Casio 2752 Watch User Manual
Contents
1. CASIO e Wearing the watch inside the sleeve of clothing can cause it to enter the sleep state e The watch will not enter the sleep state between 6 00 AM and 10 59 PM If the watch is already in the sleep state when 6 00 AM arrives however it will remain in the sleep state To recover from the sleep state Perform any one of the following operations e Move the watch to a well lit area e Press any button e Angle the watch towards your face for reading To turn Power Saving on and off 1 In the Timekeeping Mode hold down until the city code starts to flash which indicates the setting screen 2 Press nine times until the Power Saving on off screen appears 3 Press to toggle Power Saving on 4 and off OFF 6 4 Press to exit the setting screen e The Power Saving indicator lt lt is on the display in all modes while the Power Saving is turned on On Off status 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 automatically returns to the Timekeeping Mode e If you leave the watch with a flashing setting on the display for two or three minutes without performing any operation the watch automatically exits the setting screen Scrolling The and buttons are used in various modes and setting screens to scroll through data on the display In most cases holding down these buttons during a scr2. To use the countdown timer Press while in the Countdown Timer Mode to start the countdown timer e When the end of the countdown is reached and auto repeat is turned off the alarm sounds for 10 seconds or until you stop it by pressing any button The countdown time is automatically reset to its starting value after the alarm stops e Press while a countdown operation is in progress to pause it Press again to resume the countdown e To completely stop a countdown operation first pause it by pressing and then press 6 This returns the countdown time to its starting value To turn auto repeat on and off 1 While the countdown start time is on the display in the Countdown Timer Mode hold down until the current countdown start time starts to flash which indicates the setting screen 2 Press to move the flashing to the auto repeat setting 3 Press to turn auto repeat on 777 displayed and Off mt displayed 4 Press to exit the setting screen e When auto repeat is turned on the alarm sounds and countdown starts again whenever the countdown reaches zero You can stop the countdown by pressing and manually reset to the countdown start time by pressing e Auto repeat timing repeats up to nine times Number of repeats Stopwatch The stopwatch lets you measure elapsed time split times and two finishes The display range of the stopwatch is 99 minutes 59 99 seconds e The stopw
3. e Auto DST Fi LT fl can be selected only while HEL ARM LOA DER HE BYO Hkg TYO or SEL is selected as the Home City code 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 signal transmitted from Fort Collins includes 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 Fort Collins signal e The time calibration signals transmitted from Fukushima and Fukuoka Saga do not include summer time data e The default DST setting is Auto DST AUT H whenever you select kitik FEI LAS DEM GHI MYI TYO SEL or ices as your Home City code 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 time manually To change the Daylight Saving Time summer time setting 1 In the Timekeeping Mode hold down until the city code starts to flash which indicates the setting screen 2 Press once and the DST setting screen appears 3 Use to cycle through the DST settings in the sequence shown below Auto DST AUTH DST off OFF DST on CIM 4 When the
4. forward 20 seconds Move the hand setting a short e Hold down way forward at high speed e Release when the hands reach the setting you want Move the hand setting a e While holding down to move the hands at long way forward at high high speed press 8 to lock the high speed speed hand movement e To stop the hand movement press any button e Hand movement stops automatically if the hour hand makes one full 12 hour revolution 4 Press to exit the setting screen e The minute hand will be adjusted slightly to match the seconds when you exit the setting screen e To return to the Timekeeping Mode press Reference 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 Power Saving Function When turned on the Power Saving function automatically enters a sleep state whenever the watch is left in an area where lighting is dim less than about 30 lux The following shows how watch functions are affected when left in a dark place while in the sleep state Power saving indicator Elapsed Time in Dark Functions 60 to 70 minutes e LCD off e Alarm hourly time signal analog timekeeping and auto receive enabled 6 or 7 days e LCD off alarm and hourly time signal disabled e Analog timekeeping stopped at 12 o clock e Auto receive disabled
