Casio Watch 2739 User's Manual
Contents
1. Mode Screen Alarm Data you were last viewing Day Counter Target Date Text screen with data you were last viewing Telememo Memory Number Name screen with data you were last viewing Time Calibration Signal Reception Precautions e This watch is able to receive the time calibration signal transmitted from Mainflingen Germany located 25 kilometers southeast of Frankfurt Signal reception is possible within the area represented by a circle with a radius of about 1 000 kilometers At distances further than about 500 kilometers the signal may become weak and reception may be impossible under certain conditions Even when the watch is within the reception range signal reception is impossible if the signal is blocked by mountains or other geological formations between the watch and signal source Signal reception may be poor in the shaded area on the map even though it is within 1 000 kilometers of the signal transmitter 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 CASIO USER S GUIDE 2367 2739 e This watch is designed to receive the2. Problem Probable Cause What you should do Cannot perform e The watch is not in the Timekeeping e Enter the Timekeeping Mode manual receive Mode and try again Auto receive is e You changed the time setting turned on but manually the receiving The watch was not in the indicator Level Timekeeping Mode or you were e Perform manual signal receive or wait until the next auto signal receive operation is performed e Check to make sure the watch 4 does not performing some button operation is in a location where it can appear on the during the last auto signal receive receive the signal display operation was performed e Put the watch in a location that Even if receive is successful the is suitable for good reception receiving indicator Level 4 disappears every day at 3am Backlight Precautions The backlight uses an EL electro luminescent panel that causes the entire display to glow for easy reading in the dark In any mode press 8 to illuminate the display for about one second e 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
3. To recall Telememo records In the Telememo Mode press O to scroll through Telememo records on the display e Only the memory number and name of each Telememo record appear on the display as you scroll through Telememo records e Pressing while the memory number name screen is on the display changes to the telephone number screen for that record e The display can show only five digits of the telephone number at a time so longer numbers scroll continuously from right to left To edit a Telememo record 1 In the Telememo Mode scroll through the records and display the one you want to edit Hold down until the flashing cursor appears on the display Use to move the flashing to the character you want to change Use and to change the character After making the changes that you want press to store them and return to the Telememo record screen oR WP To delete a Telememo record 1 In the Telememo Mode scroll through the records and display the one you want to delete 2 Hold down until the flashing cursor appears on the display 3 Press and at the same time to delete the record e The message CLEAR appears for a few moments and then the cursor appears on the display ready for input 4 Input data or press to return to the Telememo record screen Alarms You can set three independent Daily Alarms When an alarm is turned on the alarm tone sounds when the alarm time is r
4. e Frequent use of the backlight runs down the battery CASIO Time setting is If the time is one hour off DST setting e Change the DST setting to Auto incorrect may be incorrect DST following signal e The Home City Code setting is not e Select the correct Home City reception correct for the area where you are Code using the watch Timekeeping e Note that you cannot switch between standard time and Daylight Saving Time while GMT is selected as the city code e The day of the week is automatically displayed in accordance with the date year month and day settings e The year can be set in the range of 2000 to 2039 e The watch s built in full automatic calendar automatically makes allowances for different month lengths and leap years Once you set the date there should be no reason to change it except after you have the watch s battery replaced e The current time for all city codes in the Timekeeping 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 Universal Time Coordinated UTC data 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 indi
5. 07 JAKARTA PHNOM PENH HANOI VIENTIANE SINGAPORE KUALA LUMPUR BEIJING TAIPEI HKG HONG KONG 08 MANILA PERTH ULAANBAATAR TYO TOKYO 09 SEOUL PYONGYANG ADL ADELAIDE 195 DARWIN SYD SYDNEY 10 MELBOURNE GUAM RABAUL NOU NOUMEA 11 PORT VILA WLG WELLINGTON 121 CHRISTCHURCH NADI NAURU ISLAND e Based on data as of June 2002 Character List space io 1 R 2 ofa p2 Adu Jy aol s a B PD PE is F G i Ee
