Casio casio 3184 User's Manual
Contents
1. 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 rechargeable battery that is charged by the electrical power produced by the solar cell The illustration shown below shows how you should position the watch for charging Example Orient the watch so its face is Solar cell pointing at a light source e The illustration shows how to position a watch with a resin band e Note that charging efficiency drops when any part2. Pi 58 ied 08 on 3 Press to exit the setting screen e Normally your watch should show the correct time as soon as you select your Home City code If it does not it should adjust automatically after the next auto receive operation in the middle of the night You also can perform manual receive or you can set the time manually e The watch will receive the time calibration signal automatically from the applicable transmitter in the middle of the night and update its settings accordingly For information about the relationship between city codes and transmitters see Important under Time Calibration Signal Reception and Transmitters e See the maps under Approximate Reception Ranges for information about the reception ranges of the watch e You can disable time signal reception if you want See To turn auto receive on and off for more information e Under factory default settings auto receive is turned off for the following city codes MOW Moscow HNL Honolulu and ANC Anchorage For details about turning on auto receive for these city codes see To turn auto receive on and off Time Calibration Signal Reception There are two different methods you can use to receive the time calibration signal auto receive and manual receive e Auto Receive With auto receive the watch receives the time calibration signal automatically up to six times a day five times a day for the Chinese calibration
3. Timekeeping Mode time e To stop the alarm tone after it starts to sound press any button e Performing any one of the operations below during a 5 minute interval between snooze alarms cancels the current snooze alarm operation Displaying the Timekeeping Mode setting screen Displaying the ZH 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 r and off rning on an alarm FAL i AL ALS AL or displays the alarm on indicator on its Alarm Mode screen e In all modes the alarm on indicator is shown for any alarm that currently is turned on e The alarm on indicator flashes while the alarm is sounding On Off status e The snooze alarm indicator SNZ flashes while the snooze alarm is sounding and during the 5 minute intervals between alarms Alarm on indicator To turn the Hourly Time Signal on and off 1 In the Alarm Mode use to select the Hourly Time Signal TH 2 Press to toggle it on mm 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 On Off status Stopwatch 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 res
4. City time setting World Time The seconds count of the World Time is synchronized with the seconds count of the Timekeeping Mode Illumination Precautions e The electro luminescent panel that provides illumination loses power after very long use e Illumination may be difficult 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 Illumination turns off automatically whenever an alarm sounds e Frequent use of illumination runs down the battery Auto light switch precautions e Avoid wearing the watch on the inside of your wrist while the auto light switch is enabled 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 disable the auto light switch feature More than 15 degrees e Illumination may not turn on if the face of the watch is too high more than 15 degrees above or below parallel Make sure that the back of your hand is parallel to the ground e Illumination turns off after a preset amount of time 1 5 or 3 seconds even if you keep the watch pointed towards your face e Static electricity or magnetic force can interfere with proper operation of the auto light switch If illumination does not turn on try moving the watch back to the starting position
5. If you have problems with proper time calibration signal reception or if the time setting is wrong after signal reception check your current city code DST summer time and auto receive settings e The Home City setting reverts to the initial default of T s Tokyo whenever the battery power level drops to Level 5 or when you have the rechargeable battery replaced If this happens change the Home City to the setting you want Transmitters The time calibration signal received by this watch depends on the currently selected Home City code e When a U S time zone is selected the watch receives the time calibration signal transmitted from the United States Fort Collins e When a Japanese time zone is selected the watch receives the time calibration signals transmitted from Japan Fukushima and Fukuoka Saga e When a European time zone is selected the watch receives the time calibration signals transmitted from Germany Mainflingen and England Anthorn e When a China time zone is selected the watch receives the time calibration signal transmitted from China Shangqiu City e When your Home City is LIS LON MAD PAR ROM BER STO ATH or MOW which can receive both the Anthorn and Mainflingen signals the watch first tries to pick up the signal it last successfully received If that fails it tries the other signal For the first receive after you select your Home City the watch tries the nearest signal first Anthorn for LIS
6. LON Mainflingen for MAD PAR ROM BER STO ATH and MOW Operation Guide 3184 Auto Return e If you do not perform any operation for about two or three minutes while a setting screen with a flashing setting is on the display the watch will exit the setting screen automatically e The watch returns to the Timekeeping Mode automatically if you do not perform any button operation for two or three minutes in the Alarm Mode and Tide Moon Data Mode Scrolling and 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 at high speed Initial Screens When you enter the World Time Mode or Alarm Mode the data you were viewing when you last exited the mode appears first Timekeeping 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 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 e The current time for all city codes in the Timekeeping Mode and World Time Mode is calculated in accordance with the Coordinated Universal Time UTC for each city based on your Home
