Casio 5055 User's Manual
Contents
1. Alarm number Alarm time Hour Minutes To set an alarm time 1 In the Alarm Mode use to scroll through the alarm screens until the one whose time you want to set is displayed ue sal a one ume alarm o an alarm screen tL and Miek To set the snooze alarm dieplay the screen i is the hourly time signal setting The snooze alarm repeats every five minutes 2 After you select an alarm hold down for about three seconds until the hour setting of the alarm time starts to flash which indicates the setting screen e This operation turns on the alarm automatically 3 Press to move the flashing between the hour and minute settings 4 While a setting is flashing use and to change it 5 Press to exit the setting screen Alarm Operation The alarm tone sounds at the preset time for 10 seconds regardless of the mode the watch is in In the case of the snooze alarm the alarm operation is performed a total of seven times every five minutes until you turn the alarm off e Alarm and Hourly Time Signal operations are performed in accordance with the current time in your Home City as kept in the Timekeeping Mode e To stop the alarm tone after it starts to sound press any button e Performing any one of the following operations during a 5 minute interval between snooze alarms cancels the current snooze alarm operation Displaying the Timekeeping Mode setting screen Displayin2. UTC SEL Seoul LIS Lisbon 0 TYO Tokyo 9 LON London ADL Adelaide 9 5 MAD Madrid GUM Guam PAR Paris SYD Sydney 10 ROM Rome 1 NOU Noumea 11 BER Berlin WLG Wellington 12 STO Stockholm e Based on data as of March 2008 e The rules governing global times GMT differential and UTC offset and summer time are determined by each individual country
3. 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 illumination to turn on whenever you position your wrist as described below in any mode Note that this watch features a Full Auto LED Light so the auto light switch operates only when available light is below a certain level It does not illuminate the display under bright light e The auto light switch is always disabled regardless of its on off setting when any one of the following conditions exists While an alarm is sounding While a signal receive operation is in progress 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 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 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 operatio
4. 15 seconds a month with no signal calibration Digital Timekeeping Hour minutes seconds p m P month day day of the week Time format 12 hour and 24 hour Calendar system Full Auto calendar pre programmed from the year 2000 to 2099 Other Home City code can be assigned one of 48 city codes Standard Time Daylight Saving Time summer time Simultaneous Home Time Dual Time indication Analog Timekeeping Hour minutes hand moves every 10 seconds Time Calibration Signal Reception Auto receive 6 times a day Remaining auto receives cancelled as soon as one is successful five times for the China signal Manual receive Receivable Time Calibration Signals Mainflingen Germany Call Sign DCF77 Frequency 77 5 kHz Anthorn England Call Sign MSF Frequency 60 0 kHz Fort Collins Colorado the United States Call Sign WWVB Frequency 60 0 kHz Fukushima Japan Call Sign JJY Frequency 40 0 kHz Fukuoka Saga Japan Call Sign JJY Frequency 60 0 kHz Shangqiu City Henan Province China Call Sign BPC Frequency 68 5 kHz World Time 48 cities 29 time zones Other Daylight Saving Time Standard Time Home City World Time City Swapping Stopwatch Measuring unit 1 100 second Measuring capacity 23 59 59 99 Measuring modes Elapsed time split time two finishes Countdown Timer Measuring unit 1 second Input range 1 minute to 60 minutes 1 minute increments Other Auto repeat timing Alarms Four on
5. for important information you need to know when exposing the watch to bright light If the display of the watch is blank If the display of the watch is blank it means that the watch s Power Saving function has turned off the display to conserve power e See Power Saving Function for more information 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 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 Stopwatch Mode 3 Press twice to exit the setting screen e Normally your watch 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 operation in the middle of the night You also can perform manual receive or you can set the time manually e The watch will receive the time calibration signal automatically from the app
6. Approximate Exposure Time Outdoor Sunlight 50 000 lux 8 minutes Sunlight Through a Window 10 000 lux 30 minutes Daylight Through a Window on a Cloudy Day 5 000 lux 48 minutes Indoor Fluorescent Lighting 500 lux 8 hours e For details about the battery operating time and daily operating conditions see the Power Supply section of the Specifications e Stable operation is promoted by frequent exposure to light Recovery Times The table below shows the amount exposure that is required to take the battery from one level to the next Exposure Level Approximate Exposure Time Brightness Level5 Level4 Level3 Level 2 Level 1 Outdoor Sunlight 2 hours 21 hours 6 hours 50 000 lux Sunlight Through a 6 hours 78 hours 21 hours Window 10 000 lux Daylight Through a 10 hours 126 hours 34 hours Window on a Cloudy Day 5 000 lux Indoor Fluorescent 106 hours oo 8 e2e2e0 Lighting 500 lux e The above exposure time values are all for reference only Actual required exposure times depend on lighting conditions Timekeeping You can adjust the Home Time city data and time in the Timekeeping Mode manually You also can simultaneously display the current time in one other time zone by specifying a Dual Time City e For information about selecting a Dual Time City see To specify the Dual Time City e Pressing in the Timekeeping
