Casio MA0312-EA User's Manual
Contents
1. On This setting turns on summer time and advances the current time by one hour e The DST indicator appears on the display while summer time is turned on When the summer time setting is the way you want press the button twice This will exit the setting screen and return to the Timekeeping Mode screen e The display also will exit the setting screen automatically if you do not perform any operation for about two or three minutes Summer time or Daylight Saving Time DST as is it is called in some areas calls for setting clocks ahead one hour during the summer season Note that the use of summer time depends on the country and even the local area Configuring Auto Receive Settings Operation Guide 2839 Configuring Transmitter Selection Mode Settings Auto receive settings can be configured only when TYO LAX DEN CHI or NYC is selected as the Home City e When using this watch in Japan it is recommended that you use the AUTO On auto recieve setting Timekeeping Mode 1 Inthe Timekeeping Mode hold down the button for about two seconds e This will cause the watch to beep and display the transmitter selection mode setting screen Button Enters exits the setting Atty mode 7 gt FRESH TED yar endear 7 Button e Moves the flashing between settings Button Scrolls through the available settings N E 2 Press2. E To turn on the auto light switch n the Timekeeping Mode hold down the button for about two seconds to toggle the auto light switch on auto light switch on indicator displayed and off no indicator displayed ALM SIG SNA AUTOR Auto light switch t on Indicator E To illuminate the display With the watch on youi wrist position it parallel with the ground Rotate your arm so the watch is angled at about 40 degrees so you can read its display woo Atleast 40 e You should be wearing the watch on the outside of your wrist when using the auto light switch e Make sure that the left 9 o clock and right 3 o clock sides of the watch are within 15 degrees of being parallel with the ground y The auto light switch may not operate properly if the angle is greater Display Illumination Precautions e The light may be difficult to see if you turn it on under bright sunlight e Ifyou press the button or if an alarm operation starts while the display is illuminated illumination will turn off e You may notice a slight sound from the watch while the display is illuminated This is the sound of EL panel vibration and does not indicate malfunction Auto Light Precautions e Frequent use of the auto light can run down the battery e The auto light switch may turn on illumination when the display of the watch is shaded by your sleeve e Illumination may not turn o
3. e Hold down to toggle summer time Daylight Saving Time on and off Summer time or Daylight Saving Time DST as is it is called in some countries calls for setting clocks ahead one hour during the summer season Note that the use of summer time depends on the country and even the local area World Time City Code List City Code City Name GMT Differential City Code City Name GMT Differential 11 JRS Jerusalem 2 HNL Honolulu 10 JED Jeddah 3 ANC Anchorage 9 THR Teheran 3 5 LAX Los Angeles 8 DXB Dubai 4 DEN Denver KBL Kabul 4 5 CHI Chicago 6 KHI Karachi 5 NYC New York 5 DEL Delhi 5 5 ccs Caracas 4 DAC Dakar 6 RIO Rio de Janeiro RGN Yangon 6 5 2 BKK Bangkok 7 aS l HKG Hong Kong 8 GMT Greenwich Mean Time 0 SEL Seoul 9 LON London 0 TYO Tokyo 9 PAR Paris 1 ADL Adelaide 9 5 BER Berlin 1 SYD Sydney 10 ATH Athens 2 NOU Noumea 11 CAI Cairo 2 WLG Wellington 12 e The contents of the above table are current as of June 2003 Time differentials in the above table are in accordance with Universal Time Coordinated UTC Operation Guide 2839 Alarm Mode You watch comes with five alarms and an hourly time signal Daily Alarms AL 1 to AL 4 The watch beeps for about 10 seconds when an alarm time is reached Snooze Alarm SNZ With the snooze alarm the watch beeps for 10 seconds when the alarm
4. be interfering with reception Even if you are within the reception range of a transmitter objects between you and the transmitter or electrical noise can interfere with reception Avoid such areas during signal reception See Location for more information Do you have the correct Home City code selected Remember that auto receive is not performed unless TYO Japan NYC New York CHI Chicago DEN Denver or LAX Los Angeles is selected as the Home City Select the correct Home City code using the procedure under Selecting Your Home City e Is auto receive turned off Use the procedure under Configuring Auto Receive Settings to turn on auto receive e Is the watch in any mode other than the Timekeeping Mode or World Time Mode during the auto receive times 2 00 a m 3 00 a m 4 00 a m and 5 00 a m Auto receive is performed only when the watch is in the Timekeeping Mode or World Time Mode It is not performed if the watch is in any other mode Time calibration signal reception is successful but the hourly time signal and current time are slightly off After the watch receives the time calibration signal it performs an internal decoding process before updating its time setting Because of this the time setting may be slightly off within one second Time calibration signal reception is successful but the current time is one hour fast Do you have summer time DST turned on Use the proc