7. 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 setting screen appears Use to cycle through the DST settings in the sequence shown below Auto DST FLITE DST off 2 DST on Zif 4 DST indicator e If you change your Home City to one that is within the same transmitter area the current DST setting Auto DST will be retained If you change to a city that is outside your current transmitter area DST will be turned off automatically Transmitter Covered City Codes Japan TPE SEL TYO China HKG BJS U S HNL ANC YVR LAX YEA DEN MEX CHI NYC YHZ YYT Europe U K Germany LIS LON MAD PAR ROM BER STO ATH MOW None All other city codes 4 When the setting you want is selected press to exit the setting screen e The DST indicator appears to indicate that Daylight Saving Time is turned on 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 Moon Phase Indicator The Moon phase indicator of this watch indicates the current phase of the Moon as shown below It is based on the view of the left side of the moon at meridian transit from the northern hemisphere of the Earth If the
8. in one day increments Pressing will display the year of the displayed date Adjusting the High Tide Time Use the following procedure to adjust the high tide time within a particular date You can find out high tide information for your area from a tide table the Internet or your local newspaper To adjust the high tide time 1 In the Tide Moon Data Mode hold down until the hour digits start to flash 2 Use and to change the hour setting 3 When the hour is the setting you want press e This will cause the minute digits to flash 4 Use and to change the minute setting e Pressing and at the same time while the time adjustment screen is displayed steps 2 through 4 above will return the high tide time to its initial factory default setting 5 When the minute setting is the way you want press to exit the adjustment screen and return to the Tide ra Moon Data Mode screen HIER 30 e The high tide time setting is not affected by the DST Zips summer time setting of the Timekeeping Mode Minute CASIO e On some days there are two high tides With this watch you can adjust the first high tide time only The second high tide time for that day is adjusted automatically based on the first high tide time Reversing the Displayed Moon Phase The left right east west appearance of the Moon depends on whether the Moon is north of you northerly view or south of you so
9. s Moon phase for your Home City You can specify a date and view tide and Moon data for that date e See Moon Phase Indicator for information about the Moon phase indicator and Tide Graph for information about the tide graph e All of the operations in this section are performed in the Tide Moon Data Mode Note e It takes about two seconds to calculate tide graph data You will not be able to display a setting screen while data calculation is in progress e Moon age is calculated to an accuracy of 1 day Tide Data The tide graph that appears first when you enter the Tide Moon Data Mode shows the data at 6 00 a m for your currently selected Home City on the current date according to the Timekeeping Mode From there you can specify another date or time e If the tide data is not correct check your Timekeeping Mode settings and correct them if necessary e The tide graph is displayed in the Timekeeping Mode the Tide Moon Data Mode and the Diving Mode e If the watch is in the Diving Mode when there is a transition from one date to the next the tide graph contents will not change to reflect the data for the new date If you want to update the tide graph exit and then re enter the Diving Mode e If you feel that the information shown by the tide graph is different from actual tide conditions you need to adjust the high tide time See Adjusting the High Tide Time for more information Moon Data The Moon phase
10. to light as much as possible Battery charges in the light Battery discharges in the dark Solar cell Bright Light Converts light to Electrical electrical power umm energy All functions enabled Some or all functions disabled ps Rechargeable battery 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 About This Manual 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 World Time Mode ofA SS ee a 30 C 6 38 WFE Countdown Timer Mode Stopwatch Mode Alarm Mode
11. 1 5 seconds per day e 10 seconds of alarm operation per day e Approximately 4 minutes of signal reception per day e 50 Diving Mode operations per year 60 minute dive time per measurement Frequent use of illumination runs down the battery Particular care is required when using the auto light switch City Code Table CASIO UTC Offset GMT Differential City UTC Offset Code City GMT Differential City PPG Pago Pago 11 Moscow 3 HNL Honolulu 10 Jeddah ANC Anchorage 9 Tehran YVR Vi Dubai 4 fancouver ug LAX Los Angeles Kabul 4 5 YEA Edmonton Karachi 5 DEN Denver Delhi MEX Mexico City Kathmandu CHI Chicago Dhaka NYC New York Yangon SCL Santiago Bangkok YHZ Halifax Singapore YYT St Johns E Hong Kong RIO Rio De Janeiro Beijing FEN Fernando de Noronha Taipei RAI Praia Seoul UTC Tokyo LIS Lisbon Adelaide LON London Guam MAD Madrid Sydney PAR Paris Noumea ROM Rome Wellington BER Berlin STO Stockholm ATH Athens CAI Cairo 2 JRS Jerusalem e Based on data as of June 2009 e The rules governing global times UTC offset and GMT differential and summer time are determined by each individual country
12. 1 59 p m and no indicator appears to the left of the hour digits for times in the range of midnight to 11 59 a m e With the 24 hour format times are displayed in the range of 0 00 to 23 59 without any indicator e The 12 hour 24 hour timekeeping format you select in the Timekeeping Mode is 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 The time calibration signals transmitted from Mainflingen Germany Anthorn England or Fort Collins the United States include both Standard Time and DST data When the Auto DST setting is turned on the watch switches between Standard Time and DST summer time automatically in accordance with the signals e Though the time calibration signals transmitted by the Fukushima and Fukuoka Saga Japan transmitters include summer time data summer time currently is not implemented in Japan as of 2008 e The default DST setting is Auto DST FiliTi whenever you select LIS LON MAD PAR ROM BER STO ATH MOW TYO ANC YVR LAX YEA DEN MEX CHI NYC YHZ or YYT as your Home City code e If you experience problems receiving the time calibration signal in your area it probably is best to switch between Standard Time and Daylight Saving Time summer time manually Operation Guide 3184 To change the Daylight Saving
13. ALL AL and L for the one time alarm and a snooze alarm screen indicated by f The Hourly Time Signal screen is indicated by e All of the operations in this section are performed in the Alarm Mode which you enter by pressing Alarm number Current Alarm time Hour Minutes To set an alarm time 1 In the Alarm Mode use to scroll through the alarm screens until the one whose time you want to set is displayed ALT MALE ALS aah E S1g SHz To set a one time alarm display ala creen FIL 1 FAL FILS or Ale To set the snooze alarm display the F screen e The snooze alarm repeats every five minutes After you select an alarm hold down until the hour setting of the alarm time starts to flash which indicates the setting screen e This operation turns on the alarm automatically Press to move the flashing between the hour and minute settings While a setting is flashing use and to change it e With the 12 hour format set the time correctly as a m or p m P indicator Press to exit the setting screen Operation Guide 3184 Alarm Operation The alarm tone sounds at the preset time for 10 seconds regardless of the mode the watch is in In the case of the snooze alarm the alarm operation is performed a total of seven times every five minutes until you turn the alarm off e Alarm and Hourly Time Signal operations are performed in accordance with the