6. move the watch to a location that is more brightly lit or press any button e It takes up to about five seconds for the watch to recover from the sleep mode e Even when the watch is in the sleep mode digital analog time coordination and auto signal receive are both performed e See To set the current digital time and date manually for information about configuring sleep mode settings City Code Table SoA City ee Other major cities in same time zone e L11 PAGO PAGO ANL HONOLULU 10 PAPEETE ANC ANCHORAGE 9 NOME SAN FRANCISCO LAS VEGAS VANCOUVER LAX LOSANGELES 8 SEATTLE DAWSON CITY DEN DENVER Sy EL PASO EDMONTON HOUSTON DALLAS FORT WORTH NEW CHI CHICAGO 6 ORLEANS MEXICO CITY WINNIPEG MONTREAL DETROIT MIAMI BOSTON PANAMA NYC NEWYORK 5 CITY HAVANA LIMA BOGOTA CCS CARACAS 4 LA PAZ SANTIAGO PORT OF SPAIN SAO PAULO BUENOS AIRES BRASILIA RIO RIODEJANEIRO 3 OR TIDE PRAIA GMT 00 DUBLIN LISBON CASABLANCA DAKAR LON LONDON ABIDJAN BER BERLIN PF MILAN ROME MADRID AMSTERDAM ALGIERS PAR PARIS HAMBURG FRANKFURT VIENNA STOCKHOLM CAI CAIRO o2 ATHENS HELSINKI ISTANBUL BEIRUT JRS JERUSALEM DAMASCUS CAPE TOWN KUWAIT RIYADH ADEN ADDIS ABABA NAIROBI JED JEDDAH s03 MOs COW THA TEHRAN 135 SHIRAZ DXB DUBAI 04 ABU DHABI MUSCAT KBL KABUL 45 KHI KARACHI 05 MALE DEL DELHI 5 5 MUMBAI KOLKATA DAG DHAKA 06 COLOMBO RGN YANGON 6 5 BKK BANGKOK
7. Alarm Mode hold down O to sound the alarm To turn an alarm and the Hourly Time Signal on and off 1 Inthe Alarm Mode press to select an alarm or the Hourly Time Signal 2 When the alarm or the Hourly Time Signal you want to is selected press to turn it on and off e The alarm on indicator m and the Hourly Time Signal on indicator are shown on the display in all modes while these functions are turned on e If any alarm is on the alarm on indicator is shown on the display in all modes Stopwatch Minutes mm y The stopwatch lets you measure elapsed time split times and two finishes e 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 bo o RES e The stopwatch measurement operation continues HIMO even if you exit the Stopwatch Mode e All of the operations in this section are performed in Stopwatch Mode which you enter by pressing Seconds 1 100 second To measure times with the stopwatch Elapsed Time O qo Ow x r 0m om Start Stop Re start Stop Clear Split Time Start Split Split release Stop Clear Two Finishes D Mw O o Start Split Stop Split release Clear First runner Second runner Display time of finishes finishes second runner Display time of first runner Battery This watch is equipped with a solar cell and a rechargeable bat
8. City code for details e Time calibration reception is limited to specific geographic areas in West Europe e The current time setting in accordance with the time calibration signal takes priority over any time settings you make e The watch is designed to automatically update the date and day of the week for the period January 1 2000 to December 31 2039 Setting of the date by the time calibration signal cannot be performed starting from January 1 2040 e This watch can receive signals that differentiate between leap years and non leap years USER S GUIDE 2367 2739 e 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 Auto Summer Time DST Switching The time calibration signal transmitted from Mainflingen Germany includes both standard time and summer time Daylight Saving Time or DST data Because of this the watch automatically switches between standard time and summer time DST automatically whenever BER LON PAR CAI or JRS is selected as the Home City code 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 Auto Summer Time DST Default Settings The following shows the default settings for each of the Home City codes that support auto summ
9. analog time of this watch is synchronized with the digital time The analog time setting is adjusted automatically whenever you change the digital time Note e Whenever you manually change the digital time setting or Home City code or if the time is adjusted by receipt of a time calibration signal the hands of the analog timepiece move clockwise or counter clockwise to adjust to the new setting If the analog time does not match the digital time for any reason use the procedure described under To adjust the analog time to match the analog setting to the digital setting e Whenever you need to adjust both the digital and the analog time settings manually make sure you adjust the digital setting first e Depending on how much the hands have to move in order to adjust to the digital time it may take some time before the analog hands stop moving e The analog time does not change while a signal receipt operation is in progress After the receive operation is complete the analog time is automatically adjusted to match the digital time e If a signal receive operation is performed while the analog time and digital time do not match the digital time will be adjusted correctly but the analog time may not be adjusted If this happens perform the steps below to adjust the analog time To adjust the analog time 1 In the Timekeeping Mode press five times to enter Current time the Hand Setting Mode 2 Hold down until the current digit
10. 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 sunlight to charge its rechargeable battery can cause it to become quite hot Take care when handling the watch to avoid burn injury e On the dashboard of a car parked in direct sunlight e Too close to an incandescent lamp e Under direct sunlight or in any other area exposed to intense heat for long periods 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 1 backlight operation 1 5 seconds per day e 10 seconds of alarm operation per day e 2 signal receive operations 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 48 minutes Day 5 000 lux Indoor Fluorescent Lighting 500 lux 8 hours 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 Brighings