5. correct if you do not select the proper Home City code before setting the time and date in the Timekeeping Mode To set the current digital time and date manually 1 In the Timekeeping Mode hold down until the city code starts to flash which indicates the setting screen 2 Press to move the flashing in the sequence shown below to select other settings 12 24 Hour DST eror Ll seconds Hour al Day Month Year lt Minutes 3 When the setting you want to change is flashing use and or to change it as described below Scree To do this Do this Change the city code Use east and west Cycle between Daylight Saving Time Press Standard Time OFF and Auto DST AUTH Toggle between 12 hour 1 4 and Press 24 hour timekeeping Reset the seconds to Of Press Change the hour or minutes Use and Change the year Use and Change the month or day Toggle Power Saving on 4 and Press off FF e See City Code Table for a complete list of available city codes e See Power Saving Function for details about the Power Saving 4 Press to exit the setting screen e When you exit the setting screen the analog hands are adjusted automatically to match the digital time See Analog Timekeeping for more information Operation Guide 2752 Note
6. setting you want is selected press to exit the setting screen e The DST indicator DST appears on the display to indicate that Daylight Saving Time is turned on Analog Timekeeping The analog time of this watch is synchronized with the digital time The analog time setting is adjusted automatically whenever you change the digital time Note e The hands for the analog timepiece move to adjust to a new setting whenever any of the following occurs When you change the digital time setting manually When the digital time setting is changed by time calibration signal reception When you change the Home City code and or DST setting e If the analog time does not match the digital time for any reason use the procedure described under To adjust the analog time to match the analog setting to the digital setting e Whenever you need to adjust both the digital and the analog time settings manually make sure you adjust the digital setting first e Depending on how much the hands have to move in order to adjust to the digital time it may take some time before they stop moving To adjust the analog time 1 In the Timekeeping Mode press five times to enter the Hand Setting Mode 2 Hold down until the current digital time starts to flash which indicates the setting screen 3 Use and to adjust the analog setting as described below When you want to do this Perform this button operation Move the hand setting e Press O
7. time is actually the correct time e When two three four or five receptions are successful the watch uses the data of the last reception for calibration When only one reception is successful the watch uses the data of the successful reception About the Receiving Indicator The receiving indicator shows the strength of the calibration signal being received For best reception be sure to keep the watch in a location where signal strength is strongest Receiving indicator Strong Level 1 Level 4 e Even in an area where signal strength is strong it takes about 10 seconds for signal reception to stabilize enough for the receiving indicator to indicate signal strength Use the receiving indicator as a guide for checking signal strength and for finding the best location for the watch during signal reception e The Level 4 receiving indicator remains on the display in all modes following reception of the time calibration signal and calibration of the watch s time setting The Level 4 receiving indicator is not displayed if signal reception was unsuccessful or after manual adjustment of the current time setting e The Level 4 receiving indicator indicates that at least one of the five calibration signal receive operation was successful Note however that the Level 4 receiving indicator is cleared from the display at 3 00 a m each day To perform manual receive 1 Place the watch on a stable surface so its top 12 o clo
8. watch towards your face for reading Power saving e See Power Saving Function for more information indicator e The Home City reverts to T s Tokyo which means that the watch is configured to receive the Japanese time calibration signal whenever battery power drops to Level 4 If you are using the watch in North America you will need to configure your Home City code setting whenever battery power recovers after dropping to Level 4 See To set your Home City for more information General Guide e Press to change from mode to mode e In any mode press to illuminate the display World Time Mode Radio controlled Atomic Timekeeping Hour hand This watch receives a time calibration signal and updates Minute hand _ ts time setting accordingly The time calibration signal includes both Standard Time and Daylight Saving Time summer time data e This watch is designed to pick up the time calibration signal transmitted in the United States Fort Collins Colorado and the time calibration signals transmitted in Japan e The U S time calibration signal can be picked up by the watch while in North America The term North America in this manual refers to the area that consists of Canada the continental United Seconds Day of week States and Mexico Current Time Setting This watch automatically adjusts its time setting in accordance with a time calibration signal You can also perform a manual proce
9. 5 KHI Karachi 05 0 Male DEL Delhi 05 5 Mumbai Kolkata DAC Dhaka 06 0 Colombo RGN Yangon 06 5 BKK Bangkok 07 0 Jakarta Phnom Penh Hanoi Vientiane HKG Hong Kong 08 0 prgapere Kual Lumpur Beijing Taipei Manila Perth SEL Seoul Pyongyang TYO Tokyo 09 0 ADL Adelaide 09 5 Darwin SYD Sydney 10 0 Melbourne Guam Rabaul NOU Noumea 11 0 Pt Vila WLG Wellington 12 0 Christchurch Nadi Nauru Ts e Based on data as of June 2003
