Casio MA0410-EA User's Manual
Contents
1. 2 Hold down the button for about two seconds until the second hand stops at the 12 o clock position and 00 flashes on the digital display 3 If the second hand does not align with the 12 o clock position by itself use the button to adjust it Each press of the button advances the second hand by one second Holding down the button advances the second hand at high speed Forward Press the button to move the flashing between the hour and minute settings Use the and buttons to adjust the hour and minute hand positions Each press of the button moves the hands 20 seconds clockwise while the button moves them 20 seconds counterclockwise Holding down either button moves the hand at high speed Note that the 24 hour hand moves in accordance with movement of the hour and minute hands One full rotation of the 24 hand is 24 hours When setting the hour and minute hands make sure that you also keep an eye on the 24 hour hand to make sure that you set the analog time so it correctly matches the am pm time on the digital display Forward 24 hour hand Operation Guide 3731 High speed Hand Movement While holding down the button to start high speed clockwise movement of the hands press the button to lock the high speed movement e While holding down the button to start high speed countercl2. Performing a lap split operation automatically stores lap split times in memory up to 50 records A simple operation lets you recall lap split time records when you need them Entering the Stopwatch Mode causes the hands used for stopwatch timing to move automatically to the 12 o clock position e If a stopwatch timing operation is in progress when you enter the Stopwatch Mode the hands will move to the current elapsed time Stopwatch Mode Timekeeping Mode Lap Times A lap time is the time that elapses during a specific portion of the race such as a lap around a track Example Measuring the lap time for one lap of a track event car race etc Lap 1 Lap 2 Start Stop Lap 3 Split Times A split time is the time elapsed from the start up to any point along the course of the race Example Measuring splits every 10 kilometers How Hands Operate in the Stopwatch Mode In the Stopwatch Mode elapsed time is indicated both by the digital display and by the hands of the watch Resetting the stopwatch to zero causes the hands to return to the 12 o clock position In the Stopwatch Mode the second hand indicates elapsed seconds while the battery level indicator dial indicates elapsed minutes e When you start an elapsed time operation in the Stopwatch Mode and when you exit or enter the Stopwatch Mode while an elapsed ime operation is in progress the stopwatch 1 20 secon
3. selected as the Home Time Zone Recommended Action e Use the procedure under Configuring Home Time Zone Settings to select 9 0 as the time zone e Check the auto signal reception setting whenever you have problems with signal reception or when the time setting produced by signal reception is incorrect e The initial factory default configuration of the reception settings are shown below You do not need to change these settings if you use the watch in Japan fi Auto Japan transmitter select Auto Recelve 40kHz 60kHz Time Zone q HH Tokyo Japan H Auto switching in accordance Summer Time with signal data Operation Guide 3731 Using the Alarms and the Hourly Time Signal Using the Alarms You can set up to five independent daily alarms An alarm sounds or 10 seconds when an alarm time is reached E To view the alarm time or target alarm time In the Alarm Mode press the button to cycle through the alarm screens in the sequence shown below e The alarm number appears first followed by the current alarm time setting Alarm Time Alarm 1 Alarm 2 Alarm 3 AL1 gt AL2 gt AL3 Hourly Time Snooze Alarm Target Alarm Signal 00 ALS AL4 Types of Alarms Daily Alarms AL 1 AL 2 AL 3 The watch beeps for 10 seconds when the alarm time is reached e Target Alarm AL 4 With a target alarm the time remaini
4. 8 0 9 0 5 0 6 0 7 0 8 0 or 10 0 will simply toggle the summer time setting between DS OFF and DS On 5 Use the button to cycle through the time and date settings shown below Each press of the button causes the applicable setting to flash Time Zone gt Summer Time 12 24 hour Of to Power Saving f o Month Seconds Day Year Minute Hour lt Year lt lt 6 Use the and buttons to change the currently selected setting 7 While the 12 24 hour setting is selected press the button to toggle the timekeeping format between 12 hour 12H indicator and 24 hour 24H indicator 12 24 Timekeeping Indicator 8 While the seconds are selected press the button to reset them to 00 in accordance with the time signal on the radio TV etc e 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 Resets to 00 9 while the hour minutes Hour Minutes year month or day setting is flashing use the button and button to change the setting e Holding down either button scrolls the setting at high speed e When setting the