7. Mode automatically if you do not perform any operation for two or three minutes in the Alarm Mode High Speed Movement e The and buttons are used to change the hand setting in various setting modes In most cases holding down these buttons will start high speed movement of the applicable hand s Initial Screens When you enter the World Time Mode or Alarm Mode the data you were viewing when you last exited the mode appears first Timekeeping e Resetting the seconds to amp amp 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 Du without changing the minutes 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 there should be no reason to change it except when battery power drops to Level 5 C e The current time for all city codes in the Timekeeping Mode and World Time Mode is calculated in accordance with the Coordinated Universal Time UTC for each city based on your Home City time setting Illumination Precautions e Illumination may be hard to see when viewed under direct sunlight e Illumination turns off automatically whenever an alarm sounds e Frequent use of illumination runs down the battery Auto light switch precautions e The auto light switch is turned off automatically whenever batte
8. Mode will cycle the lower display between the screens shown below Home City date Home City time Dual Time Read This Before You Set the Time and Date This watch is preset with a number of city codes each of which represents the time zone where that city is located When setting the time it is important that you first select the correct city code for your Home City the city where you normally use the watch If your location is not included in the preset city codes select the preset city code that is in the same time zone as your location e Note that all of the times for the World Time city codes and Dual Time City are displayed in accordance with the time and date settings you configure for the Timekeeping Mode To set the time and date manually 1 In the Timekeeping Mode hold down for about five seconds until the left dial hand points to T1 and the city code flashes on the upper display This is the setting screen 2 Use and to select the city code you want e Make sure you select your Home City code before changing any other setting e For full information on city codes see the City Code Table 3 Press to move the flashing in the sequence shown below to select the other setting 4 When the timekeeping setting you want to change is flashing use or to change it as described below CASIO Screen To do this Do this jg a Change
9. W WORK R READY e If signal reception is unstable during reception the left dial hand may move between W WORK and R READY e The hour and minute hands continue to keep time normally e Time calibration signal reception takes from two to 7 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 signal receive operation is successful GET appears on the upper display and the lower display shows the time and date of the successful operation The watch will adjust its time setting in accordance to with the information provided by the signal e The watch will return to the Timekeeping Mode if you press A or if you do not perform any operation for about one or two minutes e ERR will appear on the upper display if the receive operation is not successful The watch will not adjust its time setting in this case Press to return to the Timekeeping Mode Receive successful Note e To interrupt a receive operation and return to the Timekeeping Mode press any button To check the latest signal reception results In the Timekeeping Mode press to view the last successful receive time and date Press again to return to the previous screen et ED Date Hour Minutes CASIO Operation Guide 5055 Signal Reception Troubleshooting Check the following points whenever you experience problems with signal recept
10. position correction manually if you want e If the variation is greater than 55 minutes to 5 minutes you can trigger auto hand position correction manually or perform correction of the hour and minute hand home positions manually e If the dial hands are off you will need to correct their home positions manually To trigger the auto hand home position correction manually In the Timekeeping Mode hold down for about six seconds until H SET starts flashing on the upper display e Note that H SET will appear on the upper display about three seconds after you depress O but you should not release the button until H SET starts flashing The flashing H SET indicates that auto hour and minute hand home position correction has started e Auto hour and minute hand home position correction takes about three and a half minutes to complete Do not perform any other watch operation during that time e The watch will return to the Timekeeping Mode automatically after auto correction is complete e You will not be able to trigger auto correction while the watch is in the Countdown Timer Mode or while a countdown timer operation is in progress e To interrupt an ongoing auto correction press This will return to the Timekeeping Mode To adjust the home positions manually 1 In the Timekeeping Mode hold down for about three seconds until H SET appears on the upper display e The dial hands are in their correct home position