5. is in progress Receive icon E To interrupt reception Press the button e All other buttons besides are disabled during signal reception When reception is successful The watch terminates reception and adjusts the current time Next it beeps and then displays the date and time the adjustment was performed The G icon on the display also indicates successful signal reception The G icon is cleared from the display each day at 3 00 a m Reception Error ERR Indicator The watch does not adjust its current time setting and displays ERR when signal reception is unsuccessful for some reason e The display will return to the normal timekeeping screen automatically if you do not perform any operation for about one or two minutes E Receive Icon The receive icon cycles from Unstable through Stable as shown below while reception is in progress How far it cycles depends on the signal strength Keep the watch in a location where reception is stable while reception is in progress Receive Icon Unstable Stable e Even under optimum reception conditions it can take about 10 seconds for reception to stabilize e Use the receive icon to check reception status and to determine the best location for signal reception e Note that weather the time of day surroundings and other factors can all affect reception E To view the last reception date and time In the Timekeeping Mode pre
6. light may cause the battery level indicator to momentarily indicate a level that is higher than the actual battery level Because of this you should wait for a short while after charging to check the battery level indicator e Even if battery power drops to Level 4 normal operation will return after the battery recovers e After the battery drops to Level 4 the display will turn back on after it recovers to Level 3 However you should keep the watch exposed to light until the battery reaches Level 2 or Level 1 before using the watch E Start charging at Level 3 Battery Level 3 indicates that remaining battery power is very low Be sure to expose the watch to light for recharging as soon as possible after the Level 3 indicator starts to flash E Charging Precautions Avoid charging the watch in the following locations and anywhere else where the watch may become very hot On the dashboard of an automobile parked in the sun e Very close to an incandescent light source or other sources of heat e Ina location exposed to direct sunlight for long periods Note that the display panel may become black under very high temperatures This is temporary and the display will appear normal again at lower temperatures Depending on the light source you are using the case of the watch may become quite hot during charging Take care to guard against burn injury after charging E To charge the battery Point the solar panel
7. time is reached and up to seven times at five minute intervals thereafter approximately 30 minutes total Pressing any button stops the beeper but the alarm will sound again after five minutes Hourly Time Signal The hourly time signal causes the watch to beep twice every hour on the hour When you enter the Alarm Mode the screen for the alarm that was displayed when you last exited the mode appears first Timekeeping Mode Current Time Alarm Number Three Times Alarm Time E To select an alarm or the Hourly Time Signal screen Each press of the button cycles through available screens in the sequence shown below Alarm 2 Alarm 1 E To set an alarm time 3 Example To set Alarm 2 for 3 30 p m 1 Alarm Number Inthe Alarm Mode use the button to scroll through the alarm screens until the one whose setting you want to change is displayed The alarm number or snooze alarm indicator SNZ appears at the bottom of the display to indicate the current screen 2 Hold down the button Hour for about two seconds S 4 until the hour digits start Loa pp to flash on the display ay 3g aI T 4 This also causes the alarm on K N indicator to appear and automatically turns on the alarm Alarm on indicator Button e Enters exits the setting mode Button Scrolls back through the options at the flashing selected setting Button e Moves the fl
8. using this watch in Japan it is recommended that you use the AUTO summer time setting Timekeeping Mode 1 In the Timekeeping Mode hold down the button for about two seconds e This will cause the watch to beep and display the transmitter selection mode setting screen Button e Enters exits the setting Ad mode A FRES ni riS E En e eN Button L2 Moves the flashing between settings a O Button Scrolls through the FREQUENCY Frequency available settings 2 A MULA Press the button twice Be moe mary to select the summer time AALE A setting eh E e The current summer time setting will be flashing onthe display 3 Press the button to cycle through the summer time settings in the sequence shown below e Turning on summer time On causes the current time setting to advance one hour AUTO gt OFF ON AUTO This setting enables the auto summer time setting which turns summer time on or off in accordance with the received time calibration signal e This setting uses Japan summer time data when TYO is selected as the Home City and U S DST data when NYC CHI DEN or LAX is selected as the Home City Note that AUTO can be selected only when TYO LAX DEN CHI or NYC is selected as the Home City Selection OFF This setting turns off summer time and returns to normal timekeeping