10. Operation Guide 2752 Getting Acquainted Congratulations upon your selection of this CASIO watch To get the most out of your purchase be sure to carefully read this manual and keep it on hand for later reference when necessary e This watch does not have a time zone that corresponds to the Greenwich Mean Time differential of 3 5 hours Because of this the radio controlled timekeeping and World Time functions will not display the correct time for Newfoundland Canada Expose the watch to bright light to charge its battery before using it You can use this watch even as its battery is being charged by exposure to bright light e Be sure to read Battery of this manual for important information you need to know when exposing the watch to bright light If the digital display of the watch is blank If the Power Saving indicator is flashing on the display it means that the display is blank because the watch s Power Saving function has turned it off to conserve power Power Saving automatically turns off the display and enters a sleep state whenever your watch is left for a certain period in an area where it is dark If the watch is kept in the dark for a longer period the analog hands will also stop moving after a few days e The initial factory default setting is Power Saving on e The watch will recover from the sleep state if you move it to a well lit area if you press any button or if you angle the
11. atch continues to run restarting from zero after it reaches its limit until you stop it e Exiting the Stopwatch Mode while a split time is frozen on the display clears the split time and returns to elapsed time measurement e The stopwatch measurement operation continues even if you exit the Stopwatch Mode Seconds All of the operations in this section are performed in the Stopwatch Mode which you enter by pressing Mode indicator 1 100 second To measure times with the stopwatch Elapsed Time D o7xzx 0 0 Start Stop Re start Stop Clear Split Time D W 0 Start Split Split release Stop Clear Two Finishes Ox 0 amp Start Split Stop Split release Clear First runner Second runner Display time of finishes finishes second runner Display time of first runner Illumination The watch has an EL electro luminescent panel that causes the entire display to glow for easy reading in the dark The watch s auto light switch automatically illuminates the face when you angle the watch towards your face The auto light switch must be turned on indicated by the auto light switch indicator for it to operate See Illumination Precautions for other important information Auto light switch indicator To turn on illumination manually In any mode press to illuminate the display for about one second e The above operation turns on il
12. ck side is facing towards a window 2 In the Timekeeping Mode hold down for about two seconds until the watch beeps 3 After you release 0 the display will alternate between the current time and date and the letters Fu This indicates that signal reception is in progress Receiving indicator e Time calibration signal reception normally takes from two to six minutes In Japan however reception can take up to 12 minutes Take care that you do not perform any button operations or move the watch during this time e After signal reception is complete the display of the watch changes to the last signal screen Note e To interrupt a reception and return to the Timekeeping Mode press e If the reception is unsuccessful the message E F F appears on the display for about one or two minutes After that the watch returns to the Timekeeping Mode e You can also change from the last signal or EFF screen to the normal timekeeping screen by pressing 0 To configure the auto receive setting for the U S Note e The following procedure applies when you have L A PEH IHI or him selected as your Home City If you are using the watch in Japan see To configure auto receive settings for Japan On Off status 1 In the Timekeeping Mode press to display the last signal screen e The watch will automatically return to the Timekeeping Mode if you do not perform any button operation for two or three minutes after di
13. contact your dealer or CASIO distributor about having it replaced e The rechargeable battery should be replaced with a CASIO specified CTL1616 battery only Other rechargeable batteries can cause damage to the watch e All data stored in memory is deleted and the current time and all other settings return to their initial factory defaults whenever battery power drops to Level 4 and when you have the battery replaced e Turn on the watch s Power Saving function and keep it in an area normally exposed to bright light when storing it for long periods This helps to keep the rechargeable battery from going dead Battery Power Indicator and Recover Indicator The battery power indicator on the display shows you the current status of the rechargeable battery s power Level Battery Power Function Status Battery power indicator Indicator All functions enabled All functions enabled Auto and manual receive alarm hourly time signal illumination auto light switch and display are disabled Though the hands of the watch do not move time continues to Charge Soon Alert be kept internally Recover indicator ue All functions including timekeeping disabled e The flashing charge indicator oaa at Level 3 tells you that battery power is very low and that exposure to Brigit light for charging is required as soon as possible e At Level 4 all functions are disabled and settings return to their initial
