Casio 5105 User's Manual
Contents
1. to toggle auto repeat on on and off OFF 4 Press to exit the setting mode e The auto repeat on indicator t 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 Alarms When an alarm is turned on the alarm tone will sound when its 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 aour e There are Wve aa screens numbered F os and E s for the one time alarm nd a snooze alarm screen h indicated by ane Hourly Time Signal screen is indicated by F e All of the operations in this section are performed in the Alarm Mode which you enter by pressing Alarm number Alarm time Hour Minutes CASIO Operation Guide 5105 To set an alarm time In the Alarm Mode use to scroll through the alarm screens until the one whose time you want to set is displayed i eel a one time alarm display alarm screen F F iL To set the snooze alam dis jay the adit screen e Ets is the hourly time signal setting e 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 This is the setting mode2. 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 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 mode 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 O eastward and westward to scroll through the available city codes e See the City Code Table for information about city codes 4 Press to exit the setting mode Left dial hand World Time World Time digitally displays the current time in one of C tly selected i World Time City 48 cities 29 time zones around the world A simple operation swaps your Home City with the currently Right dialhand selected World Time City World Time hour 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
3. between alarms ON To turn the Hourly Time Signal on and off 1 In the aam Mode use O to select the Hourly Time Signal fi 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 An LED light emitting diode illuminates the face of the 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 Auto light switch on indicator To illuminate the display manually In any mode except a setting mode press 8 to turn on the illumination for about one second e The above operation turns on illumination regardless of the current auto light switch setting About the Auto Light Switch Turning on the auto light switch causes 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 sett
4. 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 4 When the timekeeping setting you want to change is flashing use or to change it as described below Screen To do this Do this m Change the city code Use east and PoP Sa west Toggle between Daylight Saving Time Press 2H and Standard Time GFF J jej Toggle between 12 hour i H and Press l bn 24 hour 4H timekeeping Press Use O and r Reset the seconds to 00 L I nng Change the hour and minutes 4 am c am Change the year month or da 2009 6 30 7109y 7 loggle between Power Saving on m UT 9f and off 8 FF 5 Press twice to exit the setting mode 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 The day of the week is displayed a
5. 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 mode 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 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 Displaying the t 42 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 anne on a alarm FAL t F FHL FaL b or indicator i displays the iar on ndear on its SAlam Mode screen e In all modes the alarm on indicator is shown for any SET or alarm that currently is 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
6. Saving Power Supply Solar cell and one rechargeable battery Approximate battery operating time 8 months from full charge to Level 5 CHG 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 Frequent use of illumination runs down the battery Particular care is required when using the auto light switch CASIO Operation Guide 5105 City Code Table City City UTC Offset City City UTC Offset Code GMT Differential Code GMT Differential PPG Pago Pago 11 ATH Athens HNL Honolulu 10 CAI Cairo 2 ANC Anchorage 9 JRS Jerusalem YVR Vancouver MOW Moscow LAX Los Angeles i JED Jeddah ss YEA Edmonton THR Tehran 3 5 DEN Denver DXB Dubai 4 MEX Mexico City KBL Kabul 4 5 CHI Chicago 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 A SIN Singapore YYT St Johns 3 5 HKG Hong Kong RIO Rio De Janeiro E BJS Beijing 8 RAI Praia 1 TPE Taipei 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 Ber
7. Window on a Cloudy Day 5 000 lux Indoor Fluorescent 141 hours Veet tee Lighting 500 lux e The above exposure time values are all for reference only Actual required exposure times depend on lighting conditions Hand Home Position Correction The hands of the watch can be thrown off by exposure to strong magnetism or impact If that happens check if the home positions of the hands are correct and adjust the home positions as required To adjust the home positions 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 positions when the left dial hand moves to C CHG and the right dial hand moves to 12 If they don t use to adjust the left dial hand position and to adjust the right dial hand position 2 After confirming that both dial hands are in their correct home positions press Correct dial hand e This will change to hour hand and minute hand home positions position manual correction e The hour and minute hands are in their correct home positions if they are at 12 o clock If they are not use D 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 Correct hour and minute hand positions Reference This section contains more deta
8. 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 Specifications Accuracy at normal temperature 15 seconds a month 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 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 one time alarms one snooze alarm Hourly Time Signal IIlumination LED light emitting diode Auto Light Switch Full Auto LED Light operates only in the dark Other Power
9. if you exit the Stopwatch Mode e Exiting the Stopwatch Mode while a split time is frozen on the display clears the split time and returns to elapsed time measurement Minutes 1 100 second All of the operations in this section are performed in the Stopwatch Mode which you enter by pressing Hours Tint rr UU UU Seconds To measure times with the stopwatch Elapsed Time Start Stop Re start Stop Clear Split Time oO gt OA Start Split Split release Stop Clear SPL displayed Two Finishes 0 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 start time within a range of one 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 will sound for 10 seconds or until you stop it by pressing any button The count
10. 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 2 All functions enabled M g SAHIG Illumination and beeper 3 gt SLoN disabled L ZNS Battery Power Charge Soon Alert indicator 4 Except for timekeeping all functions and display indicators disabled All functions disabled ol amp CHG e The flashing i i indicator at Level 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 CHG all functions are disabled and settings return to their initial factory defaults Once the battery reaches Level 2 M after falling to Level 5 CHG reconfigure the current time date and other settings e Display indicators reappear as soon as the battery is charged from Level 5 CHG 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 CHG If this happens change the Home City to the setting you want e Leaving the w
11. MO0905 EA Operation Guide 5105 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 f The electricity generated by the solar cell of the watch is Bright Light stored by a built in battery Leaving or using the watch T r rrr where it is not exposed to light causes the battery to run D gt down Make sure the watch is exposed to light as much as Solar cell 4 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 even 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 l Converts light to Electrical electrical power a energy LEVEL 1 JAIL functions enabled Dis Some or all E functions charge disabled Rechargeable battery General Guide e Pre