9. Mt Otakadoya 40kHz Mt Hagane 60kHz 1000km Under optimum conditions the calibration signal should be receivable up to 1 000 kilometers from the transmitter Note that the wave is relatively weak at distances greater than 500km so reception may be poor at long distances Transmitter Location Fort Collins Under optimum conditions the calibration signal should be receivable up to 3 000 kilometers from the transmitter Note that the wave is relatively weak at distances greater than 1 000km so reception may be poor at long distances Geographic contours nearby buildings the season the time of day can even make reception impossible even when you are within range of the transmitter e Best reception is possible late at night Location Reception is difficult and may even be impossible in the locations described below Avoid such locations when performing signal reception e You should think of your watch operating like a radio or TV when it is receiving the calibration signal Among or near buildings E ae Inside a vehicle automobile train plane etc Next to a household appliance or office equipment TV speaker fax computer cell phone etc FA Pye In a location where there is radio interference construction site airport etc Near mountains If you are experiencing problems with reception move away from the types of locations described above to a locati
10. Power Saving causes the watch to automatically enter a sleep state to save power whenever the watch is left in the dark The Power Saving feature is turned on at the factory e Note that the watch may also enter the sleep state if the watch is blocked from light by your sleeve E How the sleep state works E To recover from the sleep state Display sleep state Place the watch in an area that is well lit press any button or The display sleep state is triggered whenever the watch is left in angle the watch toward your face to illuminate the display using the dark for about one hour between the hours of 10 p m and 6 the Auto Light see To illuminate the display a m e It can take up to two seconds before display figures re appear The display goes blank and a SLEEP indicator flashes on the after you place the watch in a well lit area display Alarms and the hourly time signal continue to operate normally while the watch is in the display sleep state Fi e The watch does not enter the sleep state if it is in the E To turn Power Saving on and off Stopwatch Mode Use the procedure under Configuring Time and Date Settings SLEEP Indicator Manually to turn Power Saving on or off e The watch automatically enters the sleep state if left in a desk drawer or some other dark place for a long time while Power Saving is turned on Function sleep state The function sleep state is triggered whenever the watch is left in the dark for six or
11. ailable settings in the sequence shown below is displayed for the transmitter selection mode setting when the current Home Time setting is a code other than TYO AUTO 40 60 AUTO With this setting the watch automatically selects either the Mt Otakadoya signal 40kHz or the Mt Hagane signal 60kHz whichever is strongest 40 With this setting the watch always receives the Mt Otakadoya signal 40kHz 60 With this setting the watch always receives the Mt Hagane signal 60kHz 3 When the setting you want is displayed press the button twice e This will exit the setting screen and return to the Timekeeping Mode screen e The display also will exit the setting screen automatically if you do not perform any operation for about two or three minutes Calibration Signal Reception Precautions Auto reception can be performed while the watch is in the Timekeeping Mode or World Time Mode only e Operating any button while auto reception is in progress will cause the watch to beep and then exit the receive operation e Make sure you are within the range of the calibration signal transmitter before performing the reception operation Remember that geographic contours nearby buildings the season the time of day can even make reception impossible even when you are within range of the transmitter e Proper reception may be impossible if there is something bl
12. arm on or off Hourly Time Signal MEET UU JALE ES Alarm On indicator Hourly Time Signal On Indicator Snooze Alarm Snooze On Indicator E To stop the alarm beeper Press any button e Inthe case of the snooze alarm the alarm will sound again in about five minutes SNZ flashes while the snooze alarm is active indicating that the alarm will sound again The snooze alarm will be canceled automatically when any of the following occurs while the Snooze alarm indicator SNZ is flashing on the display e If you turn off the snooze alarm in the Alarm Mode e If you enter the Alarm Mode display the snooze alarm screen and then display the setting screen e If you enter the Timekeeping Mode and then display the setting screen E To test the alarm In the Alarm Mode hold down the button to sound the alarm Operation Guide 2839 Stopwatch Mode Performing Stopwatch Operations Timekeeping M imekeeping Mode Mode Indicator BA 35 if nm 16 58 Four times About two seconds Button Split Reset e Press during elapsed time measurement to display the split time Press when elapsed time measurement is stopped to The stopwatch measures elapsed time in units of 1 100 second up to 23 hours 59 minutes 59 99 seconds 24 hours When the maximum imit is reached the elapsed time automatically returns to zero and timing continues from there E Ela