14. MO1002 EB Operation Guide 3184 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 Warning e The measurement functions built into this watch are not intended for taking measurements that require professional or industrial precision Values produced by this watch should be considered as reasonable representations only e The Moon phase indicator and tide graph data that appear on the display of this watch are not intended for navigation purposes Always use proper instruments and resources to obtain data for navigation purposes e This watch is not a precision instrument for calculating low tide and high tide times The tide graph of this watch is intended to provide a reasonable approximation of tidal movements only e 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 Keep the watch exposed to bright light The electricity generated by the solar cell of the watch is stored by a rechargeable battery Leaving or using the watch where it is not exposed to light causes the battery to run down Make sure the watch is exposed to light as much as 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 You should try to keep the wat
15. ain e Select LIS LON MAD PAR ROM BER STO ATH MOW HKG BJS TPE SEL TYO HNL ANC YVR LAX YEA DEN MEX CHI NYC YHZ or YYT as your Home City Auto receive is turned on but the settings updated indicator does not appear on the display You changed the time setting manually The DST setting was changed manually in the World Time Mode You pressed a button while signal receive was in progress Even if receive is successful the settings updated indicator will disappear from the display each day when the first auto receive operation of the day is performed Time data hour minutes seconds only was received during the last receive operation The settings updated indicator appears only when time data and date data year month day are both received e Perform manual signal receive or wait until the next auto signal receive operation is performed e Check to make sure the watch is in a location where it can receive the signal Time setting is incorrect following signal reception e If the time is one hour off the DST setting may be incorrect e The Home City code setting is not correct for the area where you are using the watch e Change the DST setting to Auto DST e Select the correct Home City code e For further information see Important under Time Calibration Signal Reception and Radio controlled Atomic Timekeeping Precautions Using t
16. and Moon age information that appears first when you enter the Tide Moon Data Mode shows the data at noon for your currently selected Home City on the current date according to the Timekeeping Mode After that you can specify another date to view data e If the Moon data is not correct check your Timekeeping Mode settings and correct them if necessary e The Moon phase is displayed in the Timekeeping Mode the Tide Moon Data Mode and the Diving Mode e If the watch is in the Diving Mode when there is a transition from one date to the next the Moon phase will not change to reflect the phase for the new date If you want to update the Moon phase exit and then re enter the Diving Mode e If the Moon phase indicator shows a phase that is a mirror image of the actual Moon phase in your area you can use the procedure under Reversing the Displayed Moon Phase to change it Tide Moon Data Screens In the Tide Moon Data Mode press to toggle between the tide data screen and the Moon data screen Tide Data Screen Moon Data Screen Current tide level pe phase Moon E 3 H 4 Time Month Day Moon age Month Day e When you display the Tide Data Screen it initially shows tide data for 6 00 a m Use the Tide Data Screen to specify the Tide Data time You can use to change the displayed time in one hour increments e Use the Moon Data Screen to specify the Tide Moon Data date You can use O to change the displayed date
17. appearance of the Moon phase indicator is reversed from the actual Moon as viewed from your location you can use the procedure under To reverse the displayed Moon phase to change the indicator Moon Phase indicator part you cannot see Moon phase part you can see Moon Phase 1 OO 2B 7 29 8 2 8 4 6 4 7 6 4 6 5 8 3 8 4 10 1 10 2 12 0 12 1 13 8 Moon Age 0 0 0 9 New First Moon Phase Moon Quarter Waxing Moon Phase Indicator Moon Age 13 9 15 7 15 8 17 5 17 6 19 4 19 5 21 2 21 3 23 1 23 2 24 9 25 0 26 8 26 9 28 6 Full Last Moon Phase _ Moon Quarter Waning Tidal Movements Tides are the periodic rise and fall of the water of oceans seas bays and other bodies of water caused mainly by the gravitational interactions between the Earth Moon and Sun Tides rise and fall about every six hours The Tide Graph of this watch indicates tidal movement based on the Moon s transit over a meridian and the lunitidal interval The Tide Graph calculates and graphically represents current tide conditions in your Home City or a port city in the vicinity of the Home City based on longitudes lunar day length and lunitidal interval preset in watch memory and on high tide times specified by you Tide Graph The Tide Graph graphically represents the current tide condition using one of three patterns that represent spring tide intermediate tide and neap tide as s
18. calibration signal the watch will attempt to pick up depends on its current Home City code setting as shown below Home City Code Transmitter Frequency LIS LON MAD PAR ROM Anthorn England 60 0 kHz BER STO ATH MOW Mainflingen Germany 77 5 kHz HKG BJS Shangqiu City China 68 5 kHz Fukushima Japan 40 0 kHz TPE SEL TYO Fukuoka Saga Japan 60 0 kHz HNL ANC YVR LAX YEA Fort Collins Colorado 60 0 kHz DEN MEX CHI NYC YHZ YYT the United States The areas covered by the HNL ANC and MOW city codes are quite far from the time calibration signal transmitters and so certain conditions may cause problems with signal reception e Calibration signal reception is disabled while a countdown timer operation is in progress Approximate Reception Ranges U K and German Signals Mainflingen U S Signal 500 kilometers 2 000 miles 3 000 kilometers The Anthorn signal is receivable within this area 600 miles 1 000 kilometers Fort Collins Japan Signals 500 kilometers 500 kilometers Fukushima Fukuoka Saga 1 000 kilometers 1 000 kilometers Signals are receivable in the Taiwan area when reception conditions are good al China Signal __ 1 500 kilometers eee Changchun 500 kilometes _J Z a de Beijing Shanghai Chengdu Hong Kon Shangqiu 3 g e Signal reception may not be possible at distances in excess of those noted belo
