Casio 2637 Watch User Manual
Contents
1. oO Start Stop Re start Stop Clear Split Time 8 A 8 8 Start Split Split release Stop Clear SPL displayed Two Finishes D o gt 0 gt Start Split Stop Split release Clear First runner Second runner Display time of finishes finishes second runner Display time of first runner Backlight The backlight uses 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 turns on the backlight when you angle the watch towards your face in the dark e The auto light switch must be turned on indicated by the auto light switch on indicator for it to operate e See Backlight Precautions for other important information about using the backlight To turn on the backlight manually In any mode press to illuminate the display for about Module 2637 one second e The above operation turns on the backlight regardless of BaP the current auto light switch setting Module 2687 About the Auto Light Switch Turning on the auto light switch causes the backlight 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 turn on the backlight under bright ight Auto2. Power Saving function automatically enters a sleep state whenever the watch is left in an area where it is dark for a certain period The table below shows how watch functions are affected by the Power Saving function Elapsed Time Display Operation in Dark 60 to 70 minutes Blank with Sleep indicator S All functions enabled except SLEEP4 flashing for the display 6 or 7 days Blank with Sleep indicator Sq Beeper tone backlight display SLEEP not flashing and auto receipt of the calibration signal are 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 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 It can take up to two seconds for the display to turn on 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 This causes the city code to flash which indicates the setting screen 2 Press again 3 Press seven times until the Power Saving on off screen appears 4 Press to toggle Power Saving on f and off GFF 5 After the setting is the way you want press to exit Power saving the setting scr
3. alarm that is currently turned on When the snooze alarm is on the snooze alarm indicator is displayed in all modes e The alarm on indicator flashes while the alarm is sounding e The snooze alarm indicator flashes during the 5 minute intervals between alarms Alarm on indicator Module 2687 To turn the Hourly Time Signal on and off 1 In the Alarm Mode use to select the Hourly Time Signal 143 2 Press 8 to toggle it on Hourly Time Signal on indicator displayed and off Hourly Time Signal on indicator not displayed e The Hourly Time Signal on indicator is displayed in all Module 2607 modes when the Hourly Time Signal is turned on Hourly time signal on indicator Module 2687 Stopwatch The stopwatch lets you measure elapsed time split times Hours and two finishes Minutes Seconds The 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 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 Home city time e All of the operations in this section are performed in the 1 100 second Stopwatch Mode which you enter by pressing To measure times with the stopwatch Elapsed Time O x wo O
4. leave the watch in the Time Recorder Mode or Alarm Mode for two or three minutes without performing any operation it automatically returns to the Timekeeping Mode e If you leave a screen with flashing digits on the display for two or three minutes without performing any operation the watch automatically saves anything you have input up to that point and exits the setting screen Data and Setting Scrolling The and O 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 scroll operation scrolls through the data at high speed Initial Screens When you enter the Alarm or World Time Mode the data you were viewing when you last exited the mode appears first Time Calibration Signal Reception Precautions e Reception is best when the antenna built into the 12 o clock edge of the watch is facing in the general direction of the signal transmitter Note however that moving the watch while the time calibration signal receive operation is taking place will make stable reception impossible e Proper signal reception can be difficult or even impossible under the conditions listed Inside or Inside a Neara Near high Among or among vehicle household construction tension behind buildings appliances or site airport or power lines mountains office other sources equipment of electrical noise e Radio interference can make signal reception impossible Strong el
5. DIS ABABA NAIROBI JED JEDDAH MOSCOW THR TEHRAN SHIRAZ DXB DUBAI ABU DHABI MUSCAT KBL KABUL A KHI KARACHI MALE DEL DELHI i MUMBAI KOLKATA DAC DHAKA COLOMBO RGN YANGON BKK BANGKOK JAKARTA PHNOM PENH HANOI VIENTIANE SINGAPORE KUALA LUMPUR BEIJING TAIPEI HKG HONG KONG MANILA PERTH ULAANBAATAR TYO TOKYO SEL SEOUL PYONGYANG ADL ADELAIDE 9 5 DARWIN SYD SYDNEY 10 MELBOURNE GUAM RABAUL NOU NOUMEA 11 PORT VILA WLG WELLINGTON 12 CHRISTCHURCH NADI NAURU ISLAND e Based on data as of December 2002