13. ashing between settings Button Scrolls forward through the options at the flashing selected setting buttons to change the hour setting Use the and Holding down either button changes the setting at high speed When setting the hour make sure you specify AM A or PM P correctly when using 12 hour timekeeping or that you specify the correct 24 hour time The same 12 hour 24 hour format you select for the Timekeeping Mode time is also applied in the Alarm Mode Press the button to select the minute setting Minute 5 Use the and buttons to change the minute setting e Each press of the 8 and button changes the minute setting in 30 minute increments Holding down either button changes the setting at high speed 6 When the setting is the way you want press the button e This exits the setting screen e The display also will exit the setting screen automatically if you do not perform any operation for about two or three minutes E To turn an alarm or the hourly time signal on and off 1 a In the Alarm Mode use the Alarm number button to display the screen for the alarm you want to turn on or off The alarm number or snooze alarm indicator SNZ appears at the bottom of the display to indicate the current screen 2 Press the button to toggle the displayed al
14. ber 31 2099 The day of the week is set automatically in accordance with the date you set setting is flashing press the button to toggle it on PS On or off PS OF way you want press the When the settings are the button This exits the setting screen The display also will exit the setting screen automatically if you do not perform any operation for about two or three minutes The watch automatically makes adjustments for leap years and month lengths Use the button to enter the Recall Mode The Time Stamp function lets you store up to 30 records of time data month day hour minute second Time Stamp records serve as helpful memos when you need to remember the current date and time for some reason E To create a Time Stamp record In the Timekeeping Mode hold down the button for about one second to create and store a Time Stamp record Timekeeping Mode Record Number E To view Time Stamp records Enter the Recall Mode when you want to view Time Stamp records The record that was on the display the last time you exited the Recall Mode appears first Timekeeping Mode Recall Mode Mode Indicator About two seconds E To search for Time Stamp data In the Recall Mode use the Record Number and buttons to scroll through Time Stamp records e Holding down either button scrolls at high speed Button e Scrolls in the direction of
15. ch to beep and display the transmitter selection mode setting screen Button e Enters exits the setting mode ILL Button l ES st TAD Scrolls back through the G IT options at the flashing selected setting Button EEA e Moves the flashing between settings FREQUENCY Frequency Button Scrolls forward through the options at the flashing selected setting 2 City Code to select the Home City setting Press the button once The currently selected city code will be flashing on the screen Use the and buttons to scroll through the city codes until the one you want to select is displayed Holding down either button Forward scrolls at high speed See the World Time City Code List for information about city codes 4 When the city code you want is displayed press the button twice e This will exit the setting screen and return to the Timekeeping Mode screen e The display also will exit the setting screen automatically if you do not perform any operation for about two or three minutes Selecting the LAX DEN CHI or NYC city code as your Home City will also display a U S time zone indicator Example Eastern time zone LAX P Pacific Time Zone DEN M Mountain Time Zone CHI C Central Time Zone NYC E Eastern Time Zone Configuring Summer Time Daylight Saving Time Settings When
16. day Current time Operation Guide 2839 Power Supply The power supply of this watch uses a solar cell to generate electrical power which is stored by a rechargeable battery Using or storing the watch where it is not regularly exposed to light or allowing it to be blocked from light by your sleeve as you are wearing it can cause the power of the rechargeable battery to run down To ensure stable operation be sure to allow the watch to be exposed to light as much as possible when you are wearing or storing it Note that all data in memory and all settings are cleared whenever you allow the level of the rechargeable battery to drop to Level 4 E Flashing Recover Indicator If you use the light or alarms a number of times during a short period a RECOVER indicator flashes on the display and the following operations become disabled as battery power recovers e Display illumination Alarm and hourly time signal Time calibration signal reception Battery Level Indicator RECOVER Indicator Normal operation will return after the battery recovers E Battery Indicator Level 1 Normal operation enabled Level 2 Normal operation enabled VI Display display illumination tones Level 3 ea alarms hourly time signal and Za signal reception disabled All functions including timekeeping Level 4 Off disabled Exposing the watch to direct sunlight or other strong