19. ch outside of your sleeve as much as possible Charging is reduced significantly if the face is covered only partially Bright Light General Guide e Press to change from mode to mode Holding down for about one second in any mode switches directly to the Diving Mode Holding down for about one second in the Diving Mode switches to the r Timekeeping Mode e In any mode except when a setting screen is on the display press to illuminate the display Diving Mode Hold down Radio controlled Atomic Timekeeping This watch receives a time calibration signal and updates its time setting accordingly e This watch is designed to pick up the time calibration signals transmitted in Germany Mainflingen England Anthorn the United States Fort Collins China Shangqiu and Japan Fukushima Fukuoka Saga Current Time Setting This watch adjusts its time setting automatically in accordance with a time calibration signal You also can perform a manual procedure to set the time and date when necessary e The first thing you should do after purchasing this watch is to specify your Home City the city where you normally will use the watch For more information see To specify your Home City below e When using the watch outside the areas covered by the time signal transmitters you will have to adjust the current time setting manually as required See Timekeeping for more information about manual time
20. e next dive The watch starts an interval measurement whenever you press at the end of a dive to reset dive time measurement e Note that the current ongoing interval time is shown on the screen of the newest record in diving log memory It is not displayed in the Diving Mode For information about viewing diving log records Diving Log Records e The interval is displayed on the screen of the newest diving log only while an interval timing operation is in progress Starting and Stopping Dive Time Measurement Be sure to recharge the battery by exposing the watch to light before starting a dive To start dive time measurement In the Diving Mode press To stop dive time measurement While a dive time measurement operation is in progress hold down for about one second e Pressing again without resetting the dive time measurement see below will cause timing to resume from where it was stopped To reset a dive time measurement and start interval measurement While dive time measurement is stopped press e This creates new diving log record with the currently displayed dive time information and starts interval measurement Current ongoing interval measurement is shown on the screen of the newly created record To reset a dive time measurement and exit the Diving Mode While dive time measurement is stopped hold down for about one second e This creates new diving log record with the currently displayed i
21. e to display the Current time in current time in any particular time zone around the selected city globe See the City Code Table for information about the UTC differential settings that are supported e All of the operations in this section are performed in the World Time Mode which you enter by pressing To view the time in another city While in the World Time Mode use eastward to scroll through the city codes time zones e Pressing and at the same time will jump to the UTC time zone To toggle a city code time between Standard Time and Daylight Saving Time 1 In the World Time Mode use to display the city code time zone whose Standard Time Daylight Saving Time setting you want to change 2 Hold down to toggle between Daylight Saving Time DST indicator displayed and Standard Time DST indicator not displayed e The DST indicator is shown on the World Time Mode DST indicator screen while Daylight Saving Time is turned on e Note that the Standard Time Daylight Saving Time setting affects only the currently displayed city code Other city codes are not affected e Note that you cannot switch between Standard Time and Daylight Saving Time while UTC is selected as the city code 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 1 on and off e There are five alarm screens numbered i i F
22. es e If you use the light or alarms a number of times during a short period all segments of the battery power indicator flash and the following operations become temporarily disabled as battery power recovers Display illumination Alarm and hourly time signal Access to Diving Mode Time calibration signal reception After some time the battery power indicator should stop flashing to indicate that battery power is back to normal At this time the watch should return to normal operation e If the battery power indicator frequently flashes it means that battery power is low Leave the watch in bright light to allow it to charge 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 The following table show
23. he Diving Mode You can use the Diving Mode to keep log records of the duration of each of your dives Each log record includes a log number the dive time and the dive start date and time There is enough memory to hold up to 10 diving log records You can use the Diving Log Recall Mode to display diving log records currently in memory e Use to enter the Diving Mode as shown under General Guide e If you leave the watch in the Diving Mode for about 11 to 12 hours it will automatically switch to the Timekeeping Mode Diving Mode Screens Dive Time Measurement Reset Screen Mode name Ongoing Dive Time Measurement Screen Dive start time Dive time hours minutes seconds Graphic Area The Dive Graph indicates the current dive time in minutes While a dive time measurement operation is in progress the current minute of the dive flashes in the graph e The Dive Graph time does not include interval time Current time Dive time hours Current time minutes seconds CASIO Measuring Units and Ranges Dive Time Unit 1 second Range 23 59 59 24 hours Dive Interval Time Unit 1 minute Range 47 59 48 hours e When the interval time exceeds the above range interval time measurement automatically stops and the current interval time disappears from the screen of the newest diving log record About the Interval The interval is time that elapses between the stop of the last dive and the start of th