6. Operation Guide 2607 2637 2687 casio 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 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 display of the watch is blank If the sleep indicator Sq SLEEP is on the display it means that the display is blank because the watch s Power Saving function has shut it to conserve power Power Saving automatically turns off the display and enters a sleep state whenever your watch is left in an area where it is dark for a certain period e The initial factory default setting is Power Saving on e The watch recovers from the sleep state if you move it to a well lit area if you press any button or if you angle the watch towards your face for reading It can take up to two seconds for the display to turn on e See Power Saving Function for more information Sleep indicator General Guide e Press to change from mode to mode e In any mode press to illuminate the display Timekeeping Mode Timekeeping Use the Timekeeping Mode to set and view the cu
7. Standard Time DST indicator not displayed e The DST indicator is on the display whenever you display a city code for which Daylight Saving Time is turned on Note that the DST Standard Time setting affects only the currently displayed city code Other city codes are not affected e Daylight Saving Time DST advances the time setting by one hour from Standard Time Remember that the not all countries or even local areas use Daylight Saving Time e The watch will perform a signal receive operation 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 Home City time Module 2687 Operation Guide 2607 2637 2687 casio Time Recorder Time record number The Time Recorder lets you store up to 30 records of the current time month day hour minutes seconds and DST on off setting with the touch of a button One way you can use the Time Recorder is to record the start time and the end time of a particular event To record a Time Recorder time In the Timekeeping Mode hold down to record the Home City time month day hour minutes seconds and Recorded date DST on off setting Mouth Day e The recorded time flashes for about two seconds and then it is assigned a record number After that the Timekeeping Mode screen appears e Records assigned numbers sequentially from 4 through e Storing a new time
8. cleared from the display at 3 00 AM each day e If you do not see the Level 4 receiving indicator except for the above reason it means there was some problem with the calibration reception operation Either perform reception manually or make sure the watch is set up properly to receive the time calibration signal for the next automatic reception time 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 The Level 4 receiving indicator is displayed only when the watch is able to successfully receive both time and date data It does not appear when only time data is received 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 When auto receive is turned on the watch receives the calibration signal for two to six minutes each day when the Timekeeping Mode time reaches 2 00 AM 3 00 AM 4 00 AM and 5 00 AM Do not operate any of the watch s buttons within six minutes prior to or following the calibration times Doing so can interfere with correct calibration e Remember that reception of the calibration signal depends on the time kept in the Timekeeping Mode The receive operation will be p
9. d date manually City code 1 In the Timekeeping Mode hold down until the city airy code starts to flash which indicates the setting screen 2 Press or to move the flashing in the sequence shown below to select other settings 12 24 Hour 7 Format Seconds gt Hour H minutes Power Saving on off Day 4 Month eae Year 3 When the setting you want to change is flashing use and or to change it as described below Setting Screen City code EER Button Operations Use and to change the setting Press O to toggle between Daylight Saving Time Gf and Standard Time GFF e Pressing performs a different operation when BER PAR LON or ATH is selected as Home City Code See Auto DST Summer Time Switching Press O to toggle auto receive on and off DST OFF Auto Receive on Press to toggle between 12 hour 12H and 24 hour 24H timekeeping fi Use and to change the 9 56 s0 setting Seconds Press to reset the seconds to 00 Year oe Use and to change the Month Day 6 38 setting Press to toggle the Power Saving on ON and off OFF 12 24 Hour format 12H Hour Minutes Power Saving on off on 4 Press to exit the setting screen e The auto receive setting is used for time calibration signal reception only See About Auto Rec
10. e 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 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 the your Home City time setting e GMT differential is calculated by this watch based on UTC data The letters UTC stands for Universal Time Coordinated which is the world wide scientific standard of timekeeping It is based upon carefully maintained atomic cesium clocks that keep accurate 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 the A AM 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 Power Saving Function When turned on the
11. ectrostatic charge can result in the wrong time being set e Even when the watch is within the reception range of the transmitter signal reception is impossible if the signal is blocked by mountains or other geological formations between the watch and signal source Signal reception is affected by weather atmospheric conditions and seasonal changes The time calibration signal is bounced 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 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 receive signals that differentiate between leap years and non leap years 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 Operation Guide 2607 2637 2687 casio e Check the following points whenever you experience problems with your watch Problem Probable Cause What you should do Cannot perform e The watch is not in the Timekeeping Mode e Enter the Timekeeping Mode manual receive e You do not s