11. recovery mode The watch continues to keep time internally so normal timekeeping and function will resume as soon as battery power recovers to normal levels which is indicated when the R indicator disappears elf R recover appears frequently it probably means that remaining battery power is low Leave the watch in bright light for some time to allow it to charge Power recovery mode indicator Charging Precautions Certain charging conditions 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 e Too close to an incandescent lamp e Under direct sunlight Charging Guide After a full charge timekeeping remains enabled for up to about six 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
12. setting of the countdown start time starts to flash which indicates the setting screen e f the countdown start time is not displayed use the procedure under To use the countdown timer to display it 2 Press to move the flashing in the sequence shown below and select the setting you want to change Start time minutes es era 3 Perform the following operations depending on which setting is currently selected on the display e While the start time setting is flashing use and to change it e While the auto repeat on off setting Fy or HEF is flashing on the display press to toggle auto repeat on fF and off GFF 4 Press to exit the setting screen e The auto repeat on indicator iF1 is displayed on the Countdown Timer Mode screen while this function is turned on e Frequent use of auto repeat and the alarm can run down battery power CASIO Operation Guide 5055 Alarms When an alarm is turned on the alarm tone sounds when the alarm time is reached One of the alarms is a snooze alarm while the other four are one time alarms You also can turn on an Hourly Time Signal that causes the watch to beep twice every hour on the nor e ee are an a screens numbered F Pet and FL for the one time alarm a snooze eat screen indicated by pL The Hourly Time Signal screen is indicated by i e All of the operations in this section are performed in the Alarm Mode which you enter by pressing
13. the city code Use east and FoF Ausf west Cycle between Auto DST MHYH Press ifs Daylight Saving Time c sH and mmi F Standard Time HEE JL Toggle between 12 hour H and Press i ius fo 24 hour lt eaS crm Reset the seconds to Press O PULA ae 8 Change the hour and minutes Use and Lt Change the year month or day rara toggle between Power Saving on Press O P ma BO BO O and off FF 5 Press twice to exit the setting screen e For details about the Daylight Saving Time setting see To change the Daylight Saving Time summer time setting For information about Power Saving see To turn Power Saving on and off e Auto DST Fi can be selected only while i RY is selected as the Home City code For more Peme see e Daylight Saving Time DST below e The day of the week is displayed automatically in accordance with the date year month and day settings 12 hour and 24 hour timekeeping e With the 12 hour format the P PM indicator appears to the left of the hour digits for times in the range of noon to 11 59 p m and no indicator appears to the left of the hour digits 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 e The 12 hour 24 hour timekeeping format you select in the Timekeeping Mode is a
14. times and two finishes Hours e The digital display range of the stopwatch is 23 hours 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 hand will function as a 1 20 hand during the first second of an elapsed time operation After that it will function as a second hand until the first minute elapses After that it will function as a minute hand Whenever an elapsed time operation is stopped the stopwatch hand will indicate the current seconds count e The stopwatch measurement operation continues even Minutes 1 100 second _ if you exit the Stopwatch Mode Seconds Stopwatch hand 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 All of the operations in this section are performed in the Stopwatch Mode which you enter by pressing To measure times with the stopwatch Elapsed Time A Start Stop Re start Stop Clear Split Time Oo A Start Split Split release Stop Clear sp1 displayed Two Finishes Oo A Start Split Stop Split release Clear First runner Second runner Display time of finishes finishes second runner Display time of first runner Countdown Timer You can set the countdown timer within a range of one