24. he calibration times Doing so can interfere with correct calibration e Remember that reception of the calibration signal depends on the current time in the Timekeeping Mode The receive operation will be performed whenever the display shows any one of the calibration times regardless of whether or not the displayed time actually is the correct time About the Signal Strength Indicator The signal strength 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 The signal strength indicator is displayed while an auto or manual receive operation is in progress Settings updated indicator Weak Strong Level 1 Level 3 e Even in an area where signal strength is strong it takes about 10 seconds for signal reception to stabilize enough for the signal strength indicator to indicate signal strength e Use the signal strength indicator as a guide for checking signal strength and for finding the best location for the watch during signal receive operations Following reception of the time calibration signal and calibration of the watch s time setting the settings updated indicator will remain on the display in all modes The settings updated indicator will not be displayed if signal reception was unsuccessful or after you adjust the current time setting manually The settings updated indicator is displayed only when the watch is able
25. hown below Tide Name Graph Description Spring Tide Large difference between high tide j N and low tide Occurs a few days TT before and after a New Moon and Full Moon Intermediate Tide 7 A Medium difference between high tide Rus and low tide Neap Tide Small difference between high tide BR and low tide Occurs a few days l a Bp a before and after the first quarter and last quarter of a half Moon e The Tide Graph flashes as shown below to indicate the tide range Low tide N wo High tide High tide e The segments on either end of the Tide Graph flash during high tide CASIO Button Operation Tone The button operation tone sounds any time you press one of the watch s buttons You can turn the button operation tone on or off as desired e Even if you turn off the button operation tone alarms the Hourly Time Signal and other beepers all operate normally Mute indicator To turn the button operation tone on and off 1 In the Timekeeping Mode hold down until the city code starts to flash which indicates the setting screen 2 Press nine times until the current button operation tone setting HEY Or FTE appears 3 Press to toggle the setting between HEY tone on and HUTE tone off 4 Press to exit the setting screen e The mute indicator is displayed in all modes when the button operation tone is turned off Power Saving Function When turned on
26. light Saving Time 4 00 am 5 00 am Midnight 1 00 am 2 00 am Your Home City Standard Time 3 00 am 4 00 am 5 00 am _ Midnight 1 00 am 2 00 am Daylight Saving Time 4 00 am 5 00 am_ Midnight 1 00 am 2 00 am 3 00 am Standard Time 4 00 am 5 00 am _ Midnight 1 00 am 2 00 am 3 00 am Daylight Saving Time 5 00 am Midnight 1 00 am 2 00 am 3 00 am 4 00 am StandardTime and 1 00 am 2 00 am 3 00am 4 00 am 5 00 am Daylight Saving Time Standard Time Midnight 1 00 am 2 00 am 3 00am 4 00 am 5 00 am StandardTime and Midnight 1 00 am 2 00am 3 00 am 4 00 am 5 00 am Daylight Saving Time Next day Note e When a calibration time is reached the watch will receive the calibration signal only if it is in either the Timekeeping Mode or World Time Mode Reception is not performed if a calibration time is reached while you are configuring settings Auto receive of the calibration signal is designed to be performed early in the morning while you sleep provided that the Timekeeping Mode time is set correctly Before going to bed for the night remove the watch from your wrist and put it in a location where it can receive the signal easily e The watch receives the calibration signal for two to seven minutes everyday when the time in the Timekeeping Mode reaches a calibration time Do not perform any button operation within seven minutes before or after t
27. ly successful reception on the current day If no reception was successful To turn auto receive on and off 1 In the Timekeeping Mode press to display the last successful receive time and date screen 2 Hold down until the current auto receive setting 8 f or FF starts to flash This is the setting screen e Note that the setting screen will not appear if the currently selected Home City is one that does not support time calibration reception 3 Press to toggle auto receive on g and off 8 FF 4 Press to exit the setting screen e For information about city codes that support signal receive see To specify your Home City On Off status To check the latest signal reception results In the Timekeeping Mode press to view the last successful receive time and date Press again to return to the previous screen The watch also will return to normal timekeeping if you do not perform any button operation for about one or two minutes Signal Reception Troubleshooting Check the following points whenever you experience problems with signal reception Problem Probable Cause What you should do Cannot perform manual receive The watch is not in the Timekeeping Mode e Your current Home City is not one of the following LIS LON MAD PAR ROM BER STO ATH MOW HKG BJS TPE SEL TYO HNL ANC YVR LAX YEA DEN MEX CHI NYC YHZ or YYT e Enter the Timekeeping Mode and try ag
28. ncy 40 0 kHz Fukuoka Saga Japan Call Sign JJY Frequency 60 0 kHz Shangqiu City Henan Province China Call Sign BPC Frequency 68 5 kHz Diving Functions Dive time measurement unit 1 second Dive time measurement range 23 59 59 24 hours Dive interval time measurement unit 1 minute Dive interval time measurement range 47 59 48 hours Diving log records 10 Dive start month day and time dive time dive interval time Tide Moon Data Moon phase indicator for specific date Tide level for specific date and time Other High tide time adjustment Moon phase reversal World Time 48 cities 31 time zones Other Daylight Saving Time Standard Time Alarms 5 daily alarms four one time alarms one snooze alarm Hourly Time Signal 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 24 hours 1 minute increments and 1 hour increments Illumination EL electro luminescent panel Full Auto Light Switch Selectable illumination duration Other Button operation tone on off Power Supply Solar cell and one rechargeable battery Approximate battery operating time 8 months from full charge to Level 4 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
29. nformation and exits the Diving Mode to the Timekeeping Mode e See Diving Log Records for more information Diving Time Measurement Example e Single dive OStart Stop Dive time 0 00 00 0 2013 Dive interval time d 0 00 00 Interval measurement is Reset possible up to 47 59 59 e Multiple dives and intervals OStart Stop OStart Stop Dive Time 1 Dive Time 2 0 00 00 0 15 10 0 00 00 0 17 15 Interval 1 Interval 2 7 0 00 00 0 00 00 Reset Reset Important e Pressing again after stopping dive time measurement will cause timing to resume from where it was stopped e Dive time interval measurement continues internally if you exit the Diving Mode without resetting A diving log record is not created in this case Diving Log Records A new diving log record is created whenever you reset a dive time measurement either by pressing to start interval measurement or by holding down to exit the Diving Mode Each diving log record includes a log number the dive time the dive start date and time and the interval prior to the dive if there was one e There is enough memory for 10 diving log records If there are already 10 diving log records in memory when you perform a reset operation the oldest record currently in memory is deleted automatically to make room for the new record To view diving log records 1 In the Timekeeping Mode press to ente
