock If it doesn t press B to move it to 12 o clock 3 After confirming that the second hand is at the proper home position press This will switch to hour hand and minute hand home position adjustment Hm flashes e The hour hand and minute hand are at their proper home positions if they both move to 12 o clock and if the 24 hour hand is pointing at hour 24 If the hands are not positioned correct
13. easured internally by the watch e Press A to reset the stopwatch to zero Second hand Stopwatch Stopwatch 1 100 second minute hand To measure cumulative elapsed time 1 In the Stopwatch Mode press 8 to start elapsed time measurement 2 Press to stop elapsed time measurement 3 Press B again to restart elapsed time measurement 4 Press B to stop elapsed time measurement e Repeat steps 3 and 4 as many times as required e Press to reset the stopwatch to zero To measure lap times Stopwatch 1 20 In the Stopwatch Mode press to start an elapsed time measurement operation second hand f 2 Press to display the current lap time Second hand e Each press of displays the current lap time up to that point e The lap time will remain displayed for about two seconds e Pressing to display the current lap time also will start timing of the next lap This means that the stopwatch does not maintain the total elapsed time or total cumulative time in this case e The stopwatch will continue to time the next lap internally even while the current lap time is displayed 3 Press B to stop the stopwatch e This will cause the final lap time to appear on the display e Press to reset the stopwatch Stopwatch Stopwatch 1 100 second minute hand Average Speed You also can input the distance of the course or a particular segment of the course of the r
14. ect your Home Time Zone before you change the current time and date settings Dual Time Mode times are all displayed in accordance with the Timekeeping Mode settings Because of this Dual Time Mode times will not be correct if you do not select the proper Home Time Zone before setting the time and date in the Timekeeping Mode e When setting the time and date you also can configure settings for your Home Time Zone the time zone where you normally use the watch and summer time Daylight Saving time or DST To set the time and date manually PS 1 In the Timekeeping Mode hold down until the GMT DST indicator differential value starts to flash which indicates the setting screen e The second hand will move at high speed to the 12 o clock position where it will stop e The GMT differential value indicates the time difference in hours between Greenwich Mean Time and the currently selected time zone e The DST indicator indicates that Daylight Saving Time summer time is turned on for the currently selected GMT differential value time zone fu 2 0 2 Use 8 to select the time zone you want to use as your 4 4 0 Home Time Zone e For full details about GMT differential values see the Minus sign Time Zone Table 3 Press to move the flashing in the sequence shown below to select other settings GMT differential Minutes 4 When the setting you want to change is flashing use B to change it as described b
15. elow Screen Todo this Do this a Change the time zone Use oO ST z Toggle between Daylight Saving Time 1 Press Standard Time jj F or Auto DST 7 m 4 4 e Da Change the minutes time Use 8 Change the year TX a l Change the month Change the day 5 Press to exit the setting screen e When you exit the setting screen the analog hands are adjusted automatically to match the digital time e Auto DST Y can be selected only while 0 0 1 0 or 2 0 1 0 2 0 or 3 0 while DST is turned on is selected as the Home Time Zone For more information see Daylight Saving Time DST below Daylight Saving Time DST Daylight Saving Time summer time advances the time setting by one hour from Standard Time Remember that not all countries or even local areas use Daylight Saving Time The time calibration signals include both Standard Time and DST data When the auto DST setting is turned on the watch switches between Standard Time and DST summer time automatically in accordance with the signal it receives e The auto DST setting can be turned on only while 0 0 1 0 or 2 0 1 0 2 0 or 3 0 while DST is turned on is selected as the Home Time Zone e If you experience problems receiving the time calibration signal in your area it is probably best to switch between Standard Time and Daylight Saving Time Summer t
16. f the race you are watching That distance is used Stopwatch along with the elapsed time cumulative elapsed time or 1 100 second lap time measured by the watch to calculate and display the average speed for the course or segment e See Average Speed for more information e Never operate the stopwatch while operating any motor vehicle or while riding a motorcycle Doing so is very dangerous and can cause an accident e Entering the Stopwatch Mode causes the second hand the stopwatch minute hand and stopwatch 1 20 second hand to move to the 12 o clock position Second hand Stopwatch minute hand e The display range of the stopwatch is 59 minutes 59 99 seconds e The stopwatch continues to run restarting from zero after it reaches its limit until you stop it e The stopwatch measurement operation continues even if you exit the Stopwatch Mode e All of the operations in this section are performed in the Stopwatch Mode which you enter by pressing To measure elapsed time Stopwatch 1 20 second hand 1 In the Stopwatch Mode press 8 to start elapsed time measurement 2 Press to stop elapsed time measurement e The stopwatch 1 20 second hand will rotate for the first 60 seconds of the measurement operation only After that it will stop Whenever you press B to stop a measurement operation this hand will move automatically to the applicable 1 20 second position for the elapsed time as m