15. MO0905 A Operation Guide 5055 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 Keep the watch exposed to bright light Bright Light The electricity generated by the solar cell of the watch is 2 lt stored by a built in battery Leaving or using the watch Tirira o where it is not exposed to light causes the battery to run a gt down Make sure the watch is exposed to light as much as Solar cell possible e When you are not wearing the watch on your wrist position the face so it is pointed at a source of bright light e You should try to keep the watch outside of your sleeve as much as possible Charging is reduced significantly if the face is only partially covered e The watch continues to operate even when it is not exposed to light Leaving the watch in the dark can cause the battery to run down which will result in some watch functions to be disabled If the battery goes dead you will have to re configure watch settings after recharging To ensure normal watch operation be sure to keep it exposed to light as much as possible Battery charges in the light Battery discharges in the dark Solar cell Bright Light Converts light to Electrical electrical power a energy LEVEL 1 JAIL functions enabled functions Some or all disabled Rechargeable battery General Guide e Press to change f
16. alibration signal automatically up to six times a day five times for the China signal 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 City and whether standard time or Daylight Saving Time is selected for your Home City Auto Receive Start Times Your Home City 1 p 3 4 5 6 LON Standard Time 1 00 am 2 00 am 3 00 am 4 00 am 5 00 am Midnight LIS Daylight Saving Time 2 00 am 3 00 am 4 00 am 5 00 am Midnight 1 00 am PAR Standard Time 2 00 am 3 00 am 4 00 am 15 00 am Midnight 1 00 am BER Daylight Saving Time 3 00 am 4 00 am 5 00 am Midnight 1 00 am 2 00 am MAD ROM STO ATH Standard Time 3 00 am 4 00 am 5 00 am Midnight 1 00 am 2 00 am Daylight Saving Time 4 00 am 5 00 am Midnight 1 00 am 2 00 am 3 00 am MOW Standard Time 4 00 am 5 00 am Midnight 1 00 am 2 00 am 3 00 am Daylight Saving Time 5 00 am Midnight 1 00 am 2 00 am 3 00 am 4 00 am a Standard Time 1 00 am 2 00 am 3 00 am 4 00 am 5 00 am BJ T Standard Time Midnight 1 00 am 2 00 am 3 00 am 4 00 am 5 00 am SEL HNL Standard Time and Midnight 1 00 am 2 00 am 3 00 am 4 00 am 5 00 am ANC Daylight Saving Time Next day Note e When a calibration time is reached the watch will receive the calibratio
17. anges U K and German Signals 1 500 kilometers Mainflingen Anthorn 500 kilometers U S Signal Eee nye ifs 2 000 miles Le 3 000 kilometers The Anthorn signal is receivable within this k area 600 miles 1 000 kilometers Bhae Fort Collins Japan Signals 500 kilometers 500 kilometers Fukuoka Saga M Fukushima aT 000 kilometers 1 000 kilometers Signals are receivable in the Taiwan area when reception conditions are good Faye Ve Doon Shanghai v i o 7 AL se Kong oO China Signal 1 500 kilometers 500 kilometers i ge PPA mac ES Shangqiu e Signal reception may not be possible at the distances that are futurer than those noted below during certain times of the year or day Radio interference may also cause problems with reception Mainflingen Germany or Anthorn England transmitters 500 kilometers 310 miles Fort Collins United States transmitter 600 miles 1 000 kilometers Fukushima or Fukuoka Saga Japan transmitters 500 kilometers 310 miles Shangqiu China transmitter 1500 kilometers 910 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 c
18. aving function Elapsed Time Hands and Display Operation in Dark 60 to 70 minutes Left dial hand PS Stopwatch All functions enabled except hand 60 Other hands for displays Normal Display Blank 6 or 7 days Left dial hand PS Other hands Auto receive beeper tone Stopped at 12 o clock illumination and display Display Blank disabled 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 9 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 for about five seconds until the left dial hand points to T1 and the city code flashes on the upper display This is the setting screen 2 Press nine times until the Power Saving on off screen appears 3 Press O to toggle Power Saving on ff f and off GFF 4 Press twice to exit the setting screen On Off status Radio controlled Atomic Timekeeping Precautions e Strong electrostatic charge can cause the time setting to be thrown off e The time calibration signal bounces off the ionosphere Because of this
19. ay CASIO Operation Guide 5055 e Proper signal reception can be difficult or even impossible under the conditions listed below Inside or Inside a Near household Neara Near high Among or among vehicle appliances construction tension power behind buildings office site airport or lines mountains equipment other sources or a mobile of electrical phone noise 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 The time calibration signal the watch will attempt to pick up depends on its current Home City code setting as shown below Home City Code Transmitter Frequency LON PAR BER ATH Anthorn England 60 0 kHz LIS MAD ROM STO MOW Mainflingen Germany 77 5 kHz HKG BJS Shangqiu City China 68 5 kHz Fukushima Japan 40 0 kHz ERE TYO SEL Fukuoka Saga Japan 60 0 kHz HNL ANC LAX DEN f CHI NYC YVR YEA MEX he eo 60 0 kHz MIA YTO YHZ YYT The areas covered by the HNL ANC and MOW city codes are quite far from the time calibration signal transmitters and so certain conditions may cause problems with signal reception e Calibration signal reception is disabled while a countdown timer operation is in progress Approximate Reception R