12. een on indicator e The Power Saving on indicator is on the display in all modes while the Power Saving is turned on Backlight Precautions The electro luminescent panel that provides illumination loses power after very long use e The illumination provided by the backlight may be hard to see when viewed under direct sunlight e The 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 The backlight automatically turns off whenever an alarm sounds e Frequent use of the backlight shortens the battery operating time Auto light switch precautions e Wearing the watch on the inside of your wrist as well as movement or vibration of your arm can cause the auto light switch to activate and illuminate 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 More than 15 e The backlight may not light if the face of the watch is degrees too high more than 15 degrees above or below parallel Make sure that the back of your hand is parallel to the ground e The backlight turns off in about one second even if you keep the watch pointed towards your face Static electricity or magnetic force can interfere with proper operation of the auto light switch If the backlight does not light try moving the watch back to the starting p
13. een Standard Time and DST summer time automatically in accordance with the calibration signal e Daylight Saving Time DST advances the time setting by one hour from Standard Time Remember that not all countries or even local areas use Daylight Saving Time e When using the watch within the reception range of the Mainflingen transmitter and BER PAR LON or ATH is selected as the Home City code select Auto DST to turn on the auto DST summer time setting e The default DST setting is Auto DST whenever you select BER PAR LON or ATH 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 e See To set the current time and date manually for information about configuring DST summer time settings 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 and the DST summer time setting screen appears 3 Use to cycle through the DST settings in the sequence shown below lose DST off GFF DST on g TJ 4 When the setting you want is selected press twice to exit the setting screen Timekeeping e The day of the week is automatically displayed in accordance with the date year month and day settings e Th
14. eive for details e See City Code Table for a complete list of available city codes 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 World Time World Time shows the current time in 30 cities 29 time zones around the world e For full information on city codes see the City Code Table e The current time for all city codes in the World Time Mode is calculated in accordance with the Greenwich Mean Time GMT differential for each city based on the your Home City time setting e All of the operations in this section are performed in the World Time Mode which you enter by pressing City code Home city time Current time in the selected city code To view the time in another city code While in the World Time Mode press O to scroll through the city codes time zones to the east or 8 to scroll to the west e If the current time shown for a city is wrong check your Timekeeping Mode time and Home City settings and make the necessary changes 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 DST indicator city code time zone whose Standard Time Daylight Saving Time setting you want to change 2 Hold down to toggle Daylight Saving Time DST indicator displayed and
15. elect one of the following and try again City Codes as your Home City Code e Select the correct Home City BER PAR LON or ATH Code Auto receive is e You changed the time setting manually e Perform manual signal receive turned on but e The watch was not in the Timekeeping or wait until the next auto the Level 4 or World Time Mode or you were signal receive operation is receiving performing some button operation performed indicator does during the auto signal receive operation not appear on was performed the display Even if receive is successful the Level 4 receiving indicator disappears every day at 3am Time data hour minutes seconds only Check to make sure the watch was received during the last receive is in a location where it can operation The Level 4 receiving receive the signal indicator appears only when time data and date data year month day are both received Time setting is If the time is one hour off the DST e Change the DST setting to incorrect setting may be incorrect Auto DST following signal The Home City Code setting is not e Select the correct Home City reception correct for the area where you are using Code the watch Auto DST Summer Time Switching The time calibration signal transmitted from Mainflingen Germany includes both Standard Time and Daylight Saving Time summer time data When auto DST summer time switching is turned on the watch switches betw