17. ference This section contains more detailed and technical information about watch operation It also contains important precautions and notes about the various features and functions of this watch Auto Return Features e If you leave the watch in the Alarm or Hand Setting Mode for two or three minutes without performing any operation it returns to the Timekeeping Mode automatically e If you do not perform any operation for about two or three minutes while a setting mode is selected the watch will exit the setting mode automatically Scrolling e The B button is used to change the hand setting in various setting modes In most cases holding down this button will start high speed movement of the applicable hand s e High speed movement of hands will continue until you press any button or until the moving hand s finishes one complete cycle One complete cycle for the hands is one revolution 860 degrees or 24 hours Radio controlled Atomic Timekeeping Precautions e Strong electrostatic charge can result in the wrong time being set e The time calibration signal bounces off the ionosphere Because of this such factors as changes in the reflectivity of the ionosphere as well as movement of the ionosphere to higher altitudes due to seasonal atmospheric changes or the time of day may change the reception range of the signal and make reception temporarily impossible e Even if the time calibration signal is received properly certain co
18. ght 1 00 am 2 00 am DST 3 0 ta Daylight Saving 4 00 am 5 00 am Midnight 1 00 am 2 00 am 3 00 am Time Note Next day e The auto receive operation is performed only if the watch is in the Timekeeping Mode or Dual Time Mode when a calibration time is reached It is not performed if a calibration time is reached while an alarm is sounding or while you are configuring settings e Auto receive of the calibration signal is designed to be performed early in the morning while you sleep provided that the Timekeeping Mode time is set correctly Before going to bed for the night remove the watch from your wrist and put it in a location where it can receive the signal easily e The watch receives the calibration signal for two to 14 minutes everyday when the time in the Timekeeping Mode reaches each of the calibration times Avoid performing any button operation within 14 minutes before or after any one of the calibration times Doing so can interfere with correct calibration e Remember that reception of the calibration signal depends on the current time in the Timekeeping Mode To perform manual receive 1 Place the watch on a stable surface so its 12 o clock side is facing towards a window 2 In the Timekeeping Mode hold down for about two seconds until the watch beeps 3 The second hand will move to R READY to indicate that the watch is setting up for time calibration reception
19. ibration signal includes both Standard Time and Daylight Saving Time summer time data e Supported time calibration signals Germany Mainflingen England Rugby e See the information under Signal Reception Troubleshooting if you experience problems with time calibration signal reception Current Time Setting This watch adjusts its time setting automatically in accordance with a time calibration signal You also can perform a manual procedure to set the time and date when necessary e The first thing you should do after purchasing this watch is to specify your Home Time Zone which is the time zone where you normally will use the watch For more information see To specify your Home Time Zone below e When using the watch outside the range of the time signal transmitter you have to adjust the current time setting manually as required See Timekeeping for more information about manual time settings To specify your Home Time Zone 1 In the Timekeeping Mode hold down until the GMT differential value starts to flash which indicates the DST indicator setting screen e The second hand will move at high speed to the 12 o clock position where it will stop e The GMT differential value indicates the time difference in hours between Greenwich Mean Time and the currently selected time zone e The DST indicator indicates that Daylight Saving Time summer time is turned on for the currently selected time zone 2
20. ilting it towards you at more than 40 degrees causes illumination to turn on e Wear the watch on the outside of your wrist More than 40 Parallel to Warning e Always make sure you are in a safe place whenever you are reading the face of watch using the auto light switch Be especially careful when running or engaged in any other activity that can result in accident or injury Also take care that sudden illumination by the auto light switch does not startle or distract others around you e When you are wearing the watch make sure that its auto light switch is turned off before riding a bicycle or operating a motorcycle or any other motor vehicle Sudden and unintended operation of the auto light switch can create a distraction which can result in a traffic accident and serious personal injury To turn the auto light switch on and off In the Timekeeping Mode except when a setting screen is on the display hold down for about three seconds to toggle the auto light switch on and off e Turning on the auto light switch will cause the watch to beep The ON indicator will appear and the light will turn on for about one second e Turning off the auto light switch will cause the watch to beep The OFF indicator will appear for about one second The light will not turn on e In order to protect against running down the battery the auto light switch turns off automatically approximately six hours after you turn it on Re