20. e battery to store power produced by the solar cell so regular battery replacement is not required However after very long use the rechargeable battery may lose its ability to achieve a full charge If you experience problems getting the special rechargeable battery to charge fully contact your dealer or CASIO distributor about having it replaced e Never try to remove or replace the watch s special battery yourself Use of the wrong type of battery can damage 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 5 C 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 Power Recovery Mode indicator The battery power indicator indicates you the current status of the rechargeable battery s power Function Status All functions enabled Level Battery Power Indicator All functions enabled 3 f IIG Auto and manual receive L CD TNS illumination and beeper Battery P a disabled daa ower Charge Soon Alert i 4 Except for timekeeping all C E TY functions and display indicators disabled All functions disabled 5 F C e The flashing Liu indicator at Lev
21. e continental United States and Mexico e As of January 2008 China does not use Daylight Saving Time DST If China does go to the Daylight Saving Time system in the future some functions of this watch may no longer operate correctly To specify your Home City 1 In the Timekeeping Mode hold down for about five City code seconds until the left dial hand points to T1 and the city Left dial code flashes on the upper display This is the setting hand screen 2 Press O east and west to select the city code you want to use as your Home City LIS LON Lisbon London MAD PAR ROM BER STO Madrid Paris Rome Berlin Stockholm ATH Athens MOW Moscow HKG BJS TPE Hong Kong Beijing Taipei oe SEL TYO Seoul Tokyo PM indicator Seconds HNL Honolulu Hour Minutes ANC Anchorage YVR LAX Vancouver Los Angeles YEA DEN Edmonton Denver MEX CHI Mexico City Chicago MIA YTO NYC Miami Toronto New York YHZ Halifax YYT St Johns e The actual level at which some functions are disabled depends on the watch model e Frequent display illumination can run down the battery quickly and require charging The following guidelines give an idea of the charging time required to recover from a single illumination operation Approximately 5 minutes exposure to bright sunlight coming in through a window Approximately about 8 hours exposure to indoor fluorescent lighting e Be sure to read Power Supply
22. e time alarms one snooze alarm Hourly Time Signal IIlumination LED light emitting diode Auto Light Switch Other Power Saving Auto hour and minute hand home position correction each hour Power Supply Solar cell and one rechargeable battery Approximate battery operating time 6 months from full charge to Level 5 C under the following conditions e Watch not exposed to light e Internal timekeeping 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 of alarm operation per day e 4 minutes of signal reception per day Frequent use of illumination runs down the battery Particular care is required when using the auto light switch City Code Table Gone City GMT Bitterontil Code City GMT bitterentia PPG Pago Pago 11 ATH Athens HNL Honolulu 10 CAI Cairo 2 ANC Anchorage 9 JRS Jerusalem YVR Vancouver MOW Moscow LAX Los Angeles JED Jeddah 3 YEA Edmonton THR Tehran 3 5 DEN Denver a DXB Dubai 4 MEX Mexico City KBL Kabul 4 5 CHI Chicago 6 KHI Karachi 5 MIA Miami DEL Delhi 5 5 YTO Toronto 5 DAC Dhaka 6 NYC New York RGN Yangon 6 5 SCL Santiago BKK Bangkok 7 YHZ Halifax 4 SIN Singapore YYT St Johns 3 5 HKG Hong Kong RIO Rio De Janeiro 3 BJS Beijing 8 RAI Praia 1 TPE Taipei
23. el 3 L tells you that battery power is very low and that exposure to bright light for charging is required as soon as possible e At Level 5 C all functions are disabled and settings return to their initial factory defaults Once the battery reaches Level 2 M after falling to Level 5 C reconfigure the current time date and other settings e Display indicators reappear as soon as the battery is charged from Level 5 C to Level 2 M e The watch s Home City code setting will change automatically to TYO Tokyo whenever the battery drops to Level 5 C With this Home City code setting the watch is configured to receive the time calibration signals of Japan If you are using the watch in North America or Europe or China you will need to change the Home City code setting to match your location whenever the battery drops to Level 5 C e Leaving the watch exposed to direct sunlight or some other very strong light source can cause the battery power indicator to show a reading temporarily that is higher than the actual battery level The correct battery level should be indicated after a few minutes CASIO Operation Guide 5055 e Overuse of display illumination or the beeper can cause the R Recover indicator to appear in the upper display which indicates that the watch is in the battery power recovery mode Face illumination the alarm the countdown timer alarm time signals and all hand operations are disabled in the power