5. Button Receive Indicator Mode Switching Light Second Hand 24 hour Dial Changing Display Screen Contents Each press of the button cycles display contents in the sequence shown below Month Day of the Week Day Receive Indicator TIME DIFFERENCE Indicator Alarm Time 8 3 Time in Current Time Zone l Hour Minutes Operation Guide 3731 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 for long periods 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 Battery Level Indicator Normal operation Ponca enabled mit rs Normal operation mea enabled mt Bra Digital display illumination alarms tones alarms hourly time signal signal reception digital analog synchronization disabled Level 3 All functions including Level 4 timekeeping disabled e Inthe Stopwatch Mode the
6. battery level indicator dial functions as the elapsed time minute hand e Exposing the watch to direct sunlight or other strong light may cause the battery level indicator to indicate a level momentarily 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 Signal reception resumes when the battery is recharged to Level 2 e Even after the battery drops to Level 4 you will be able to resume normal operation by charging the battery After the digital display appears configure time and date settings 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 Level 3 is indicated E Flashing Recover Indicator If you use the light or alarm a number of times during a short period a recover R indicator flashes on the display and the following operations become disabled as battery power recovers e Display illumination e Alarm and hourly time signal e Time calibration signal reception e Analog digital synchronization Recover Indicator Normal operation will return after the battery recovers 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 lig
7. face is illuminated illumination will turn off eg Atleast et 40 g degrees Auto Light Precautions e Frequent use of the auto light can run down the battery e The auto light switch may cause the face to illuminate when your sleeve covers the face of the watch e The face may not illuminate immediately when you angle the watch towards your face This does not indicate malfunction The face remains illuminated for the currently set duration 1 5 or 2 seconds only even if you leave the watch angled towards your face The face 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 face 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 illumination try lowering your arm down to your side and then raise it to your face for reading E To specify the illumination duration 1 In the Timekeeping Mode hold down the button for about two seconds e This will cause the currently selected time zone to flash on the display and the second hand to move to 12 o clock
8. of your watch operating like a radio or TV when it is receiving the calibration signal Among or near buildings FEB E gt Inside a vehicle Next to a household automobile train plane etc appliance or office equipment TV speaker fax computer cell phone etc FA Se 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 location 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 midnight 1 00 2 00 3 00 and 4 00 each morning e Manual receive You initiate reception using button operation e If reception is not successful for any of the normal auto receive operations shown above auto receive is performed one more time at 5 00 a m e 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 Resin band Metal band Orienting
9. settings If you are planning to manually change both the digital and analog settings be sure to adjust the digital setting first 1 In the Timekeeping Mode hold down the button for about two seconds until the Home Time Zone setting starts to flash on the display Ret T7 IN Zz Ite T ALS Arrr e This is the setting screen The second hand moves to 12 o clock at this time Home Time Zone Eastward 2 Use the Westward and Eastward buttons to scroll through the time zones until the one whose time you want to set is displayed See the Time Zone List for more information about time zones e Holding down either button scrolls the setting at high speed Westward 9 0 Tokyo summer time setting is 3 Press the button so the displayed 4 Press the button to cycle through the summer time settings until the one you want is displayed DSA This setting enables the auto summer time setting which turns summer time on or off in accordance with the received time calibration signal DS OFF This setting turns off summer time and displays the current time normally DSOn This setting turns on summer time e Selecting this setting displays the DST indicator and advances the current time setting by one hour Note that pressing the button in the above step while any time zone other than
10. the Timekeeping Mode Important If a Dual Time Mode time is incorrect check the time setting and time zone setting of the Timekeeping Mode and correct them if necessary For information about selecting a Time Zone and setting the time see Configuring Home Time Zone Settings E To search for a time zone In the Dual Time Mode press the button to scroll through time zones e If you stop at a time zone the current time will appear in place of the time differential after a few moments e Holding down the button scrolls through time zones at high speed e The colon between the hour and minute digits flash in the Dual Time Mode Pressing the button in the Dual Time Mode displays the time differential of the currently selected time zone for about one second Forward Time in selected time zone Time Zone Using Summer Time DST Summer time or Daylight Saving Time DST as 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 E To turn summer time on and off 1 In the Dual Time Mode use the button to display the time zone whose summer time setting you want to change DST Indicator 2 Hold down the button gt for about two seconds to toggle summer time on or off The DST indicator DST DAN Cy i 0I Time Zone