11. it means there was some problem with the last 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 Even if the calibration reception is successful the Level 4 receiving indicator disappears every day at 3am e When auto receive is turned on the watch receives the calibration signal for four to 11 minutes each day when the digital time reaches 2 00 AM and 4 00 AM Do not operate any of the watch s buttons within 15 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 shown on the digital display The receive operation will be performed whenever the digital display shows 2 00 AM and 4 00 AM regardless of whether or not the displayed time is actually the correct time e When two 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 current Auto Receive On Off setting the receiving indicator starts to flash which indicates the setting screen 2 Press O to toggle Auto Receive on ON and off OFF 3 Press to exit the setting screen Analog Timekeeping The
12. setting you want to change is flashing use and or to change it as described below CASIO Setting Screen Button Operations Auto Receive Press to toggle auto receive on and off DST Press O to toggle between Daylight Saving Time ON and standard time OFF e Pressing performs a different operation when BER LON PAR CAI or JRS is selected as Home City Code See Auto Summer Time DST Switching City Code CED Use O and to change the setting 12 24 Hour format Press O to toggle between 12 hour 12H and 24 hour 24H timekeeping Use and to change the setting Hour Minutes Seconds Press O to reset the seconds to 00 Month Day Use O and to change the Year setting Sleep Mode Press to toggle the sleep mode on On and off OF 4 Press to exit the setting screen e The Auto Receive setting is used for time calibration signal reception only See About Auto Receive for details e See City Code Table for a complete list of available codes e See Sleep Mode for details about the sleep mode 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 Selecting Your Home City Code You can select a city code for your Home City the ci
13. signal transmitted from Mainflingen This means that reception is best when the antenna built into the 12 o clock edge of the watch is facing towards Mainflingen Note however that moving the watch while the time calibration signal receive operation is taking place will make stable reception impossible e Think of the watch as acting like a TV or radio when it is receiving the calibration signal When receiving indoors move to a location as near as possible to a window Proper signal reception can be difficult or even impossible under the conditions listed below Near TVs refrigerators computers or other household appliances Far away from broadcasting stations among ferro concrete structures or near mountains Underground in tunnels or in ferro concrete buildings Near high tension wires neon signs or radio stations with interfering frequencies Near railroads highways or airports In trains or cars e Radio interference can make signal reception impossible e Signal reception is normally better at night than during the day e Strong electrostatic charge can result in the wrong time being set e The daily alarm and hourly time signal do not operate during signal reception e If you are in an area where proper time calibration signal reception is impossible the watch keeps time within 15 seconds a month at normal temperature Signal Receive Troubleshooting Check the following points whenever you experience problems with your watch
14. to exit the setting screen Note e Use the above procedure to edit Day Counter records too e The display can show only three characters at a time so longer text scrolls continuously from right to left Telememo Telememo lets you store up to 20 records each containing name and telephone number data Records are automatically sorted based on the characters of the name You can recall records by scrolling through them on the display Memory Number Name Telephone Number Remaining memory Memory number re Ge Press A Shag Name Telephone number e Your watch comes preset with three Telememo records with the names FAMILY HOME and OFFICE without any phone numbers You can change or delete these records if you want e See Character List for details on how the watch sorts records e All of the operations in this section are performed in the Telememo Mode which you enter by pressing To create a new Telememo record 1 In the Telememo Mode press O until a record showing indicating the new record input screen appears e f the message FULL appears on the display it means that memory is full To store another record you will first have to delete some of the records stored in memory hae the setting screen 3 Input a name e When inputting the name use and to cycle through characters at the current cursor location and to move the cursor
15. to the right See Inputting Text e You can input up to eight characters for the name 4 After you input the name press as many times as necessary to display the number input screen e You can input up to eight characters for the name When the cursor is located at the eighth space of the name moving the cursor to the right causes it to jump to the first digit of the number When the cursor is at the 12th digit of the number moving it to the right by pressing causes it to jump to the first character in the name cet Fo 5 Input a telephone number e Use and to change the character hyphen number or space at the cursor position The character changes in the following sequence Press O Press 6 When the character you want is at the cursor position press to move the cursor to the right 7 Repeat steps 5 and 6 until you complete number input e You can input up to 12 digits for the number e The number initially contains all hyphens You can leave the hyphens or replace them with numbers or spaces 8 Press to store your data and return to the Telememo record screen without the cursor e When you press the message SORT appears on the display for a few seconds After the sort operation is complete the watch returns to the Telememo record screen without the cursor e The display can show only three characters at a time so longer text scrolls continuously from right to left