17. display of the watch at a light source e Remember that even a partial blockage of the solar cell reduces charging efficiency Example Positioning the watch ab Solar Cell e The illustration shows the resin band model Required Daily Charging Time e The following is the daily amount of charging required each day to support the operations under Daily Use E Charging Guide Starting from a full charge the watch should be able to continue operating for about six months without further charging under the conditions A Approximate described below Exposure Level aoe Brightness Exposire Daily Use All time values are Outdoor Sunlight approximate 50 000 lux e Display Illumination 1 5 Sunlight Through seconds a Window e Alarms 10 seconds 10 000 lux Signal reception 4 times Daylight Through a e Display 18 hours Window on a Cloudy Day 5 000 lux Make sure the watch is regularly z Indoor 3 exposed to light ensure stable par uorescen operation Lighting 500 lux Charge Times Required to Advance to a Higher Level Approximate Exposure Time Level 4 gt Level 3 gt Level 2 Level 1 Exposure Level Brightness 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 14 hours 3hours 70 hours 143 hours
18. e Note that the above charging times are for reference only Actual charging time depends on a variety of environmental factors Display Illumination An EL electro luminescent panel is used to illuminate the display of the watch for easy reading in the dark An auto light switch automatically illuminates the display when you angle the watch towards your face for reading E To illuminate the display manually When any screen besides a setting screen one with a flashing setting press the button to illuminate the display e The display remains illuminated for about 1 5 seconds e Pressing the button illuminates the display regardless of whether the auto light switch is on or off You may hear a faint rattling sound when you move the watch around This sound is caused by the movement of a metal bulb that controls operation of the auto light switch and does not indicate malfunction Illuminating the Display with the Auto Light Switch The full auto light switch automatically illuminates the display whenever you angle the watch towards your face for reading but only when it is dark e The full auto light switch does not illuminate the display when surrounding light is bright The auto light switch is very handy for reading the watch display in the dark The auto light switch illuminates the display for 1 5 seconds in all modes when you angle the watch towards your face
19. edure under Configuring Summer Time Daylight Saving Time Settings to turn off summer time Time calibration signal reception is successful but the current time setting is wrong e Is the correct city code selected for your Home City If you are in Japan you should have TYO selected for your Home City For other areas select the correct Home City code using the procedure under Selecting Your Home City Auto receive is turned on but the receive icon G is not on the display e The receive icon appears when a signal is received successfully and the time is updated It is not displayed if there is no successful signal reception throughout the day Also note that the icon disappears from the display each day at 3 00 a m Make sure that you are using the watch in an area that is within the reception range of a transmitter and make sure that the watch is in the Timekeeping Mode or World Time Mode when it is time for auto signal reception The current auto receive on ON off OFF setting does not appear on the setting screen e The auto receive on off setting is not displayed unless TYO Japan NYC New York CHI Chicago DEN Denver or LAX Los Angeles is selected as the Home City Select the correct Home City code using the procedure under Selecting Your Home City The AUTO 40 and 60 options do not appear for the transmitter selection mode setting The AUTO 40 and 60 transmitter selection mode opti
20. flashing between settings See Signal Reception Settings for information about reset the stopwatch to all Minutes 1 100 second the split time operation calibration signal Home City summer time and auto receive zeros Seconds settings Button tae e While the setting screen the one with a flashing setting is on the Start Stop E ist and 2nd Place Finishers display use the and buttons to move the flashing between Each press starts and 0O p gt gt gt settings stops elapsed time Start 1st finish 2nd finish Displays time Reset measurement Displays time of 2nd finish of 1st finish E To configure time and date settings 5 To restart the seconds 704 630 T While the Power Saving manually 1 In the Timekeeping Mode Timekeeping Mode hold down the button for about two seconds e This will cause the watch to beep and display the transmitter selection mode setting screen Button e Displays the setting screen Changes from the first setting group to the next e Exits the setting screen Button Scrolls back through the options at the flashing selected setting FREQUENCY Frequency Button Moves the flashing between settings Button Scrolls forward through the options at the flashing selected setting advance to the next group 2 Press the button to of settings e This causes the 12 24 hour time