14. dure to set the time and date when necessary e The first thing you should do after purchasing this watch is to set your Home City which is the city where you will normally use the watch For more information see To set your Home City below e When using the watch outside the ranges of the U S and Japanese time signal transmitters you have to adjust the current time setting manually as required See Timekeeping for more information about manual time setting e The analog time of this watch is synchronized with the digital time Because of this the analog time setting is automatically adjusted whenever you change the digital setting See Analog Timekeeping for more information To set your Home City 1 In the Timekeeping Mode hold down until the city code starts to flash which indicates the setting screen 2 Use east and west to scroll through the city codes until the one you want to use as your Home City is displayed e The following are the city codes for major cities in North America LF Los Angeles San Francisco Las Vegas Seattle Vancouver Tijuana Ci EE Denver El Paso Edmonton Culiacan My coda HiT Chicago Houston Dallas Fort Worth New Orleans Winnipeg Mexico City Fit New York Detroit Miami Boston Montreal Tt All cities in Japan e Note that this watch does not have a city code that corresponds to Newfoundland 3 Press to exit the setting screen e Normally your watch
15. e watch may emit an audible sound whenever the display is illuminated This is due to vibration of the EL panel used for illumination and does not indicate malfunction e Frequent use of illumination runs down the battery 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 illumination of the display To avoid running down the battery turn off the auto light switch whenever engaging in activities that might cause frequent illumination of the display e Note that wearing the watch under your sleeve while the auto light switch is turned on can cause frequent illumination of the display and can run down the battery More than 15 degrees e Illumination may not turn on if the face of the watch is too high more than 15 degrees above or below parallel Make 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 NG e Static electricity or magnetic force can interfere with proper operation of the auto light switch If illumination does not turn on try moving the watch back to the starting position parallel with the ground and then tilt it back towards you 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
16. eive 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 Normally the signal reception date shown by the last signal screen is the date data included in the received time calibration signal When only time data is received however the last signal screen shows the date as kept in the Timekeeping Mode at the time of signal reception e If you are in an area where proper time calibration signal reception is impossible the watch keeps time within 15 seconds a month at normal temperature If you have problems with proper time calibration signal reception or if the time setting is wrong after signal reception check your current city code DST summer time and auto receive settings The following are the initial factory defaults for these settings Setting Initial Factory Default City code Rye New York DST summer time Auto switching AUT Auto receive M Auto receive To configure auto receive settings for Japan Note e The following procedure applies when you have T s Tokyo selected as your Home City If you are using the watch in the U S see To turn configure the auto receive setting for the U S 1 In the Timekeeping Mode press to display the last signal screen e The watch will au
17. ere 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 automatically picks up the time calibration signal five times a day at 0 00 a m 1 00 a m 2 00 a m 3 00 a m and 4 00 a m For more information see About Auto Receive e Manual Receive Manual receive lets you start a time calibration signal reception 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 e The watch should not be on its side or facing the wrong way CASIO Operation Guide 2752 e Proper signal reception can be difficult or even impossible under the conditions listed below Inside or Inside a 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 is normally better at night than during the day e Time calibration signal reception takes from two to six minutes but in some cases it can take as long as 12 minutes Take care that you do not perform any button operations or move the watch during this time e When with