16. USER S GUIDE 2367 2739 About This Manual e The operational procedures for Modules 2367 and 2739 are identical All of the illustrations in this manual show Module 2367 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 Module 2739 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 current time and date You can also display the Last Signal screen in the Timekeeping Mode Last Signal Date Time Receiving indicator Receive date Hour Minutes Month Day x Seconds Receive time Day of week PM indicator e The Last Signal screen alternates between the time and date that the time calibration signal was successfully received Current Time Setting Normally you do not need to do anything to set the current time as long as you are within an area in West Europe where the watch can pick up the time calibration signal You can also set the current time manually when you are outside the range of the signal e Before using the watch after purchasing it use the procedure under Selecting Your Home City Code to specify your Home City and then use the
17. al time starts to flash which indicates the setting screen e Note that you will not be able to change to the setting screen if the analog hands are moving because the watch is automatically adjusting the analog time to match the digital time If this happens wait until the hands stop moving 3 Use and to adjust the analog setting as described below Ramee mae S AES o ENE 4 H xET Lot When you want to do this Perform this button operation Move the hand setting e Press O forward 20 seconds Move the hand setting back e Press 20 seconds Move the hand setting a short Hold down way forward at high speed e Release when the hands reach the setting you want Move the hand setting a e Hold down short way back at high speed Release B when the hands reach the setting you want Move the hand setting a e While holding down to move the hands at long way forward at high high speed press B to lock the high speed speed hand movement e Press any button when the hands are close to the setting you want e Hand movement stops automatically if the hour hand makes one full 12 hour revolution Move the hand setting along e While holding down 8 to move the hands at way back at high speed high speed press O to lock the high speed hand movement e Press any button when the hands are close to the setting you want e Hand movement stops automatically if the hour hand mak
18. cator appears to the left of the hour digits for times in the range of noon to 11 59 p m and the 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 with 24 indicator Inputting Text The following describes how to input text in the Day Counter and Telememo Modes To input characters 1 When the cursor is on the display use and to Day Counter record cycle through the available letters numbers and setting screen symbols in the sequence shown below Press O gt Press AES Ra T a w Cursor 2 When the character you want is at the cursor position press to move the cursor to the right 3 Repeat steps 1 and 2 to input the rest of the characters you want Sleep Mode While the sleep mode is turned on the watch automatically goes to sleep to save power whenever it is left in a place where lighting is dim less than about 30 lux The following shows how watch functions are affected when left in a dark place while in the sleep mode Approximate Period in Functions Sleep Mode 3 to 4 days e LCD off e Alarm hourly time signal analog timekeeping and auto signal receive enabled e LCD off alarm and hourly time signal disabled e Analog timekeeping stopped at 12 o clock e Auto signal receive disabled 8 days or more To exit the sleep mode
19. eached You can also turn on an Hourly Time Signal that causes the watch to beep twice every hour on the hour e The alarm and Hourly Time Signal operate in accordance with the current digital time e The alarm number AL1 though AL3 indicates an alarm screen SIG appears in place of the alarm number when the Hourly Time Signal screen is shown Alarm number All of the operations in this section are performed in the Alarm Mode which you enter by pressing Alarm on indicator Alarm time Hourly time signal on indicator To set an alarm time 1 In the Alarm Mode press to select the alarm whose time you want to set AL1 AL2 2 Hold down until the hour setting of the alarm time starts to flash which indicates the setting screen e This automatically turns on the alarm 3 Press to move the flashing between the hour and minute settings 4 While a setting is flashing use and to change it e When setting the alarm time using the 12 hour format take care to set the time correctly as a m no indicator or p m P indicator e If you have 24 hour timekeeping selected in the Timekeeping Mode the alarm time is also displayed in 24 hour format 5 Press to exit the setting screen CASIO USER S GUIDE 2367 2739 Alarm Operation The alarm sounds at the preset time for about 10 seconds in all modes or until you stop it by pressing any button To test the alarm In the