24. er drops to Level 5 C or when you have the rechargeable battery replaced If this happens change the Home City to the setting you want Transmitters The time calibration signal received by this watch depends on the currently selected Home City code e When a U S time zone is selected the watch receives the time calibration signal transmitted from the United States Fort Collins e When a Japanese time zone is selected the watch receives the time calibration signal transmitted from Japan Fukushima and Fukuoka Saga e When a European time zone is selected the watch receives the time calibration signals transmitted from Germany Mainflingen and England Anthorn e When a China time zone is selected the watch receives the time calibration signals transmitted from China Shangqiu City e When your Home City is LIS LON MAD PAR ROM BER STO ATH MOW which can receive both the Anthorn and Mainflingen signals the watch first tries to pick up the signal it last successfully received If that fails it tries the other signal For the first receive after you select your Home City the watch tries the nearest signal first Anthorn for LIS LON Mainflingen for MAD PAR ROM BER STO ATH and MOW Auto Return Features 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 e The watch will return to the Timekeeping
25. exit the setting screen e The DST indicator appears to indicate that Daylight Saving Time is turned on Dual Time Dual Time lets you display the current time in another time zone called your Dual Time City in addition your Home City s current time This feature is very handy for business professionals and others who need to keep track of the current time in two different time zones e For information about how to display the current time in the Dual Time City in the lower display see Timekeeping To specify the Dual Time City 1 In the Timekeeping Mode hold down for about five seconds until the left dial hand points to T1 and the city code flashes on the upper display 2 Press again The left dial hand will move to T2 and the current Dual Time City code will start to flash on the upper display This is the Dual Time City selection screen 3 Use eastward and westward to scroll through the available city codes e See the City Code Table for information about city Left dial hand codes 4 Press to exit the setting screen Operation Guide 5055 Hand Home Position Correction The hour and minute hands of the watch can be thrown off by exposure to strong magnetism or impact The watch is designed to perform hour and minute hand correction automatically every hour in order to correct variation within the range of 55 minutes to 5 minutes e You can trigger auto hour and minute hand
26. g the E setting screen To turn an alarm on and off 1 In the Alarm Mode use to select an alarm Snooze alarm indicator 2 Press to toggle it on and off Alarm on e zane onaalarm Fil E ALS or indicator P displays the slain on dear on its Alana Mode screen e In all modes the alarm on indicator is shown for any alarm that is currently turned on e The alarm on indicator flashes while the alarm is sounding e The snooze alarm indicator flashes while the snooze alarm is sounding and during the 5 minute intervals between alarms To turn the Hourly Time Signal on and off 1 In the Alarm Mode use to select the Hourly Time Signal Ei 2 Press A to toggle it on and off e The Hourly Time Signal on indicator is shown on the display in all modes while this function is turned on Hourly time signal on indicator Illumination Dea aneaiacn An LED light emitting diode illuminates the face of the fa a EA j A 3 watch for easy reading in the dark The watch s auto light switch turns on illumination automatically when you angle the watch towards your face e The auto light switch must be turned on indicated by the auto light switch on indicator for it to operate e See Illumination Precautions for other important information about using illumination To illuminate the display manually In any mode except when a setting screen is on the display press B to turn on the illumination for about one
27. ion Problem Probable Cause What you should do can t e You performed some button operation e Perform manual signal receive a during the auto receive operation receive at night or wait until time e The watch is not in the Timekeeping the next auto signal receive calibration Mode or World Time Mode operation is performed signal e The watch is in a location where the e Enter the Timekeeping signal cannot be received for some Mode or World Time Mode reason and try again e A countdown timer operation is in e Enter the Countdown Timer progress Mode and stop the e Radio interference is often present countdown e Check to make sure the watch is in a location where during the day time which can interfere with calibration signal reception it can receive the signal Time setting e If the time is one hour off the DST e Change the DST setting to is incorrect setting may be incorrect Auto DST following e The Home City code setting is not e Select the correct Home signal correct for the area where you are City code reception using the watch e Enter the home position e The home position of the hands is off adjustment mode and adjust the home position e For further information see Important under Time Calibration Signal Reception and Radio controlled Atomic Timekeeping Precautions World Time World Time shows the current time in 48 cities 29 time zones around the world A simp