18. f alarm operation per day e 5 times calibration reception per day e Stable operation is promoted by frequent charging Recovery Times The table below shows the amount exposure that is required to take the battery from one level to the next Exposure Level Brightness Approximate Exposure Time Level 4 Level 3 Level 2 Level 1 Outdoor Sunlight 50 000 lux 1 hour 18 hours 5 hours Sunlight Through a Window 10 000 lux Daylight Through a Window on a Cloudy Day 5 000 lux Indoor Fluorescent Lighting 500 lux 67 hours e The above exposure time values are all for reference only Actual required exposure times depend on lighting conditions 4 hours 92 hours 25 hours 6 hours Timekeeping Use the Timekeeping Mode to set and view the current time and date This section also explains how to manually set the current date and time e All of the operations in this section are performed in the Timekeeping Mode which you can enter by pressing a Seconds Seconds Hour DST indicator Day of week Month Day Minutes indicator Seconds Day of week ie Reception time Screen Reception date pi Setting the Digital Time and Date Manually Make sure you select your Home City code before you change the current time and date settings World Time Mode times are all displayed in accordance with the Timekeeping Mode settings Because of this World Time Mode times will not be
19. factory defaults Functions are enabled once again after the rechargeable battery is charged but you need to set the time and date after the battery reaches Level 3 indicated by the flashing charge indicator c 4 lt from Level 4 You will not be able to configure any of the other settings until the battery reaches Level 2 no charge indicator after dropping to Level 4 e The Home City reverts to Tv Tokyo which means that the watch is configured to receive the Japanese time calibration signal whenever battery power drops to Level 4 If you are using the watch in North America you will need to configure your Home City code setting whenever battery power recovers after dropping to Level 4 e Leaving the watch in direct sunlight or some other very strong light source can cause the battery power indicator to temporarily show a reading that is higher than the actual battery level The correct battery power indicator should appear after a few minutes e If you use the light or alarms a number of times during a short period the recover indicator appears on the display and the following operations become disabled until battery power recovers Illumination Beeper tone Coordination between digital and analog timekeeping Time calibration signal reception After some time battery power will recover and the recover indicator will disappear indicating that the above functions are enabled again Charging Precautions Certain charging condit
20. g indicator appears only when time data and date data year month day are both received Time setting is e If the time is one hour off the DST e Change the DST setting to incorrect setting may be incorrect Auto DST following signal e The Home City code setting is not Select the correct Home City reception correct for the area where you are using code the watch For further information see Important under Time Calibration Signal Reception and Radio controlled Atomic Timekeeping Precautions World Time The World Time Mode digitally displays the current time in City one 30 cities 29 time zones around the world e Pressing in the World Time Mode causes the applicable city code to appear on the digital display for about one second e If the current time shown for a city is wrong check your Home City time settings and make the necessary changes e The watch will perform a signal reception even if it is in the World Time Mode when a calibration time is reached If this happens the World Time Mode time settings will be adjusted in accordance with the Timekeeping Mode s Home City time e All of the operations in this section are performed in the World Time Mode which you enter by pressing Mode indicator Current time in the selected city code To view the time in another city While in the World Time Mode press to scroll through the city codes time zones t
21. ignal that causes the watch to beep twice every hour on the hour e The alarm number A through AS indicates an alarm screen 59 is shown for the alarm time when the Hourly Time Signal screen is on the display e All of the operations in this section are performed in the Alarm Mode which you enter by pressing Mode indicator Alarm number Hour Minutes To set an alarm time Hourly time signal 1 In the Alarm Mode use to scroll through the alarm on indicator screens until the one whose time you want to set is Alarm on displayed indicator Ai AZ E og I 7 2 Hold down until the hour digits of the alarm time Start to flash which indicates the setting screen e This automatically turns on the alarm 3 Press to move the flashing between the hour and minute settings 4 While a setting is flashing use and to change it e When setting the alarm time using the 12 hour format take care to set the time correctly as a m no indicator or p m P indicator 5 Press to exit the setting screen Alarm Operation The alarm sounds in all modes at the preset time for about 10 seconds or until you stop it by pressing any button To test the alarm In the Alarm Mode hold down to sound the alarm To turn an alarm and the Hourly Time Signal on and off 1 In the Alarm Mode use to select an alarm or the Hourly Time Signal 2 When the alarm or the Hourly Time Signal y