20. er time DST switching Home City Code Auto Summer Time Default Setting BER LON PAR AUTO CAI JRS OFF The following flows show how to switch the auto summer time setting between AUTO ON and OFF e The following are the meanings of the AUTO ON and OFF indicators AUTO Watch will switch between standard time and summer time DST automatically ON Summer time DST OFF Standard time summer time turned off e See To set the current digital time and date manually for information about configuring summer time DST settings When BER is the Home City Code Press O After receipt of the time calibration signal turns summer time off After receipt of the time calibration signal turns summer time on cor Wa E OD DFF OFF When LON PAR CAI or JRS is the Home City Code Press OFF Default for Press or ON CAI and JRS AUTO Default for LON and PAR To perform manual time calibration signal reception 1 Place the watch on a stable surface to its top 12 o clock side is facing in the general direction of Frankfurt Germany e Position the watch so the case is pointing upwards as shown in the nearby illustration This puts the watch in the optimum position for time calibration signal reception e Note that signal reception is poor if the watch is on its back or side 2 In the Timekeeping Mode hold down for about two seconds until the watch beeps and t
21. es one full 12 hour revolution 4 Press to exit the setting screen e The minute hand will be adjusted slightly to match the seconds when you exit the setting screen e To return to the Timekeeping Mode press CASIO USER S GUIDE 2367 2739 Day Counter The Day Counter lets you count the number of days from the Timekeeping Mode s current date to a specific target date e There are five Day Counter records each of which can be set with its own text and target date year month day e All of the operations in this section are performed in the Day Counter Mode which you enter by pressing To recall Day Counter records Enter the Day Counter Mode and the Target Date Text screen appears Target Date Text Day Counter Target Month Day Target year ere Minus sign Press Ga As CEDI Text Day counter e The Target Date Text screen alternates between the target month and day and the target year e Your watch comes preset with the Day Counter text settings shown below You can use these as they are or change them to something else if you want Day Counter Number Text Meaning DC1 ANIV Anniversary DC2 EVENT Event DC3 BIRTHDAY Birthday DC4 DC4 No setting DC5 DC5 No setting e If there is no text assigned to a target date the applicable day counter number appears in place of the text e A minus sign in the upper left corner of t
22. he current time is flashing on the display e This indicates that signal reception has started e Time calibration signal reception takes from four to 11 Abby Ci minutes Take care that you do not move the watch JO during this time Receiving indicator Current time e After signal reception is complete the display of the watch changes to the Last Signal screen which shows the new signal receive date and time e The Level 4 receiving indicator amp indicates that the calibration time reception attempt was successful Note e To interrupt a receive operation and return to the Timekeeping Mode Date or Time screen press O e f the receive operation is unsuccessful the message ERR appears on the Last Signal screen for about one or two minutes After that the watch returns to the Timekeeping Mode Date or Time screen e You can also change from the Last Signal screen to the Timekeeping Mode Date or Time 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 OO OOOO Weak A gt Strong Weak lt gt Strong Level 1 Module 2367 Level4 Level 1 Module 2739 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
23. he display indicates that the target date comes before the current date No sign indicates the target date is after the current date e Press to cycle through the Day Counter records as shown below To set a Day Counter record 1 In the Day Counter Mode use to scroll through the Day Counter records until the one you want to set is on the display 2 Hold down until the flashing cursor appears on the message CLEAR to appear and clears the text if there is any already input and sets the current display which indicates the setting screen Cursor Timekeeping Mode date as the target date Target Month Day e Pressing and O at the same time causes the 3 Press to move the flashing in the sequence shown below to select other settings e There are eight spaces in the text so you have to press eight times to move to the Year setting e When the Year setting is selected the cursor changes for a four digit target year 4 When the setting you want to change is selected use and to change it e Selecting the text causes the text input cursor to appear e When inputting text use and O to cycle through characters at the current cursor location and to move the cursor to the right See Inputting Text e While the year month or day setting is flashing use and to change the setting e You can set a target date in the range of January 1 1940 to December 31 2039 5 Press