30. 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 even if the face is covered only partially Important e Storing the watch for long periods in an area where there is no light or wearing it in such a way that it is blocked from exposure to light can cause rechargeable battery power to run down Make sure that the watch is exposed to bright light whenever possible e This watch uses a 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 rechargeable battery to charge fully contact your dealer or CASIO distributor about having it replaced Operation Guide 3184 e Never try to remove or replace the watch s rechargeable 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 and when you have the battery replaced e Turn on the watch s Power Saving function and keep it in an area normally exposed to bright light when storing it for long periods This helps to keep the rechargeable battery from going dead Battery Power Indicator and Recover Indicato
31. parallel with the ground and then tilt it back toward you again If this does not work drop your arm all the way down so it hangs at your side and then bring it back up again e Under certain conditions illumination may not turn on until about one second after you turn the face of the watch towards you This does not necessarily indicate malfunction of the auto light switch e You may notice a very faint clicking sound coming from the watch when it is shaken back and forth This sound is caused by mechanical operation of the auto light switch and does not indicate a problem with the watch Specifications Accuracy at normal temperature 15 seconds a month with no signal calibration 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 Time Calibration Signal Reception Auto receive 6 times a day 5 times a day for the Chinese calibration signal Remaining auto receives cancelled as soon as one is successful Manual receive Receivable Time Calibration Signals Mainflingen Germany Call Sign DCF77 Frequency 77 5 kHz Anthorn England Call Sign MSF Frequency 60 0 kHz Fort Collins Colorado the United States Call Sign WWVB Frequency 60 0 kHz Fukushima Japan Call Sign JJY Freque
32. r The battery power indicator on the display shows you the current status of the rechargeable battery s power Level Battery Power Indicator Function Status All functions enabled L MPH All functions enabled LBM H Auto and manual receive illumination beeper and Diving Mode access Battery power disabled indicator Except for timekeeping and the CHG charge indicator all functions and display indicators disabled All functions disabled e At Level 5 all functions are disabled and settings return to their initial factory defaults Once the battery reaches Level 2 after falling to Level 5 reconfigure the current time date and other settings e The watch s Home City code setting will change automatically to TYO Tokyo whenever the battery drops to Level 5 With this Home City code setting the watch is configured to receive the time calibration signals of Japan If you are using the watch in North America Europe or China you will need to change the Home City code setting to match your location whenever the battery drops to Level 5 e Display indicators reappear as soon as the battery is charged from Level 5 to Level 2 e Leaving the watch exposed to direct sunlight or some other very strong light source can cause the battery power indicator to show a reading temporarily that is higher than the actual battery level The correct battery level should be indicated after a few minut
33. r the Diving Log Recall Mode e This displays the newest record in memory e The interval currently being measured is displayed on the screen of the newest diving log record e will appear on the screen if there is no diving log data stored in memory e If you do not perform any operation for about one or two hours in the Diving Log Recall Mode the watch will automatically return to the Timekeeping Mode 2 Press to scroll through the log records from newer to older e Log numbers are lower for older log records Newest Record Log record _ Log record Loe i0 number g number 6 36 1548 Dive start Dive time Dive start date month day Dive start Dive time Dive interval time time time Operation Guide 3184 To delete diving log records In the Diving Log Recall Mode hold down for about three seconds e Keep depressed for the full three seconds During this time message CLR will flash on the display and then will appear Log records will not be deleted if you release before appears indicates that all log records have been deleted Note e This procedure deletes all diving log records Diving log records cannot be deleted individually e Note that you cannot delete log records while a diving time measurement operation is in progress Hold down for about three seconds Tide Moon Data In the Tide Moon Data Mode you can see the current tide and the current date
34. rrent countdown start time starts to flash which indicates the setting screen e If the countdown start time is not displayed use the procedure under To use the countdown timer to display it Press to move the flashing between the hour and minute settings When a setting is flashing use and to change it To specify a countdown start time of 24 hours set HEHH 4 Press to exit the setting screen CASIO To use the countdown timer Press while in the Countdown Timer Mode to start the countdown timer e The countdown timer operation continues even if you exit the Countdown Timer Mode e Press while a countdown operation is in progress to pause it Press again to resume the countdown e To stop a countdown operation completely first pause it by pressing and then press This returns the countdown time to its starting value Timer start time Current timer time Illumination This watch has an EL electro luminescent panel that causes the entire display to glow for easy reading in the dark The watch s auto light switch 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 illumina