22. in range of the applicable transmitter this watch can receive either the U S Fort Collins Colorado or Japanese Fukushima or Fukuoka Saga time calibration signal The signal the watch will attempt to pick up depends on its current Home City code setting as shown below Home City Code Transmitter Frequency LAS DEH IHI Hy Fort Collins Colorado 60kHz Fukushima 40kHz Fukuoka Saga 60kHz With Ti you can specify either 40kHz or 60kHz Seka 500 600 miles PS 2 000 miles kilometers Fukuoka Saga Ty kilometers Fort Collins kilometar e Under good reception conditions signal reception is possible within a radius of about 2 000 miles 3 000 kilometers from the Fort Collins transmitter e At distances further than about 600 miles 1 000 kilometers from the Fort Collins transmitter signal reception may not be possible during certain times of year or times of day Radio interferance may also cause problems with reception At distances further than about 500 kilometers from the Fukushima and Fukuoka Saga transmitter signal reception may not be possible during certain times of year or times of day Radio interferance may also cause problems with reception e See the information under Signal Reception Troubleshooting if you experience problems with time calibration signal reception About Auto Receive When auto receive is turned on the watch automatically starts to receive the time calibra
23. ions can cause the watch to become very hot Avoid leaving the watch in the areas described below whenever charging its rechargeable battery Also note that allowing the watch to become very hot can cause its liquid crystal display to black out The appearance of the LCD should become normal again when the watch returns to a lower temperature Warning Leaving the watch in bright light to charge its rechargeable battery can cause it to become quite hot Take care when handling the watch to avoid burn injury The watch can become particularly hot when exposed to the following conditions for long periods e On the dashboard of a car parked in direct sunlight Too close to an incandescent lamp e Under direct sunlight CASIO Charging Guide After a full charge timekeeping remains enabled for up to about 7 months e The following table shows the amount of time the watch needs to be exposed to light each day in order to generate enough power for normal daily operations Exposure Level Brightness Approximate Exposure Time Outdoor Sunlight 50 000 lux 6 minutes Sunlight Through a Window 10 000 lux 30 minutes Daylight Through a Window on a Cloudy Day 48 minutes 5 000 lux Indoor Fluorescent Lighting 500 lux 8 hours e Since these are the specs we can include all the technical details e Display on 18 hours per day sleep state 6 hours per day e 1 illumination operation 1 5 seconds per day e 10 seconds o
24. lumination regardless of the current auto light switch setting About the Auto Light Switch Turning on the auto light switch causes the display illumination to turn on for about one second whenever you position your wrist as described below in any mode Note that this watch features a Full Auto EL Light so the auto light switch operates only when available light is below a certain level It does not illuminate the display under bright ight Moving the watch to a position that is parallel to the ground and then tilting it towards you more than 40 degrees causes illumination to turn on e Wear the watch on the outside of your wrist Parallel to More than Y ground Warning e Always make sure you are in a safe place whenever you are reading the display of the 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 surprise or distract others around you e When you are wearing the watch make sure that its auto light switch is turned off before riding on 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 Operation Guide 2752 To turn the auto light switch on and off In any mode hold down for abou
25. 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 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 City Code Table City 5 GMT say ua F Code City Differential Other major cities in same time zone 11 0 Pago Pago HNL Honolulu 10 0 apeete ANC Anchorage 09 0 Nome San Francisco Las Vegas Vancouver LAX Los Angeles 08 0 Seattle Tacoma Dawson City Tijuana DEN Denver 07 0 El Paso Edmonton Culiacan 5 louston Dallas Ft Worth CHI Chicago 06 0 New Orleans Mexico City Winnipeg Montreal Detroit Miami Boston NYC New York 05 0 Panama City Havana Lima Bogota CCS Caracas 04 0 La Paz Santiago Pt Of Spain RIO Rio De Janeiro 03 0 Sao Paulo Buenos Aires Brasilia Montevideo gt 02 0 eid 01 0 raia GMT 00 0 Dublin Lisbon Casablanca Dakar Abidjan LON London a PAR Paris Milan Rome Madrid Amsterdam Algiers Hamburg BER Berlin 01 0 Frankfurt Vienna Stockholm ATH Athens Helsinki Istanbul Beirut Damascus CAl Cairo 02 0 Cape Town JRS Jerusalem JED Jeddah 03 0 Kuwait Riyadh Aden Addis Ababa Nairobi Moscow THR Tehran 03 5 Shiraz DXB Dubai 04 0 Abu Dhabi Muscat KBL Kabul 04