11. 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 seven minutes Note that when A Auto Select is specified as the transmitter selection mode signal reception can take up to 14 minutes See Configuring Auto Receive Settings for more information E To perform manual receive In the Timekeeping Mode hold down the button for about two seconds inn e The watch will beep and reception will start The receive 42 indicator will appear on the display to indicate reception conditions E To interrupt reception Press the button e All other buttons besides 6 are disabled during signal reception When reception is successful The watch will terminate reception and adjust the current time Next it will beep and then display the date and time that the adjustment was performed e The receive indicator Az will remain on the display to indicate that reception was successful e The second hand will move to the correct position in accordance with the digital time and resume normal movement from there Reception Error The will display without adjusting the time setting when signal reception is unsuccessful for some reason e The watch will return to the Ti
12. List Cities Cities Wellington Christchurch Noumea Port Vila Paris Rome Madrid Frankfurt Sydney Guam London Dublin Adelaide Greenwich Mean Time Tokyo Seoul Pyongyang i Azores Hong Kong Singapore Rio de Janeiro Sao Paulo Buenos Aries Kuala Lumpur Beijing Taipei Manila Bangkok Jakarta Caracas San Diego Hanoi A New York Montreal Yangon Miami Boston Dakar j Chicago Houston Delhi Mexico City Karachi Denver El Paso appears on the display and timekeeping in the selected time zone is advanced by one hour when summer time is turned on e You can turn summer time on or off independently for each Dual Time Mode time zone Note however that you cannot turn on summer time for the G0 0 Greenwich Mean Time time zone Kabul Edmonton Dubai Qatar Los Angeles Teheran San Francisco Jeddah Kuwait Moscow Las Vegas Athens Cairo Anchorage Nome El Salaam Helsinki Honolulu Papeete Beirut Pago Pago e The contents of the above table are current as of June 2004 e Time zones in the above table are in accordance with Universal Time Coordinated UTC Operation Guide 3731 Configuring Home Time Zone Settings You can use the following procedure to set the current time and date of the Timekeeping Mode Home Time Zone e Always use the Timekeeping Mode to set and adjust current time and date
13. Time Zone 2 Press the button three times to display the flashing seconds count Seconds Operation Guide 3731 3 Press the button to toggle the illumination duration between about 2 seconds indicator and 1 5 seconds no indicator AV HMI PULL al ne indicator Appears only on the setting screen 4 After the setting is the way you want press the button to exit the setting screen The second hand will move to the current time as kept internally and resume normal movement from there e The watch will also exit the setting screen automatically if you do not perform any operation for about two or three minutes 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 Long wave Signal is received Transmitter time using built in antenna calibration SYA signal pa Watch decodes received data Signal data l and converts it 4 time data Time data lt Time is adjusted according to atomic clock Watch Internally time data 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 d
14. ae Operation Guide 3731 Power Saving The Power Saving feature of the watch is turned on at the factory e Power Saving causes the watch to turn off the display automatically and enter a sleep state to save power whenever the watch is left in the dark 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 mode 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 angle the watch towards your face to illuminate the display using in the dark for three or four days the Auto Light To illuminate the face with the auto light switch e The display goes blank in the display sleep state e It can take up to two seconds before the display re appears after Alarms and the hourly time signal continue to operate normally you place the watch in a well lit area while the watch is in the display sleep state Even when the watch is in the sleep state digital analog time synchronization and auto signal receive are both performed E To turn power saving on and off See the procedure under To configure Home Time Zone settings Function sleep state for information about turning off power saving The function sleep state is triggered whenever the watch is left in the dark for four days i 5 i Alarms and the hourly time signal are also d