21. keeping setting to flash Example 12H 12 hour timekeeping 3 Use the and buttons so the setting you want to change is flashing on the display Use the button to cycle through the settings shown below Each press of the button causes the next setting to flash 12 24 h timekeeping gt Seconds gt Hour Minute Of e Power Saving is Day lt Month lt Year 4 While the 12 24 hour timekeeping setting is flashing press the button to select the setting you want Pressing the button toggles the timekeeping format between 12 hour 12H indicator and 24 hour 24H indicator count to 00 press the CATENIN B button 7 185 Sac Ng aaa LYE Pressing the button while the seconds count is in the range of 30 to 59 resets it to 00 and also adds 1 to the minutes Pressing the button in the range of 00 to 29 resets the seconds count without changing the minutes While the hour minutes year month or day setting is flashing use the and buttons to change the setting IES a Ty IU CEES TSJ SNZ Holding down either button Forward changes the setting at high speed When setting the hour make sure you specify AM A or PM P correctly or that you specify the correct 24 hour time You can set a date in the range of January 1 2000 to Decem
22. ls at high speed See the World Time City Code List for information about the display sequence of the city Time in World Time City codes e After you set the current time for the Home City in the Timekeeping Mode the World Time Mode calculates the current time in other cities around the world using the GMT differential for each time zone e The seconds count in the World Time Mode is linked with the Timekeeping Mode seconds count Button Scrolls back through city codes Button Scrolls forward through city codes If a World Time Mode time is incorrect check the time setting and time zone setting of the Timekeeping Mode and correct them if necessary e See Selecting Your Home City for information about selecting your Home City Forward olfe hf TTE i058 Y E O 5835 EIS Turning Summer Time Daylight Saving Time On and Off You can turn summer time on or off individually for each World Time city 1 In the World Time Mode use the and buttons to scroll through the city codes until the one you want is displayed e Holding down either button scrolls at high speed 2 While the city code you want is displayed hold down the button for about one second to turn summer time on DST indicator displayed or off DST indicator not DST indicator displayed e The watch beeps whenever you change the summer time setting Button
23. n immediately when you angle the watch towards your face This does not indicate malfunction e Illumination remains turned on for about 1 5 seconds only even if you leave the watch angled towards your face The display may illuminate unintentionally when you wear the watch on the inside of your wrist when you shake your arm or when you raise your arm Be sure to turn off the auto light switch whenever you do not need display illumination e Keep the auto light switch turned off whenever you are wearing the watch on the inside of your wrist e Electro static charge and magnetism can interfere with auto light operation and even make operation impossible If this happens lower your arm to the starting position and then raise it again If you still have trouble with display illumination try lowering your arm down to your side and then raise it to your face for reading Operation Guide 2839 How a Radio controlled Watch Works What is a radio controlled watch Your radio controlled watch is designed to receive a time calibration signal that contains standard time data and adjust its current time setting accordingly Signal is received Transmitter Long wave using built in antenna tw time calibration SSA Signal Watch decodes received data i and converts it to Signal data y time data J Decode Time data Time is adjusted according to time data a
24. newer records Button e Scrolls in the direction of older records E To delete all Time Stamp records Hold In the Recall Mode hold down the button for two or three seconds This deletes all Time Stamp records Note that you cannot delete individual Time Stamp records Button e Hold down to delete all records
25. ngs is used to select either auto receive or manual receive e Transmitter Selection Mode This setting is used to specify which transmitter s signal should be used for time calibration in Japan Auto receive can be selected only when TYO LAX DEN CHI or NYC is currently selected as the Home City e The transmitter selection mode setting can be changed only when TYO is currently selected as the Home City The initial factory default signal reception settings are shown below You do not need to change these settings if you use the watch in Japan Check the signal reception settings whenever you have problems with signal reception or when the time setting produced by signal reception is incorrect Home City TYO Tokyo Auto switching in accordance Summer Time AUTO with signal aa Auto Receive ON On Auto Japan transmitter select Transmitter AUTO 40kHz 60kHz E Selecting Your Home City Note that time calibration signal reception is performed only when one of the city codes shown below is selected as the Home City Select TYO Tokyo as you Home City if you plan to use the watch in Japan Home City Transmitter TYO Either the Mt Otakadoya signal 40kHz or the Mt Hagane signal 60kHz LAX DEN CHI NYC Fort Collins Colorado signal Timekeeping Mode 1 a In the Timekeeping Mode hold down the button for about two seconds e This will cause the wat