26. o the east or to scroll to the west e For full information on city codes see the City Code Table CASIO Operation Guide 2752 To toggle a city code time between Standard Time and Daylight Saving Time 1 In the World Time Mode use 8 and to display the city code time zone whose Standard Time Daylight Saving Time setting you want to change e Pressing in the World Time Mode causes the applicable city code to appear on the digital display for about one second 2 Hold down to toggle Daylight Saving Time DST indicator displayed and Standard Time DST indicator not displayed DST indicator e Note that you cannot use the World Time Mode to change the DST setting of the Home City code you currently have selected in the Timekeeping Mode See To change the Daylight Saving Time summer time setting for information about turning the Home City code DST setting on and off e Note that you cannot switch between Standard Time and Daylight Saving Time while SPIT is selected as the city code e The DST indicator will appear on the display whenever you display a city code for which Daylight Saving Time is turned on e Note that the DST Standard Time setting affects only the currently displayed city code Other city codes are not affected Alarms You can set five independent daily alarms When an alarm is turned on the alarm tone sounds when the alarm time is reached You can also turn on an Hourly Time S
27. oll operation scrolls through the data at high speed Initial Screens When you enter the World Time or Alarm Mode the data you were viewing when you last exited the mode appears first Radio controlled Atomic Timekeeping Precautions Strong electrostatic charge can result in the wrong time being set 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 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 conditions 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 automatically update the date and day of the week for the period January 1 2000 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 rec
28. ou want to set is selected press 8 to turn it on and off ALM Indicates alarm is ON IS Indicates Hourly Time Signal is ON e The alarm on indicator 44M and the Hourly Time Signal on indicator ig are shown on the display in all modes while these functions are turned on e If any alarm is on the alarm on indicator is shown on the display in all modes Countdown Timer You can set the countdown timer within a range of one to Mode indicator 60 minutes An alarm sounds when the countdown reaches zero e You can also select auto repeat which automatically restarts the countdown from the original value you set whenever zero is reached e All of the operations in this section are performed in the Countdown Timer Mode which you enter by pressing To set the countdown start time Seconds 1 While the countdown start time is on the display in the Minutes Countdown Timer Mode hold down until the current countdown start time starts to flash which indicates the setting screen e If the countdown start time is not displayed use the procedure under To use the countdown timer to display it Press to move the flashing in the sequence shown below to select other settings Auto repeat While a setting is flashing use and to change it e See To turn auto repeat on and off below for details on the auto repeat setting Press to exit the setting screen Minutes CASIO
29. should show the correct time as soon as you select your Home City Code If it does not it should adjust automatically after the next auto receive in the middle of the night You can also perform manual receive or you can set the time manually e If you are in an area that does not use Daylight Saving Time summer time turn off the DST setting About This Manual e Depending on the model of your watch display text appears either as dark figures on a light background or light figures on a dark background All sample displays in this manual are shown using dark figures on a light background e Button operations are indicated using the letters shown in the illustration e 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 Alarm Mode Countdown Timer Mode To display the digital time and last signal screen e In the Timekeeping Mode press to cycle through the digital time screens as shown below e In the Timekeeping Mode press to display the last signal screen The last signal screen shows the date and time of the last successful time calibration signal reception Seconds Seconds Hour Month Day Minutes Ci gt 10 08 ee PM indicator a gt Gy Reception date Reception time Last Signal Screen Time Calibration Signal Reception Th
30. splaying the last signal screen 2 Hold down until the current auto receive setting flashes on the display This is the setting screen e If fT is selected as the Home City you can specify a transmitter selection mode 3 Use and to turn auto receive on if or off FF 4 Press to exit the setting screen To return to the Timekeeping Mode from the last signal screen press Signal Reception Troubleshooting Check the following points whenever you experience problems with signal reception Problem Probable Cause What you should do Cannot perform e The watch is not in the Timekeeping Enter the Timekeeping Mode manual receive Mode and try again e Your current Home City is not one of the e Select L A DEM HI following city codes L A DEM Hr or T S as your Home CHI MYC or TY City Auto receive is e You changed the time setting manually e Perform manual receive or turned on but e The watch was not in the Timekeeping wait until the next auto signal the Level 4 or World Time Mode or you were receive is performed receiving performing some button operation e Check to make sure the indicator does during the auto receive watch is in a location where it not appear on __ e Even if reception is successful the can receive the signal the display Level 4 receiving indicator disappears every day at 3 a m e Time data hour minutes seconds only was received during the last reception The Level 4 receivin