15. d hand rotates for one minute After that it stops at the 12 o clock position Stopping the elapsed time operation causes the hand to move to he current 1 20 second position Stopwatch m Digital display 1 20 second minutes Hand seconds 1 100 second Selecting Lap or Split Time Display Before starting an elapsed time operation in the Stopwatch Mode you should select display of either lap times or split times While the Stopwatch Mode screen shows all zeros press the button to toggle between the lap time LAP indicator appears and split time SPL indicator appears displays e Regardless of whether you select display of lap times or split times both are stored in lap split time memory during the elapsed time operation Lap Time Display Split Time Display Cumulative Time Measurement 1 Stopwatch Stopwatch Minute Hand Second Hand Split 4 Start Stop Split 2 Split 3 To perform stopwatch operations E Elapsed Time Measurement Viewing Lap Split Time Memory Start Lap Split Time Recording Stop gt C gt A Contents Na Use the following procedure to recall lap split time memory Press the button _ Press the button i gt Press the button y Start Stop Reset contents e This starts the elapsed time operation Starting a new elapsed time operation from zero deletes all lap and split time data currently in lap split time memory e T
16. eption time at two second intervals To return to the Timekeeping Mode press the button again e The watch will return to the Timekeeping Mode automatically if you do not perform any operation for about one or two minutes interval Last reception date Last reception time Configuring Auto Receive Settings Use the procedure below to turn auto receive of the time calibration signal on or off When 9 0 Tokyo is selected as the time zone you can also specify the transmitter selection mode which controls which Japanese transmitter signal should be used for time calibration For information about selecting a time zone see Configuring Home Time Zone Settings e The initial factory default settings for auto receive are Home Time Zone 9 Tokyo Auto Receive A On e The following procedure can be performed only when 9 0 is selected as the Home Time Zone E To configure auto receive settings 1 a Inthe Timekeeping Mode press the button e This causes the display to start alternating between the last reception date and last reception time e The watch will return to the Timekeeping Mode automatically if you do not perform any operation for about one or two minutes 2 Hold down the button for about two seconds e This will cause the current auto receive setting to flash on the display 3 Use the and buttons to cycle through the available auto receive se
17. g Home Time Zone Settings to select 9 0 Tokyo as the time zone Though I have auto receive turned on 42 does not appear on the display o Possible Causes 2 is displayed after a time calibration is successfully received and the time setting is adjusted e X is not displayed if no signal reception operations are successful for one day Z is cleared from the display at 3 00 a m each day e Auto reception is not performed if the watch is not in the Timekeeping Mode or Dual Time Mode amp is cleared from the display if you perform a manual receive operation Recommended Action e Make sure the watch is within the reception range of a time calibration signal transmitter e During the auto receive times keep the watch in a location where reception is good During the auto receive times make sure the watch is in the Timekeeping Mode or Dual Time Mode Time calibration signal reception is successful but the time setting is not correct Possible Causes e Ifthe time is one hour off summer time DST is turned on e If there time is off by more than one hour you may have the wrong time zone selected Recommended Action e Use the procedure under Configuring Home Time Zone Settings to turn off summer time or to select the correct time zone Is the correct time zone selected The auto receive settings can t be configured Possible Causes e Auto receive settings cannot be configured unless 9 0 Tokyo is
18. ght ensures stable operation Charge Times Required to Advance to a Higher Level Exposure Level Approximate Exposure Time Brightness Level 4 gt Level 3 gt Level 2 Level 1 Outdoor Sunlight 50 000 lux 14 hours Sunlight Through a Window 10 000 lux 71 hours Daylight Through a Window on an Overcast Day 5 000 lux Indoor Fluorescent Lighting 500 lux e Note that the above charging times are for reference only Actual charging time depends on a variety of environmental factors Face Illumination An LED light is used to illuminate the face of the watch for easy reading in the dark An auto light switch automatically illuminates the face when you angle the watch towards your eyes for reading E To illuminate the face manually Press the button in any mode as long as a setting screen is not displayed to illuminate the face of the watch e Pressing the button illuminates the face regardless of whether the auto light switch is on or off You can use the procedure under To specify the illumination duration to configure the illumination duration as approximately 1 5 seconds or 2 seconds 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 E To i