16. erformed whenever the display shows 2 00 AM 3 00 AM 4 00 AM and 5 00 AM regardless of whether or not the Timekeeping Mode time is actually the correct time e When two three or four 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 To turn auto receive on and off 1 In the Timekeeping Mode hold down until the city code starts to flash which indicates the setting screen 2 Press twice to move the flashing to the auto receive on off setting 3 Press to toggle auto receive on Qf and off GFF e If the current Home City setting is a city code that does not support signal receive appears in place of the on off indicator This means you cannot turn auto receive on or off 4 Press twice to exit the setting screen e For information about city codes that support signal receive see To set up the watch for use in Western Europe Setting the Time and Date Manually Make sure you select your Home City code the city code whose time and date you are setting before 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 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 time an
17. hecking signal strength and for finding the best location for the watch during signal receive operations e Following reception of the time calibration signal and calibration of the watch s time setting the Level 4 receiving indicator will remain on the display in all modes The Level 4 receiving indicator will not be displayed if signal reception was unsuccessful or after you adjust the current time setting manually About Auto Receive When auto receive is turned on the watch automatically starts to receive the time calibration signal when the time in the Timekeeping Mode reaches 2 00 AM 3 00 AM 4 00 AM and 5 00 AM each day calibration times Note e The auto receive operation is performed only if the watch is in the Timekeeping or World Time Mode when one of the calibration times is reached It is not performed if a calibration time is reached while you are making settings while settings are flashing on the display or while an alarm is sounding 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 ina location where it can easily receive the signal e The Level 4 receiving indicator indicates that either the 2 00 AM 3 00 AM 4 00 AM or 5 00 AM calibration signal reception was successful Note however that the Level 4 receiving indicator is
18. how Module 2607 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 Light Module 2687 Light Module 2607 Module 2637 Time Recorder Mode EFEN Alarm Mode e When getting ready to receive the time calibration signal position the watch as shown in the nearby illustration and place it near a window in a location where there are no nearby metal objects e The watch should not be on its side or facing the wrong way e See the information under Time Calibration Signal Reception Precautions if you experience problems with time calibration signal reception e After signal reception is complete the display of the watch changes to the Last Signal screen Time Calibration Signal Reception This watch is designed to pick up a time calibration signal and update its time setting in accordance with the signal There are two different methods you can use to receive the signal Auto Receive and Manual Receive With Auto Receive the watch automatically receives the calibration signal four times each day and makes appropriate adjustments With Manual Receive you perform a specific button operation to receive the calibration signal e This watch is able to receive the time calibration signal transmitted from Ma
19. inflingen Germany located 25 kilometers southeast of Frankfurt Signal reception is possible within the area represented by a circle with a radius of about 1000 kilometers e At distances further than about 500 kilometers the signal may become weak and reception may be impossible under certain conditions e Signal reception may be poor in the shaded area on the map even though it is within 1 000 kilometers of the signal transmitter Note e If you are using the time calibration signal to set the time for this watch be sure to correctly set your Home City Otherwise there is the chance that the watch will not set the correct time See Setting the Time and Date Manually for details Note that signal reception is possible only when the watch is within range of a time calibration signal transmitter and BER PAR LON or ATH is selected as the Home City code e See City Code Table for a complete list of available city codes e The current time setting in accordance with the time calibration signal takes priority over any time settings you make Auto receive is turned on when the watch is shipped from the factory e See the information under Time Calibration Signal Reception Precautions if you experience problems with time calibration signal reception Operation Guide 2607 2637 2687 casio To perform manual time calibration signal reception 1 Place the watch on a stable surface so its top 12 o clock side is fac