31. t two seconds to toggle the auto light switch on the auto light switch indicator displayed and off the auto light switch indicator not displayed e The auto light switch indicator is on the display in all modes while the auto light switch is turned on Battery This watch is equipped with a solar cell and a rechargeable battery secondary battery that is charged by the electrical power produced by the solar cell The illustration shown below shows how you should position the watch for charging Example Orient the watch so its face is pointing at a light source e The illustration shows how to position a watch with a resin band e Note that charging efficiency drops when any part of the solar cell is blocked by clothing etc e Normally you should try to keep the watch outside of your sleeve as much as possible Charging is significantly reduced if the face is only partially covered Important e Storing the watch for long periods in an area where there is no light or wearing it in such a way that it is blocked from exposure to light can cause rechargeable battery power to run down Make sure that the watch is normally exposed to bright light whenever possible e Normally the rechargeable battery should not need replacement but after very long use over a number of years the rechargeable battery may lose its ability to achieve a full charge Should you notice problems with getting the rechargeable battery to a full charge
32. there should be no reason to change it except after you have the watch s battery replaced or when battery power drops to Level 4 e The current time for all city codes in the Timekeeping Mode and World Time Mode is calculated in accordance with the Greenwich Mean Time GMT differential for each city based on your Home City 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 12 hour 24 hour Timekeeping Formats The 12 hour 24 hour timekeeping format you select in the Timekeeping Mode is also applied in all other modes e With the 12 hour format the P PM indicator appears on the display for times in the range of noon to 11 59 p m and no indicator appears for times in the range of midnight to 11 59 a m e With the 24 hour format times are displayed in the range of 0 00 to 23 59 without any indicator Illumination Precautions e The electro luminescent panel that provides illumination loses power after very long use e Display illumination may be hard to see when viewed under direct sunlight e Illumination automatically turns off whenever an alarm sounds e Th
33. tion signal when the time in the Timekeeping Mode reaches 0 00 a m 1 00 a m 2 00 a m 3 00 a m and 4 00 a m each day calibration times The watch will also perform an additional auto receive at 5 00 a m if none of the regularly scheduled auto receive operations are successful Note Auto receive is performed only if the watch is in the Timekeeping Mode or World Time Mode when one of the calibration times is reached It is not performed if a calibration time is reached while an alarm is sounding or while you are configuring settings while settings are flashing on the display e Auto receipt 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 easily receive the signal e When auto receive is turned on the watch receives the calibration signal for two to six minutes everyday when the time in the Timekeeping Mode reaches each of the five calibration times Do not perform any button operation within six minutes before or after any of the five calibration times Doing so can interfere with correct calibration e Remember that reception of the calibration signal depends on the time kept in the digital display Reception will be performed whenever the display shows one of the five calibration times regardless of whether or not the displayed
34. tomatically return to the Timekeeping Mode if you do not perform any button operation for two or three minutes after displaying the last signal screen 2 Hold down until the Japan auto receive indicator flashes on the display This is the setting screen 3 Use or to specify the transmitter selection mode you want to use e Each press of or cycles through the available auto receive settings described below HTI Auto receive on The watch automatically selects the transmitter whose signal is strongest Signal reception can take up to 12 minutes when this option is selected hu Auto receive on for reception of the Japan auto receive Fukushima signal 40kHz indicator a Auto receive on for reception of the Fukuoka Saga signal 60kHz FF Auto receive off 4 Press to exit the setting screen e To return to the Timekeeping Mode from the last signal screen press Operation Guide 2752 CASIO Timekeeping e Resetting the seconds to 00 while the current count is in the range of 30 to 59 causes the minutes to be increased by 1 In the range of 00 to 29 the seconds are reset to 00 without changing the minutes e The day of the week is automatically displayed in accordance with the date year month and day settings e The year can be set in the range of 2000 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
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