24. indicate signal strength e Use the receiving indicator as a guide for checking signal strength and for finding the best location for the watch during signal receive operations e The receiving indicator Level 4 remains on the display in all modes following reception of the time calibration signal and calibration of the watch s time setting The receiving indicator Level 4 is not displayed if signal reception was unsuccessful or after manual adjustment of the current time setting About Auto Receive When auto receive is turned on the watch automatically starts to receive the time calibration signal when the digital time in the Timekeeping Mode reaches 2 00 AM and 4 00 AM each day calibration times Note e The Auto Receive operation is performed only if the watch is in the Timekeeping Mode when one of the calibration times is reached It is not performed if the calibration time is reached while you are making settings while settings are flashing on the display e Auto receipt of the calibration signal is designed to be performed early in the morning while you sleep provided that the digital time is set correctly Before going to bed for the night remove the watch from your wrist and put it in a location where it can easily receive the signal e The Level 4 receiving indicator amp indicates that one or both of the last calibration time reception attempts were successful If you do not see the Level 4 receiving indicator
25. l backlight PEPA and display are disabled Though the hands of the watch do not Brae move time continues to be kept internally 4 All functions including timekeeping are disabled e At Level 4 all functions are disabled Functions are enabled once again after the rechargeable battery is charged but anything previously stored in memory is lost Because of this you must set the current time and alarms and re input Telememo records after the rechargeable battery is charged 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 f you use the light or alarms a number of times during a short period a RECOVER indicator m appears on the display and the following operations become disabled until battery power recovers Backlight Alarm and hourly time signal Coordination between digital and analog timekeeping Time calibration signal reception After some time battery power will recover and the RECOVER indicator will disappear indicating that the above functions are enabled again Charging Precautions Certain charging 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
26. procedure under To perform manual time calibration signal reception e Note that after you set your Home City 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 Digital Time and Date Manually for information about manual settings e The analog time of this watch is synchronized with the digital time Because of this the analog time setting is automatically adjusted whenever you change the digital setting See Analog Timekeeping for more information Setting the Digital Time and Date Manually Once you select a Home City code and set its time you can view the current time in other cities by simply changing the city code setting Even if you plan to use the watch without enabling auto time calibration be sure to select a Home City code the city code whose time and date you are setting before you set the time and date To set the current digital time and date manually 1 In the Timekeeping Mode hold down until the current Auto Receive On Off setting the receiving indicator starts to flash which indicates the setting screen 2 Press to move the flashing in the sequence shown below to select other settings Auto 12 24 Hour Telememo Mode Alarm Mode weg Day Counter Mode er Press EFL Hand Setting Mode Stopwatch Mode ke3 3 When the
27. s Level 4 Level3 Level2 Level 1 Outdoor Sunlight 50 000 lux 54 minutes 14 hours 3 hours Sunlight Through a Window 10 000 lux 3 hours 71 hours 14 hours Daylight Through a Window on a Cloudy fy _ Ji Day 5 000 lux anou Indoor Fluorescent Lighting 500 lux 41 hours e The above exposure time values are all for reference only Actual required exposure times depend on lighting conditions e Stable operation is promoted by frequent charging 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 leave the watch in any mode except for the Stopwatch Mode for two or three minutes without performing any operation it automatically changes to the Timekeeping Mode e f you leave a screen with flashing digits or a cursor 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 The following shows what appears on the display first in each mode
28. tery secondary battery that is charged by the electrical power produced by the solar cell 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 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 Turn on the watch s sleep mode and keep it in an area normally exposed to 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 All functions enabled All functions enabled 3 I Auto and manual signal receive Battery bower alarm hourly time signa
29. ty where you normally use the watch This data can be changed any time you move to another geographic area e See City Code Table for a complete list of available codes e Once you select a Home City code and set its time you can use World Time to view the current time in any one of 28 cities 29 time zones around the world by simply specifying a city code To select your Home City code 1 In the Timekeeping Mode hold down until the current Auto Receive On Off setting the receiving indicator starts to flash which indicates the setting screen 2 Press to move the flashing to the City Code setting 3 Use and to change it 4 Press ay exit A aati screen City code Time Calibration Signal Reception This watch is designed to pick up a time calibration signal transmitted from Mainflingen Germany 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 twice each day and makes appropriate adjustments With Manual Receive you perform a specific button operation to receive the calibration signal 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 the To select your Home
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