20. ing towards a window 2 In the Timekeeping Mode hold down for about two seconds until the watch beeps e Release and the message RC appears to indicate that signal reception has started e Time calibration signal reception takes from two to six minutes Take care that you do not move the watch during this time After signal reception is complete the display of the watch changes to the Last Signal screen e The Level 4 receiving indicator indicates that the time calibration reception attempt was successful Receiving indicator Note e To interrupt a receive operation and return to the Timekeeping Mode press e If the receive operation is unsuccessful the message ERR 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 ERR screen to the normal timekeeping screen by pressing 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 Modules 2607 2637 and 2687 Moaule 2607 fF E Module 2637 GA Weak 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 e Use the receiving indicator as a guide for c
21. light switch on indicator Moving the watch to a position that is parallel to the ground and then tilting it towards you more than 40 degrees causes the backlight to turn on More than 40 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 2607 2637 2687 casio To turn the auto light switch on and off In any mode hold down for about two seconds to toggle the auto light switch on auto light switch on indicator displayed or 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 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 y
22. osition 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 the backlight may not light until about one second after you turn the face of the watch towards you This does not necessarily indicate malfunction of the backlight 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 ES City Dini Other major cities in same time zone 11 PAGO PAGO HNL HONOLULU 10 PAPEETE ANC ANCHORAGE 9 NOME SAN FRANCISCO LAS VEGAS VANCOUVER Die MEOS ANGELES 58 SEATTLE DAWSON CITY DEN DENVER F EL PASO EDMONTON CHI CHICAGO 6 HOUSTON DALLAS FORT WORTH NEW ORLEANS MEXICO CITY WINNIPEG MONTREAL DETROIT MIAMI BOSTON PANAMA CITY HAVANA LIMA BOGOTA LA PAZ SANTIAGO PORT OF SPAIN SAO PAULO BUENOS AIRES BRASILIA MONTEVIDEO NYC NEW YORK 5 CCS CARACAS 4 RIO RIO DE JANEIRO 3 san a 1 PRAIA GMT 40 DUBLIN LISBON CASABLANCA DAKAR LON LONDON ABIDJAN PAR PARIS 1 MILAN ROME MADRID AMSTERDAM ALGIERS BER BERLIN HAMBURG FRANKFURT VIENNA STOCKHOLM ATH ATHENS HELSINKI ISTANBUL BEIRUT DAMASCUS CAI CAPE TOWN CAIRO JRS JERUSALEM KUWAIT RIYADH ADEN AD
23. ou should position the watch for charging Example Orient the watch so its face Solar cell is pointing at a light source e Note that charging efficiency drops when any part of the solar cell is blocked by clothing etc e The illustration shows how to position a watch with a resin band 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 normally exposed to bright light whenever possible e This watch employs a solar cell that converts light into electricity that charges a built in rechargeable battery 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 contact your dealer or CASIO distributor about having the rechargeable battery 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 a
24. rea normally exposed to bright light when storing it for long periods This helps to keep the rechargeable battery from going dead Battery Power Indicator The battery power indicator on the display shows you the current status of the rechargeable battery s power Level Battery Power Indicator Function Status Battery power 1 Module 2607 2637 2687 All functions enabled indicator All functions enabled Beeper tone backlight calibration signal reception display and buttons are disabled Recover Charge Soon Alert indicator All functions including 4 4 ava timekeeping are EE cearreny L disabled e The Level 3 charge warning indicator 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 4 all functions are disabled and settings return to their initial 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 from Level 4 You will not be able to configure any of the other settings until the battery reaches Level 2 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 actually higher than the battery level The correct battery power indicator should appear after a few minutes e If yo
25. record when there are already 30 records stored in memory automatically deletes record 1 shifts the remaining ecords upwards by 1 and stores the new record as 5 Recorded time Hour Minutes Seconds To recall Time Recorder times In the Time Recorder Mode use and to scroll through times stored in memory e If you recorded a new Time Recorder time since you last entered the Time Recorder Mode the newest record appears first If you have not recorded a new time the record you were viewing when you last exited the Time Recorder Mode appears first To delete all Time Recorder times In the Time Recorder Mode hold down to delete all Time Recorder times Alarms The Alarm Mode gives you a choice of four one time alarms and one snooze alarm Also use the Alarm Mode to turn the Hourly Time Signal i on and off There are five alarms numbered AL through L i and You can configure as a snooze alarm only Alarms FAL 1 through L can be used as one time alarms only e Alarm settings and Hourly Time Signal settings are available in the Alarm Mode which you enter by pressing Alarm number Home city time Alarm time Hour Minutes To set an alarm time 1 In the Alarm Mode use O to scroll through the alarm screens until the one whose time you want to set is displayed 2 After you select an alarm hold down until the hour setting of the alarm time star