28. le operation swaps your Home City with the currently selected World Time city e The times kept in the World Time Mode are synchronized with the time being kept in the Timekeeping Mode If you feel that there is an error in any World Time Mode time check to make sure you have the correct city selected as your Home City Also check to make sure that the current time as shown in the Timekeeping Mode is correct e Select a city code in the World Time Mode to display the current time in any particular time zone around the globe See the City Code Table for information about the UTC offset settings that are supported e All of the operations in this section are performed in the World Time Mode which you enter by pressing City code Current time in selected city To view the current time in another time zone In the World Time Mode use to scroll through available city codes time zone Holding down the button scrolls at high speed e When the city code time zone you want is selected you can press to display the date After about one second the watch will resume regular timekeeping 6 Press ara L K Ty A CA fo amir EY Uj ai Hour Minutes Seconds Date To toggle a city code time between Standard Time and Daylight Saving Time 1 In the World Time Mode press to display the city code time zone whose Standard Time Daylight Saving Time setting you want to change 2 Hold dow
29. licable transmitter in the middle of the night and update its settings accordingly For information about the relationship between city codes and transmitters see Important under Time Calibration Signal Reception and Transmitters e See the maps under Approximate Reception Ranges for information about the reception ranges of the watch 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 five times for the China signal 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 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 This watch is designed to receive a time calibration signal late at night Because of this you should place the watch near a window as shown in the illustration when you take it off at night Make sure there are no metal objects nearby 12 o clock e Make sure the watch is facing the right w
30. minute to 60 minutes An alarm sounds when the countdown reaches zero e You also can 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 Start time minutes Minutes Seconds 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 When auto repeat is turned on the countdown will restart automatically without pausing when it reaches zero The alarm sounds to signal when the countdown reaches zero The countdown is repeated up to eight times and then stop e The number of the current repeat 1 to 8 is shown in the lower display e The countdown timer measurement operation continues even if you exit the Countdown Timer Mode e To stop a countdown timer operation completely first pause it by pressing and then press This returns the countdown time to its starting value To configure countdown start time and auto repeat settings 1 While the countdown start time is on the display in the Countdown Timer Mode hold down for about three seconds until the minute
31. n A for about three seconds to toggle between Daylight Saving Time DST indicator displayed and Standard Time DST indicator not displayed e The DST indicator is shown on the World Time Mode screen while Daylight Saving Time is turned on DST indicator Swapping your Home City and World Time City You can use the procedure below to swap your Home City and World Time city This changes your Home City to your World Time city and your World Time city to your Home City This capability can come in handy when you frequently travel between two cities in different time zones e If your current World Time city supports receipt of a time calibration signal making it your Home City enables calibration signal reception e For information about which cities support time calibration signal reception see To specify your Home City To swap your Home City and World Time city 1 In the World Time Mode use to select the World Time city you want 2 Hold down and until the watch beeps e This will make the World Time city which you selected in step 1 your Home City At the same time it changes the Home City you had selected prior to step 2 your World Time city e After swapping the Home City and World Time city the watch stays in the World Time Mode with the city that was selected as the Home City prior to step 2 now displayed as the World Time city Stopwatch The stopwatch lets you measure elapsed time split
32. n 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 hold down for about three seconds to toggle the auto light switch on auto light switch on indicator displayed and off auto light switch on indicator not displayed e The auto light switch on indicator is on the display in all modes while the auto light switch is turned on Power Supply This watch is equipped with a solar cell and a special 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 Solar cell pointing at a light source aCe Oange e The illustration shows how to position ps 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 You should try to keep the watch outside of your sleeve as much as possible Charging is reduced significantly if the face is covered only partially 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 Be sure that the watch is exposed to bright light whenever possible e This watch uses a special rechargeabl