19. his freezes the current time on the digital display for five seconds and stores it in lap split time memory Elapsed time measurement continues internally at this time Though the digital time freezes the stopwatch hands continue to move e This stops the elapsed time operation Pressing the button while timing is stopped resets the stopwatch Resetting the stopwatch stores the final elapsed time that is on the display to lap split time memory Lap Time Display Lap Time Lap Number Split Time Pressing the button to restart the stopwatch without resetting it to all zeros resumes elapsed time measurement from where it was last stopped E Recording Lap Split Times p 0 o gt A gt P A Start Lap Split Lap Split Stop Reset Recording the Times of 1st and 2nd Place Finishers Split Time Display gt o gt gt A Start 1st finisher 2nd finisher Reset Displays time Displays time of 1st finisher of 2nd finisher Lap Split Time Memory You can store up to 50 lap split times in memory Performing a lap split time operation when there are already 50 records in memory automatically deletes the oldest record to make room for the new times Use the button to enter the Recall Mode Lap Number e This displays the last newest lap split time that you recorded Use the button to scroll through lap split time record numbers Each p
20. hour make sure you specify AM no indicator or PM P correctly when using 12 hour timekeeping or that you specify the correct 24 hour time You can set a year in the range of 00 2000 to 99 2099 The day of the week is set automatically in accordance with the date you set e The watch automatically makes adjustments for leap years and month lengths 10 While the Power Saving setting is selected press the button to toggle it ON and OFF on Power Saving On OFF Power Saving Off button 11 When the setting is the way you want press the 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 Digital Analog Synchronization The watch automatically adjusts its analog setting to match the current digital time setting e When adjusting the analog time the hands may move clockwise or counterclockwise Depending on how many hours different the digital and analog time settings are it may take some time for the analog hand setting procedure to be finished e After adjustment of the hour and minute hand the second hand will adjust automatically to the digital time Adjusting the Analog Hand Positions You can use the Hand Setting Mode to manually adjust the analog hand positions then they do not match the digital time 1 Use the button to enter the Hand Setting Mode
21. ht source or other sources of heat e Ina location exposed to direct sunlight for long periods or a location that is very hot 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 face 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 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 Approximate Exposure Time E Charging Guide Starting from a full charge the watch should be able to continue operating for about five months without further charging under the conditions described below Exposure Level Brightness Daily Use All time values are approximate Outdoor Sunlight 50 000 lux 5 minutes e Illumination 1 5 seconds Alarm 10 seconds e Signal reception 5 times 10 000 lux Daylight Through a Window on an Overcast Day 5 000 lux Indoor Fluorescent Lighting 500 lux Making sure the watch is regularly exposed to li
22. imes are displayed in the same format 12 hour or 24 hour that you selected in the Timekeeping Mode Minute 4 Press the button so the minute setting flashes 5 Use the and buttons to change the minute setting Holding down either button scrolls the setting at high speed Forward 6 When the setting is the way you want press the button e This exits the setting screen e An alarm is turned on automatically whenever you change its settings 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 on or off 1 In the Alarm Mode use the button to display the screen for the alarm AL 1 through AL 5 you want to turn on or off 2 Press the button to toggle the displayed alarm on or off Turning on an alarm also causes its on indicator to appear The snooze alarm screen also has a snooze indicator SNZ Snooze Alarm Screen Snooze Indicator Alarm 1 Screen Shows on when the alarm is on Shows oF when the alarm is off e Note that the on and oF indicators appear in the Alarm Mode only The snooze indicator SNZ remains on the display in all modes E To stop the alarm beeper Press any button while the beeper is sounding to stop it e Inthe case of the snooze alarm the alarm will so