26. rrent time and date e The watch is equipped with a Time Recorder feature that lets you record the current Home City time month day hour minutes seconds and DST on off setting with the touch of a button See To record a Time Recorder time for more information e Pressing displays the Last Signal screen date and time that the time calibration signal was last received in the Timekeeping Mode Day of week Receive time Receive date Last Signal Screen Month Day Hour Minutes Seconds Current Time Setting This watch automatically adjusts its time setting in accordance with a time calibration signal You can also perform a manual procedure to set the time and date when necessary e Before using the watch in Western Europe first use the procedure under Setting Up the Watch for Use in Western Europe to set the time in accordance with a time calibration signal e Note that after you set your Home City the city where you normally use the watch code you must also turn on the watch s time calibration signal receiver if you want to enable auto time calibration See About Auto Receive for more information e See Setting the Time and Date Manually for information about manual settings Setting Up the Watch for Use in Western Europe You need to make the following three settings before using this watch in Western Europe The following provides a general overview of the setting procedure For full de
27. t operation 1 5 seconds per day e 10 seconds of alarm operation per day 4 times calibration reception per day Charge Times Exposing the watch to light for the periods shown below each day restores the power used by the above operating conditions Exposure Level Brightness Approximate Exposure Time Outdoor Sunlight 50 000 lux 5 minutes Sunlight Through a Window 10 000 lux 24 minutes Daylight Through a Window on a Cloudy Day 5 000 lux 48 minutes Indoor Fluorescent Lighting 500 lux 8 hours 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 gt gt Outdoor Sunlight 1 hour 14 hours 3 hours 50 000 lux Sunlight Through a 3 hours 70 hours 14 hours Window 10 000 lux Daylight Through a 5 hours 143 hours 28 hours Window on a Cloudy Day 5 000 lux Indoor Fluorescent 57 hours Lighting 500 lux e The above exposure time values are all for reference only Actual required exposure times depend on lighting conditions 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 Auto Return Features e If you
28. tails see Setting the Time and Date Manually and Time Calibration Signal Reception e Specify the city code for your Home City the city where you will normally use the watch e Select the auto Daylight Saving Time summer time setting e Perform the manual time calibration signal receive operation to set the current time To set up the watch for use in Western Europe 1 In the Timekeeping Mode hold down until the city code starts to flash which indicates the setting screen 2 Use and to select the city code you want to use as your Home City The following are the city codes for major cities in the Western Europe time zones BER and PAR Berlin Paris Milan Rome Amsterdam Hamburg Frankfurt Vienna LON London 3 Press and the Daylight Saving Time summer time setting screen appears 4 Use to select AUTO auto DST e Auto DST specifies auto switching between Daylight Saving Time DST and Standard Time 5 Press twice to exit the setting screen 6 Hold down for about two seconds until the watch beeps e Release and the message RC appears to indicate that signal reception has started e Time calibration signal reception takes from two to six minutes Take care that you do not move the watch during this time Receiving indicator About This Manual e The operational procedures for Modules 2607 2637 and 2687 are identical All of the illustrations in this manual s
29. ts to flash which indicates the setting screen e This operation automatically turns on the alarm 3 Use 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 e When setting the alarm time using the 12 hour format take care to set the time correctly as a m A indicator or p m P indicator 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 or until you turn the alarm off e Pressing any button stops the alarm tone operation 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 Displaying the snooze alarm setting screen To test the alarm In the Alarm Mode hold down to sound the alarm To turn an alarm on and off 1 In the Alarm Mode use to select an alarm 2 Press to toggle it on and off e Turning on a one time alarm FAL 1 Fae FiL 4 displays the alarm on indicator on its Alarm Mode screen Turning on the snooze alarm displays the alarm on indicator and snooze alarm indicator on its Alarm Mode screen Module 2607 e In all modes the alarm on indicator is shown for any Snooze on indicator
30. u use the backlight or the alarms a number of times during a short period the recover indicator R RECOVER appears on the display and the following operations become disabled until battery power recovers Backlight Beeper tone Calibration reception After some time battery power will recover and the recover indicator R RECOVER4 will disappear indicating that the above functions are enabled again 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 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 while the watch is used under the conditions described below Operating Conditions e Watch is not exposed to light e Display on 18 hours per day sleep state 6 hours per day e 1 backligh
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