26. ocking the signal If reception is unsuccessful try again e This watch is designed to adjust its current time setting in accordance with the calibration signal transmitted in Japan and the United States only Note that you will need to make your own adjustments when using this watch outside of Japan or the United States or in any area that is outside the range of one of the receivable time calibration signal transmitters When the watch is unable to adjust its time signal using the calibration signal for some reason timekeeping accuracy is within 15 seconds per month Strong electrostatic charge can cause timekeeping error e Signal reception is cancelled if an alarm starts to sound while it is being performed e The watch s calendar shows dates up to the year 2099 Attempting a receive operation after that causes an error Troubleshooting The watch cannot receive the time calibration signal e Is the signal being transmitted Though the Japanese calibration signal Call Sign JJY is continually transmitted by the independent Japan Ministry of Posts and Telecommunications Communication Research Laboratory CRL in theory it may sometimes be interrupted for periodic maintenance work or because of lightening or other problems e Are you within the reception range of a transmitter See Reception Range for information about areas where the watch can receive the signal e Is there something in the immediate area that may
27. on with better reception and try again Receiving the Calibration Signal There are two methods you can use to receive the time calibration signal e Auto receive Reception is performed automatically at 2 00 3 00 4 00 and 5 00 each morning e Manual receive You initiate reception using a button operation The watch is set up for auto receive at the factory so all you need to do is to place it in a location that allows good reception each night E To position the watch for optimum reception Remove the watch from your wrist and place it somewhere so its top 12 o clock side where the antenna is located is facing approximately in the direction of the signal transmitter Keep the watch away from metal objects Metal band Orienting the watch so it is sideways to the transmitter makes it more difficult to receive the signal Do not move the watch while it is receiving the calibration signal E Time Required for Reception A calibration signal receive operation takes anywhere from about two to six minutes e Note that when AUTO Auto Select is specified as the transmitter selection mode signal reception can take up to 12 minutes See Signal Reception Settings for more information E To perform manual receive Hold down the button for Receiving Indicator about two seconds e The watch will beep and reception will start The signal receive indicator changes to G while signal reception
28. ons are available only when TYO Tokyo is selected as the Home City code Select the correct Home City code using the procedure under Selecting Your Home City Operation Guide 2839 What time is auto receive performed e Auto receive is performed in the middle of the night when reception conditions are best Before going to bed at night place the watch near a window with its 12 o clock position facing in the general direction of the transmitter How can I perform manual receive Hold down the lower right button for about two seconds The watch will beep to indicate that manual receive has started Place it near a window with its 12 o clock position facing in the general direction of the transmitter How can view the last reception date and time In the Timekeeping Mode press the lower right button This will display the date and time that the time calibration signal was last received successfully To return to the Timekeeping Mode press the button again World Time Mode World Time lets you display the current time in any one of 30 cities 29 time zones around the world When you enter the World Time Mode the screen for the city that was displayed when you last exited the mode appears first City Code Search Timekeeping Mode Time in Home City City Code the and buttons In the World Time Mode use to scroll through city codes e Holding either button scrol
29. psed Time Measurement Start Stop Reset Pressing the button while timing is stopped resets the stopwatch to all zeros Cumulative Time Measurement Pressing the button to restart the stopwatch without resetting it to all zeros causes the elapsed time measurement to resume from where it was last stopped E Split Time Measurement Start Record split Release split Stop Reset Pressing while timing is being performed freezes the current elapsed time on the display but timing of the next split continues internally e Changing to another mode while a split time is displayed cancels Configuring Time and Date Settings Manually Time and Date Settings YO Hold down about two seconds Transmitir Selection Home City Code o Auto Receive a Summer Time Jo 12 24 hour Timekeeping Power Saving OF Month lt Year K Seconds e Hour KA Minute lt lt Day Normally you should never need to configure time and date settings manually if you have auto receive turned on and you are within the range of a time calibration signal If the watch is unable to update its settings automatically for some reason however you can configure hem manually as described below Button e Displays the setting screen Changes from the first setting group to the next e Exits the setting screen Button e Moves the