35. s on the display in all V Or cists modes while Power Saving is turned on Radio controlled Atomic Timekeeping Precautions e Strong electrostatic charge can result in the wrong time being set e The time calibration signal bounces off the ionosphere Because of this such factors as changes in the reflectivity of the ionosphere as well as movement of the ionosphere to higher altitudes due to seasonal atmospheric changes or the time of day may change the reception range of the signal and make reception temporarily impossible e Even if the time calibration signal is received properly certain conditions can cause the time setting to be off by up to one second e The current time setting in accordance with the time calibration signal takes priority over any time settings you make manually e The watch is designed to update the date and day of the week automatically for the period January 1 2000 to December 31 2099 Setting of the date by the time calibration signal cannot be performed starting from January 1 2100 e This watch can receive signals that differentiate between leap years and non leap years e Though this watch is designed to receive both time data hour minutes seconds and date data year month day certain signal conditions can limit reception to time data only e If you are in an area where proper time calibration signal reception is impossible the watch keeps the time with the precision noted in Specifications e
36. s 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 5 minutes Sunlight Through a Window 10 000 lux 24 minutes Daylight Through a Window on a Cloudy Day 5 000 lux 48 minutes 8 hours 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 Indoor Fluorescent Lighting 500 lux 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 5 Level 4 Level 3 Level 2 Level 1 Outdoor Sunlight 50 000 lux Sunlight Through a Window 10 000 lux Daylight Through a Window on a Cloudy Day 5 000 lux Indoor Fluorescent Lighting 500 lux e The above exposure time values are all for reference only Actual required exposure times depend on lighting conditions 2 hours 17 hours 5 hours 7 hours 84 hours 23 hours 13 hours 171 hours 46 hours 145 hours CASIO Timekeeping Use the Timekeeping Mode to set and view the current time and date Press A to toggle between the day of the week and date Date screen and the curren
37. settings e The U S time calibration signal can be picked up by the watch while in North America The term North America in this manual refers to the area that consists of Canada the continental United States and Mexico As of January 2009 China does not use Daylight Saving Time DST If China does go to the Daylight Saving Time system in the future some functions of this watch may no longer operate correctly when receiving the China time calibration signal To specify your Home City 1 In the Timekeeping Mode hold down until the city ciy code code starts to flash which indicates the setting screen Press east and west to select the city code you want to use as your Home City LIS LON Lisbon London MAD PAR ROM BER STO Madrid Paris Rome Berlin Stockholm ATH Athens Seconds MOW Moscow Hour Minutes HKG BJS TPE Hong Kong Beijing Taipei PM indicator SEL TYO Seoul Tokyo HNL Honolulu ANC Anchorage YVR LAX Vancouver Los Angeles YEA DEN Edmonton Denver MEX CHI Mexico City Chicago NYC New York YHZ Halifax YYT St Johns CASIO 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
38. signal When any auto receive is successful the remaining auto receive operations are not performed for that day For more information see About Auto Receive e Manual Receive Manual receive lets you start a time calibration receive operation with the press of a button For more information see To perform manual receive Operation Guide 3184 Important e When getting ready to receive the time calibration signal position the watch as shown in the nearby illustration with its 12 o clock side pointing towards a window This watch is designed to receive a time calibration signal late at night Because of this you should place the watch near a window as shown in the illustration when you take it off at night Make sure there are no metal objects nearby e Make sure the watch is facing the right way e Proper signal reception can be difficult or even impossible under the conditions listed below Inside or Insidea Near Near a Near high Among or among vehicle household construction tension power behind buildings appliances site airport lines mountains office or other equipment sources of or a mobile electrical phone noise e Signal reception normally is better at night than during the day e Time calibration signal reception takes from two to seven minutes but in some cases it can take as long as 14 minutes Take care that you do not perform any button operations or move the watch during this time e The time
39. tarting from zero after it reaches its limit until you stop it e The stopwatch measurement operation continues even if you exit the Stopwatch Mode Exiting the Stopwatch Mode while a split time is frozen on the display clears the split time and returns to 1 100 second elapsed time measurement Minutes e All of the operations in this section are performed in the Stopwatch Mode which you enter by pressing Seconds To measure times with the stopwatch Elapsed Time gt 0 0 Start Stop Re start Stop Clear Split Time gt 0 Start Split Split release Stop Clear SPL displayed Two Finishes gt Start Split Stop Split release Clear First runner finishes Second runner Display time of Display time of first finishes second runner runner Countdown Timer You can set the countdown timer within a range of one minute to 24 hours An alarm sounds when the countdown reaches zero e All of the operations in this section are performed in the Countdown Timer Mode which you enter by pressing Countdown End Beeper Minutes The countdown end beeper lets you know when the countdown reaches zero The beeper stops after about 10 Seconds seconds or when you press any button To configure the countdown timer 1 While the countdown start time is on the display in the Countdown Timer Mode hold down until the cu
40. te the display manually In any mode press 8 to turn on illumination e The above operation turns on illumination regardless of the current auto light switch setting e You can use the procedure below to select either 1 5 seconds or 3 seconds as the illumination duration when you press e Regardless of the watch s current illumination duration setting the display remains illuminated for about three seconds in the Diving Mode To specify the illumination duration 1 In the Timekeeping Mode hold down until the display contents start to flash This is the setting screen 2 Press 10 times until the current illumination duration setting L T 1 or L T appears 3 Press to toggle the setting between LT i approximately 1 5 seconds and L T approximately 3 seconds 4 Press to exit the setting screen 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 EL Light so the auto light switch operates only when available light is below a certain evel It does not turn on the backlight under bright light 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 GS A Parallel q fe ee 7 y VA Y a J Wx A pan z S