33. n signal only if it is in either the Timekeeping Mode or World Time Mode Reception is not performed if a calibration time is reached 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 a calibration time Do not perform any button operation within 14 minutes before or after the calibration times Doing so can interfere with correct calibration e Remember that reception of the calibration signal depends on the current time in your Home City as kept in the Timekeeping Mode To perform manual receive os 1 Place the watch on a stable surface so its 12 o clock Receiving side is facing towards a window 2 In the Timekeeping Mode hold down for about two seconds until the watch beeps 3 The digital display will go blank and the left dial hand will move to R READY This indicates that the watch is getting ready for time calibration signal reception e See the information under Signal Reception Troubleshooting if you experience problems e The left dial hand will move to W WORK and stay there while actual reception is in progress
34. pplied in all other modes 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 transmitted from Mainflingen Germany Anthorn England or Fort Collins the United States 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 signals e Though the time calibration signal transmitted by the Fukushima and Fukuoka Saga Japan transmitters include summer time data summer time currently is not implemented in Japan as of 2008 e The default ed setting S AuIp DST ee eine eoee MEX eI as S your Home City cc code if you experience fs e receiving g the ime calibration signal in your area it probably is 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 for about five seconds until the left dial hand points to T1 and the city code flashes on the upper display This is the setting screen 2 Press and the DST setting screen appears 3 Use to cycle through the DST settings in the sequence shown below DST indicator 4 When the setting you want is selected press twice to
35. rom mode to mode e In any mode except when a setting screen is on the display press B to illuminate the display for about one second Timekeeping Mode Press Radio controlled Atomic Timekeeping This watch receives a time calibration signal and updates its time setting accordingly e This watch is designed to pick up the time calibration signals transmitted in Germany Mainflingen England Anthorn the United States Fort Collins China Shangqiu and Japan Fukushima Fukuoka Saga 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 City the city where you normally will use the watch For more information see To specify your Home City e When using the watch outside the areas covered by the time signal transmitters you will have to adjust the current time setting manually as required See To set the time and date manually for more information about manual time settings 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 th
36. ry power is at Level 4 C e Avoid wearing the watch on the inside of your wrist Doing so causes the auto light switch to operate when it is not needed which shortens battery life If you want to wear the watch on the inside of your wrist turn off the auto light switch feature 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 Ilumination turns off in about one second even if you keep the watch pointed towards your face N 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 toward 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 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 CASIO Operation Guide 5055 CASIO Specifications Accuracy at normal temperature
37. s when the left dial hand moves to C CHG and the stopwatch hand moves to 60 If they don t use B to adjust the left dial hand position and to adjust the stopwatch hand position 2 After confirming that both dial hands are in their correct home positions press e This will change to hour hand and minute hand home position manual correction e The hour and minute hands are in their correct home positions if they are pointing to 12 o clock If they are not use and to adjust their positions as required e Pressing here will return to the setting at the beginning of step 2 3 After everything is the way you want press to return to the Timekeeping Mode e After you complete the home position adjustment procedure place the watch in a location that allows Correct hour and good time calibration signal reception and then a minute hand manual receive operation See To perform manual positions receive for more information Correct dial hand positions 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 enters a sleep state automatically whenever the watch is left in an area for a certain period where it is dark The table below shows how watch functions are affected by the Power S
38. 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 update the date and day of the week automatically 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 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 the time with the precision noted in Specifications e 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 e The Home City setting reverts to the initial default of Tr 1 Tokyo whenever the battery pow
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