30. seven days The SLEEP indicator stops flashing and remains on the display Alarms and the hourly time signal are also disabled while the watch is in the function sleep state Time calibration signal reception is not performed while the watch is in the function sleep state e Timekeeping continues internally in the function sleep state e The watch will automatically revert to the Timekeeping Mode if you leave it in the Alarm Mode or Recall Mode without performing any operation for about two or three minutes e Inthe Alarm Mode an alarm number the snooze alarm indicator SNZ or the hourly time signal indicator SIG identifies the currently displayed screen E Time Stamp Time Memo Day of the Week Month Day Holding down the 8 button for about one second 5 in the Timekeeping Mode creates a record Oily Gade Mode Indicator containing the current date month and day and time hour minute second in memory Storage of the record is indicated by the watch beeping The display shows the contents of the record or for about two seconds after which the normal Be ie Timekeeping Mode display reappears me AM Hour Minute See Viewing Time Stamp Time Memo Data Second for information about recalling Time Stamp records Record number flashes for about three seconds Recorded hour and minute l 5 Mode Indicator E Days of the Week SUN Sunday MON Monday TUE Tuesday WED Wednesday THU Thursday FRI Friday SAT Satur
31. ss the button e This displays the date and time when signal reception was last successful and the current time and date were adjusted e To return to the timekeeping screen press the button again e The display will return to the normal timekeeping screen automatically if you do not perform any operation for about one or two minutes Important The calibration signals received by this watch include two data groups an hour minute second group and a year month day group The amp icon is displayed only when both the hour minute second group and year month day group were received It will not remain on the display if only the hour minute second group was received GET 630 404 G not displayed 4 Hour minute second group and year month day group received G displayed Hour minute second group only received G not displayed If only hour minute and second data no date data is received the last reception date shows the date that the receive operation was performed as kept in the Timekeeping Mode Operation Guide 2839 Signal Reception Settings e Home City Specify the city code of your Home City which is the location where you will normally use the watch Summer Time Daylight Saving Time Use this setting to specify whether summer time Daylight Saving Time settings should be made automatically by the watch e Auto Receive This setti
32. the button three times to select the auto receive setting e AUTO will be displayed along with the current auto receive setting Example On 3 Press the button to toggle auto receive on or off e is displayed for the auto receive setting when the current Home City setting is a code other than TYO LAX DEN CHI or NYC Setting 4 When the auto recieve setting is the way you want press the button twice e This will exit the setting screen and return to the Timekeeping Mode screen e The display also will exit the setting screen automatically if you do not perform any operation for about two or three minutes Note that the transmitter selection mode setting can be configured only when TYO Tokyo is selected as the Home City e When using this watch in Japan it is recommended that you use the AUTO transmitter selection mode setting Timekeeping Mode 1 hold down the button for about two seconds In the Timekeeping Mode e This will cause the watch to beep and display the transmitter selection mode setting screen Button e Enters exits the setting mode Button Scrolls through the available settings EEA FREQUENCY Frequency 2 Use the button to scroll through the transmitter selection mode settings until the one you want is displayed Each press of the button cycles through av
33. tomic clock Watch Internally After the watch receives the Standard Time signal it performs internal calculations to determine the current time Because of this there may be an error of up to one second in the displayed time Calibration Signal The Japanese calibration signal Call Sign JJY is maintained by the independent Japan Ministry of Posts and Telecommunications Communication Research Laboratory CRL It is a long wave signal transmitted 24 hours a day from the Mt Otakadoya transmitter 40kHz located in Tamura gun Fukushima Prefecture and from the Mt Hagane transmitter 60kHz located on the border between Saga Prefecture and Fukuoka Prefecture The U S calibration signal Call Sign WWVB is transmitted by the National Institute of Standards and technology from Fort Collins Colorado Note that transmission of the standard wave may be interrupted occasionally due to maintenance lightening etc Reception Range This watch is designed to receive the standard time calibration signal of Japan JJY or of the United States WWVB The signal that is received depends on the current Home City setting e For information about city codes see the Selecting Your Home City Home City Transmitter TYO Either the Mt Otakadoya signal 40kHz or the Mt Hagane signal 60kHz LAX DEN CHI NYC Fort Collins Colorado signal Transmitter Location 1000km
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