12. atch 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 e Overuse of display illumination or the beeper can cause the RECOV 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 and all hand operations are disabled in the power 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 RECOV indicator disappears elf RECOV 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 wh
13. down time is reset to its starting value automatically 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 stops 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 setting of the countdown start time starts to flash This is the setting mode 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 Start Time Auto Repeat Minutes On Off 3 Perform the following operations depending on which setting currently is 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 on or OFF i w a the display press
14. en 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 CASIO Operation Guide 5105 Charging Guide After a full charge timekeeping remains enabled for up to about eight months e The following table shows the amount of time the watch needs to be exposed to light each day in order to generate enough power for normal daily operations Exposure Level Brightness Approximate Exposure Time Outdoor Sunlight 50 000 lux 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 Level 5 Level 4 Level 3 Level 2 Level 1 Outdoor Sunlight 3 hours 26 hours 7 hours 50 000 lux Sunlight Through a 8 hours 98 hours 26 hours Window 10 000 lux Daylight Through a 12 hours 158 hours 43 hours
15. ess nine times until PS appears in the upper display and a flashing on or OFF appears in the lower display This is the Power Saving on off screen 3 Press O to toggle Power Saving on on and off OFF 4 Press twice to exit the setting mode On Off status 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 will exit the setting mode automatically e The watch will return to the Timekeeping Mode automatically if you do not perform any operation for two or three minutes in the Alarm Mode High Speed Movement 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 will appear first Timekeeping e Resetting the seconds to 00 while the current count is in the range of 30 to 59 causes the minutes to be increased by 1 In the range of 00 to 29 the seconds are reset to 00 without changing the minutes e The 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 CHG e The current t
16. he DST indicator is shown in the bottom World Time display 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 To swap your Home City and World Time City 1 In the World Time Mode use O to select the World Time City you want 2 Hold down and until the watch beeps e This will make the World Time City you selected in step 1 your Home City and cause the hour and minute hands to move to the current time in that city At the same time it will change the Home City you had selected prior to step 2 your World Time City and cause the content upper and lower displays to change accordingly 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 times and two finishes 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 measurement operation continues even
17. he 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 mode 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 change the flashing screen content in the sequence shown below to select the other setting 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 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
18. iled 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 Saving function Elapsed Time Hands and Display Operation in Dark 60 to 70 minutes _ Left dial hand PS Right dial All functions enabled except hand 12 Other hands for displays Normal Display Blank 6 or 7 days Left dial hand PS Other hands Beeper tone illumination and Stopped at 12 o clock display disabled Display Blank 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 mode 2 Pr
19. ime 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 battery power is at Level 4 CHG 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 e Illumination may not turn on if the face of the watch is 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 A e Static electricity or magnetic force can interfere with gt 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 More than 15 degrees too high
20. ing while an alarm is sounding 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 operation of the auto light switch can create a distraction which can result in a traffic accident and serious personal injury To turn the auto light switch on and off In the Timekeeping Mode hold down 8 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 so
21. lar cell The illustration shown below shows how you should position the watch for charging Example Orient the watch so its face is pointing at a light source e The illustration shows how to position a watch with a resin band e Note that charging efficiency drops when any part of the solar cell is blocked by clothing etc e You should try to keep the watch outside of your sleeve as much as possible Charging is reduced significantly if the face is even only partially covered Important e Storing the watch for long periods in an area where there is no light or wearing it in such a way that it is blocked from exposure to light can cause rechargeable battery power to run down Be sure that the watch is exposed to bright light whenever possible e This watch uses a special rechargeable 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 CHG and when
22. lin WLG Wellington 12 STO Stockholm e Based on data as of June 2008 e The rules governing global times UTC offset and GMT differential and summer time are determined by each individual country CASIO
23. ss to change from mode to mode e In any mode except a setting mode press 8 to illuminate the display for about one second Timekeeping Mode Press Timekeeping You can adjust the Home Time city data and time in the Timekeeping Mode 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 Mode will cycle the lower display between the screens shown below Dual Time Home City Date Home City Time Right dial hand World Time Dual Time City code Day of week lt PM indicator va Month Day t Seconds Hour Miniies I oy i Minutes 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 City code 1 In t
24. that the current time as shown in the Timekeeping Mode is correct e Times in the World Time Mode are based on UTC offsets See the City Code Table for information about the UTC offsets that are supported e All of the operations in this section are performed in the World Time Mode which you enter by pressing Current time in World Time City Right Dial Hand The right dial hand shows the current hour in the World Time City in all modes e The right dial hand moves just like the normal hour hand completing one revolution every 12 hours e Between the noon and midnight in the World Time Mode a PM indicator PMY appears above the right dial hand To view the current time in another time zone In the World Time Mode use to scroll through available city codes time zones 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 Press One second Enl 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 down A for about three seconds to toggle between Daylight Saving Time DST indicator displayed and Standard Time DST indicator not displayed e T
25. utomatically in accordance with the date year month and day settings Press O 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 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 applied 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 CASIO Operation Guide 5105 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 mode 2 Press This will display the DST setting screen 3 Press to toggle between Daylight Saving Time ON displayed and Standard Time OFF displayed 4 When the setting you want is selected press A twice to exit the setting mode e The DST indicator appears to indicate that Daylight Saving Time is turned on DST indicator Dual Time Dual Time lets you display the current time in another time zone called your Dual
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