21. ime manually To change the Daylight Saving Time summer time setting 1 In the Timekeeping Mode hold down until the GMT differential value starts to flash which indicates the setting screen 2 Press to display the DST setting screen 3 Press B to cycle through the DST settings in the sequence shown below Auto DST T DST off fj F 4 Press to exit the setting screen e The DST indicator appears on the display to indicate that Daylight Saving Time is turned on e Turning on DST causes the GMT differential value to be increased by one Illumination An LED light emitting diode illuminates the face of the watch for easy reading in the dark The watch s auto light switch illuminates the face automatically when you angle the watch towards your face e The auto light switch must be turned on for it to operate e See Illumination Precautions for other important information To illuminate the face of the watch In the Timekeeping Mode except when a setting screen is on the display press 8 to illuminate the face of the watch for about one second e The above operation turns on illumination regardless of the current auto light switch setting About the Auto Light Switch Turning on the auto light switch causes the face to illuminate whenever you position your wrist as described below in any mode Moving the watch to a position that is parallel to the ground and then t
22. ly use B to move them to their proper home positions After confirming that the hour hand and minute hand are both at their proper home positions press This will switch to stopwatch 1 20 second hand home position adjustment 20 flashes e The stopwatch 1 20 second hand is at the proper home position if it moves to 0 If it doesn t use to move it to 0 5 After confirming that the stopwatch 1 20 second hand is at the proper home positions press This will switch to stopwatch minute hand home position adjustment 60 flashes e The stopwatch minute hand is at the proper home position if it moves to 60 If it doesn t use B to move it to 60 6 Press to exit the setting screen e After you complete the home position adjustment procedure place the watch in a location that allows good time calibration signal reception and then perform a manual receive operation See To perform manual receive for more information Minute hand Hour hand CASIO Operation Guide 4798 Timekeeping Use the Timekeeping Mode to set and view the current Hour hand time and date This section also explains how to set the Minute hand current date and time manually e All of the operations in this section are performed in the Timekeeping Mode which you enter by pressing 24 hour hand Second hand Setting the Time and Date Manually Make sure you sel
23. may notice a very faint clicking sound coming from the watch when it is shaken back and forth This sound is caused by mechanical operation of the auto light switch and does not indicate a problem with the watch Time Zone Table GMT Differential Value i E p Standard Time DST Summer Time Malor cities i Same tima Zone 11 0 DST 10 0 Pago Pago 10 0 DST 9 0 Honolulu Papeete 9 0 DST 8 0 Anchorage Nome 8 0 DST 7 0 Los Angeles San Francisco Las Vegas Vancouver Seattle Tacoma Dawson City Tijuana 7 0 DST 6 0 Denver El Paso Edmonton Culiacan 6 0 DST 5 0 Chicago Houston Dallas Fort Worth New Orleans Mexico City Winnipeg 5 0 DST 4 0 New York Montreal Detroit Miami Boston Panama City Havana Lima Bogota 4 0 DST 3 0 Caracas La Paz Santiago Port of Spain 3 0 DST 2 0 Rio De Janeiro Sao Paulo Buenos Aires Brasilia Montevideo 2 0 DST 1 0 1 0 DST 0 0 Praia G 0 0 G 0 0 GMT 0 0 DST 1 0 London Dublin Lisbon Casablanca Dakar Abidjan 1 0 DST 2 0 Paris Milan Rome Madrid Amsterdam Algiers Hamburg Frankfurt Vienna Stockholm Berlin 2 0 DST 3 0 Cairo Jerusalem Athens Helsinki Istanbul Beirut Damascus Cape Town 3 0 DST 4 0 Jeddah Kuwait Riyadh Aden Addis Ababa Nairobi Moscow 3 5 DST 4 5 Tehran Shiraz 4 0 DST 5 0 Dubai Abu Dhabi Muscat 4 5 DST 5 5 Kabul 5
24. nd moves to the average speed Average Speed value after you press to display a lap time or to Indication stop measurement After two seconds the hand moves to the minutes of lap time e f the value you input for the distance was in kilometers the indicated speed values will show kilometers per hour If the value you input was in miles it will show miles per hour Note that the watch does not have a setting for specifying kilometers or miles e The average speed is indicated as a value from 0 to 400 in increments of 10 e If the currently displayed speed value for a lap is the Fastest Lap Time fastest for any laps during the current measurement Indicator operation the letter F fastest lap time indicator will flash on the digital display e Either of the following will cause the stopwatch minute hand to indicate OVER which indicates that speed cannot be calculated When the speed calculation produces a value greater than 400 When a displayed elapsed time or cumulative elapsed time is 60 minutes or greater When a displayed lap time is 60 minutes or greater Average speed calculation will resume when timing of the next lap is performed OVER Indication e It takes about two seconds before the average speed to be calculated and the speed is indicated for about two seconds so the average speed operation takes a total of about four seconds The watch will continue measuring the next lap internally during this time Not