41. 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 Power saving indicator Elapsed Time Display Operation in Dark 60 to 70 minutes Blank with Power Saving All functions enabled except for the indicator flashing display 6 or 7 days Blank with Power Saving Auto receive beeper tone indicator not flashing illumination and display are disabled e Wearing the watch inside the sleeve of clothing can cause it to enter the sleep state 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 e The watch will not enter a sleep state while in the Diving Mode Stopwatch Mode or Countdown Timer Mode To recover from the sleep state Perform any one of the following operations e Move the watch to a well lit area e Press any button e Angle the watch towards your face for reading To turn Power Saving on and off 1 In the Timekeeping Mode hold down until the city code starts to flash which indicates the setting screen 2 Press 11 times until the Power Saving on off screen appears 3 Press to toggle Power Saving on 8 f and off D FF 4 Press to exit the setting screen e The Power Saving indicator i
42. tly selected World Time city and time Dual Time PM indicator Date Screen Dual Time Screen Day of week Month Day On KS ED pan AVE City code Dual time Hour Minutes Seconds 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 Mode city codes are displayed in accordance with the time and date settings you configure in the Timekeeping Mode To set the time and date manually 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 e Make sure you select your Home City code before changing any other setting e For full information on city codes see the City Code Table 3 Press to move the flashing in the sequence shown below to select the other settings n 12 24 Hour 5 i City Code DST J Format J Seconds gt our Minutes Power Saving Illumination Button Duration Operation Tone 4 When the timekeeping se
43. to receive both time and date data successfully It does not appear when only time data is received The settings updated indicator indicates that at least one of the auto calibration signal receive operations was successful Note however that the settings updated indicator disappears from the display each day when the first auto receive operation of the day is performed Signal strength indicator To perform manual receive ae 1 Enter the Timekeeping Mode Receiving 2 Hold down for about two seconds until the settings Settings updated indicator updated indicator starts to flash on the display This indicates that manual receive is in progress e Time calibration signal reception takes from two to seven minutes Take care that you do not perform any button operations or move the watch during this time e If the receive operation is successful the reception date and time appear on the display along with the HET indicator 3 After manual receive is complete press to return to normal timekeeping e The watch also will return to normal timekeeping if you do not perform any button operation for about one or two minutes CASIO Operation Guide 3184 Receive failed e If the latest reception fails but a previous reception was successful on the current day the settings updated indicator will be on the display Note e To interrupt a receive operation and return to normal timekeeping press If there was a previous
44. tting you want to change is flashing use or to change it as described below Screen To do this Do this TY k fm Change the city code Use east and west AUTO Cycle between Auto DST FillTti Daylight Press Saving Time F4 and Standard Time FF 12H Toggle between 12 hour 7 H and 24 Press hour ee F4 timekeeping Reset the seconds to 34 ra rire uu EET a8 Press Use and Change the hour and minutes 2H ig 6 30 Change the year month or day Use and MUTE Toggle the button operation tone between Press RE h on and MUTE off LT Toggle the illumination duration between Press 4 LT 1 approximately 1 5 seconds and L T approximately 3 seconds F n off B FF Toggle between Power Saving on 8 f and Press 5 Press to exit the setting screen e Auto DST FLITE can be selected only while LIS LON MAD PAR ROM BER STO ATH MOW TPE SEL TYO HNL ANC YVR LAX YEA DEN MEX CHI NYC YHZ or YYT is selected as the Home City code For more information see Daylight Saving Time DST The day of the week is displayed automatically in accordance with the date year month and day settings 12 hour and 24 hour timekeeping e With the 12 hour format the P PM indicator appears to the left of the hour digits for times in the range of noon to 1
45. utherly view as you view it You can use the procedure below to reverse the displayed Moon phase so it matches the actual appearance of the Moon where you are located To determine the viewing direction of the Moon use a compass to take a direction reading of the Moon at its meridian passage e For information about the Moon phase indicator see Moon Phase Indicator To reverse the displayed Moon phase 1 In the Tide Moon Data Mode hold down until the hour digits start to flash 2 Press twice e This will cause the Moon phase indicator to flash This is the indicator switching screen 3 Press to toggle the Moon phase indicator between the southerly view indicated by F4 and northerly view indicated by fF 4 e Northerly view Moon is north of you e Southerly view Moon is south of you 4 When the Moon phase indicator setting is the way you want press to exit the switching screen and return to the Tide Moon Data Mode screen World Time World Time shows the current time in 48 cities 31 time zones around the world e The times kept in the World Time Mode are synchronized with the time being kept in the Timekeeping Mode If you feel that there is an error in any World Time Mode time check to make sure you have the correct city selected as your Home City Also check to make sure that the current time as shown in City code the Timekeeping Mode is correct Select a city code in the World Time Mod
46. w during certain times of the year or day Radio interference also may cause problems with reception Mainflingen Germany or Anthorn England transmitters 500 kilometers 310 miles Fort Collins United States transmitter 600 miles 1 000 kilometers Fukushima or Fukuoka Saga Japan transmitters 500 kilometers 310 miles Shangqiu China transmitter 1 500 kilometers 910 miles e Even when the watch is within the reception range of the transmitter signal reception will be impossible if the signal is blocked by mountains or other geological formations between the watch and signal source Signal reception is affected by weather atmospheric conditions and seasonal changes e See the information under Signal Reception Troubleshooting if you experience problems with time calibration signal reception About Auto Receive The watch receives the time calibration signal automatically up to six times a day five times a day for the Chinese calibration signal When any auto receive is successful the remaining auto receive operations are not performed The reception schedule calibration times depends on your currently selected Home City and whether standard time or Daylight Saving Time is selected for your Home City Auto Receive Start Times 2 3 5 6 Standard Time 2 00 am 3 00 am 4 5 00 am_ Midnight Daylight Saving Time 3 00 am _ 4 00 am Midnight 1 00 am Standard Time 3 00 am 4 00 am 5 00am _ Midnight 1 00 am Day
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