25. nditions can cause the time setting to be off by up to one second e The current time setting in accordance with the time calibration signal takes priority over any time settings you make manually e The watch is designed to update the date and day of the week automatically for the period January 1 2001 to December 31 2099 Setting of the date by the time calibration signal cannot be performed starting from January 1 2100 e This watch can receive signals that differentiate between leap years and non leap years e Though this watch is designed to receive both time data hour minutes seconds and date data year month day certain signal conditions can limit reception to time data only e If you are in an area where proper time calibration signal reception is impossible the watch keeps time within 20 seconds a month at normal temperature e If you have problems with proper time calibration signal reception or if the time setting is wrong after signal reception check your current time zone and DST summer time Transmitters This watch is designed to receive the time calibration signal transmitted from Mainflingen Germany and the signal from Rugby England You can configure the watch to select the transmitter that has the strongest signal automatically CASIO In this case The watch does this The first signal auto search operation Checks the Mainflingen signal first after factory default settings are in effe
26. ovided by the light may be hard to see when viewed under direct sunlight e Ilumination turns off automatically whenever an alarm sounds e Frequent use of illumination shortens the battery operating time Auto light switch precautions e Wearing the watch on the inside of your wrist movement of your arm or vibration of your arm can cause frequent activation of the auto light switch and illuminate the face of the watch To avoid running down the battery turn off the auto light switch whenever engaging in activities that might cause frequent illumination of the face e Illumination may not turn on if the face of the watch is More than 15 degrees more than 15 degrees above or below parallel Make too high sure that the back of your hand is parallel to the ground e Illumination turns off in about one second even if you keep the watch pointed towards your face e Static electricity or magnetic force can interfere with proper operation of the auto light switch If illumination lt SS does not turn on try moving the watch back to the starting position parallel with the ground and then tilt it back towards your face again If this does not work drop your arm all the way down so it hangs at your side and then bring it back up again e Under certain conditions illumination may not turn on until about one second after you turn the face of the watch towards you This does not necessarily indicate malfunction of the auto light switch e You
27. rtain times of the year or day Radio interference also may cause problems with reception Mainflingen Germany or Rugby England transmitters 500 kilometers 310 miles e Even when the watch is within the reception range of the transmitter signal reception will be impossible if the signal is blocked by mountains or other geological formations between the watch and signal source e Signal reception is affected by weather atmospheric conditions and seasonal changes About Auto Receive The watch receives the time calibration signal automatically up to six times a day When any auto receive is successful the remaining auto receive operations are not performed The reception schedule calibration times depends on your currently selected Home Time Zone and whether standard time or Daylight Saving Time is selected for your Time Zone Note e Auto receive is turned on whenever 0 0 1 0 or 2 0 1 0 2 0 or 3 0 while DST is turned on is selected as the Home Time Zone Auto Receive Start Times Your Time Zone 1 2 3 4 5 6 0 0 Standard Time 1 00 am 2 00 am 3 00 am 4 00 am 5 00 am Midnight DST 1 0 rer aH Daylight Saving 2 00 am 3 00 am 4 00 am 5 00 am Midnight 1 00 am Time 1 0 Standard Time 2 00 am 3 00 am 4 00 am 5 00 am Midnight 1 00 am DST 2 0 Daylight Saving 3 00 am 4 00 am 5 00 am Midnight 1 00 am 2 00 am Time 2 0 Standard Time 3 00 am 4 00 am 5 00 am Midni
28. start a time calibration receive operation with the press of a button For more information see To perform manual receive Important e When getting ready to receive the time calibration signal position the watch as shown in the nearby illustration with its 12 o clock side facing towards a window Make sure there are no metal objects nearby 12 o clock e Make sure the watch is facing the right way e Proper signal reception can be difficult or even impossible under the conditions listed below p KX Inside or Inside a Near Near a Near high Among or among vehicle household construction tension behind buildings appliances site airport or power lines mountains office other sources equipment of electrical or a mobile noise phone e Signal reception normally is better at night than during the day e Time calibration signal reception takes from two to seven minutes but in some cases it can take as long as 14 minutes Take care that you do not perform any button operations or move the watch during this time e When within range of the applicable transmitter this watch can receive either the Germany Mainflingen and England Rugby time calibration signals See Transmitters for more information Reception Ranges 1 500 kilometers CA z aX Rugby 500 kilometers Mainflingen CASIO Operation Guide 4798 e Signal reception may not be possible at the distances noted below during ce
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