23. isabled while the Leaving the watch in a drawer or anywhere else it is dark can watch is in the function sleep state cause the power saving mode to trigger in order to conserve e Inthe function sleep state analog timekeeping is disabled so battery power digital analog time synchronization is not performed e Digital timekeeping functions continue to operate normally in the function sleep state Modes an d D l splay Sc ree n S The analog hands are not shown in the face illustrations shown in this User s Guide Each press of the button sounds a confirmation tone and cycles through available modes in the sequence shown below StopwatchMode RecallMode e The watch will automatically revert to the Timekeeping Mode if you leave the Alarm except for the target alarm remaining time Stopwatch Mode Recall Mode screen Recall or Hand Setting screen displayed without performing any operation for about two or three minutes Timekeeping Mode Hands move to 12 o clock Moves to current level Hour Hand 1 20 Second Stopwatch Time Days of the Week Screen Switching SUN Sunday MON Monday TUE Tuesday Button j 3 Button WED Wednesday THU Thursday FRI Friday 7 AR SAT Saturday Battery Level J Peli E Minute For details about the battery level indicator see Battery Indicator Level Indicator For details about the receive indicator see Button
24. isplayed time Calibration Signal e The Japanese calibration signal Call Sign JJY is maintained by the National Institute of Information and Communications Technology NICT 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 Note that transmission of the time calibration signal may be interrupted occasionally due to maintenance lightning etc Reception Range This watch can be configured to select the strongest Japanese signal 40kHz Mt Otakadoya signal or 60kHz Mt Hagane signal and use that one for calibration is stronger Japan Transmitter Locations Mt Otakadoya 40kHz Mt Hagane 60kHz e 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 Geographic contours nearby buildings seasonal conditions 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
25. lluminate the face with the auto light switch The auto light switch automatically illuminates the face whenever you angle the watch towards your eyes for reading but only when it is dark e The auto light switch does not illuminate the face when surrounding light is bright You can use the procedure under To specify the illumination duration to configure the illumination duration as approximately 1 5 seconds or 2 seconds E To turn the auto light switch on and off While any screen besides a flashing setting screen is on the display 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 Auto Light Switch On Indicator E Positioning Your Arm Correctly With the watch on your wrist position it level with the ground Rotate your arm so the watch is angled at about 40 degrees so you can read its face N N 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 y with the ground The auto light switch may not operate properly if the angle is greater Important e The light may be difficult to see if you turn it on under bright sunlight e If you press any button or if an alarm operation starts while the
26. mekeeping Mode screen automatically if you do not perform any operation for about one or two minutes Receive Indicator E Receive Indicator The receive indicator cycles from Unstable through Stable as shown below while reception is in CIT TUU progress How far it cycles depends Jamar Toren y on the signal strength Keep the AP LIS 2 watch in a location where reception Arr is stable while reception is in progress Unstable Stable e Even under optimum reception conditions it can take about 10 seconds for reception to stabilize e Use the receive indicator to check reception status and to determine the best location for signal reception Note that weather the time of day surroundings and other factors can all affect reception E Analog Hand Operation during Signal Reception Second Hand Moves to 12 o clock and stops when signal reception starts Normal second hand movement resumes after reception is complete If a button is pressed to terminate reception the second hand moves to the second count of the digital time and resumes normal movement Minute and Hour Hands These hands operate normally The second hand does not move d g signal reception Operation Guide 3731 E To view the last reception date and time In the Timekeeping Mode press the button e This causes the display to start alternating between the last reception date and the last rec
27. ng until the alarm time counts down on the display The watch beeps for 10 seconds when the alarm time is reached Snooze Alarm AL 5 With the snooze alarm the watch beeps for 10 seconds when the alarm time is reached and up to seven times at five minute intervals thereafter Pressing any button stops the beeper but the alarm will sound again after five minutes About the Target Alarm Time Screen When you turn on the target alarm AL 4 the display shows the alarm time momentarily and changes to show how much time remains until the target alarm time Alarm Time Alarm Number Remaining Time E To set an alarm time 1 a In the Alarm Mode use the button to scroll through the alarm screens AL1 to AL5 until the one you want is displayed 2 Hold down the button Mour for about two seconds until the hour digits of the alarm time start to flash e This is the setting screen At this time the displayed alarm turns on automatically If you have the snooze alarm displayed AL 5 the snooze indicator SNZ also appears at this time Use the and Back buttons to change the hour setting Holding down either button scrolls the setting at high speed 5 e When setting the hour make Forward sure you specify AM no indicator or PM P correctly when using 12 hour timekeeping or that you specify the correct 24 hour time Alarm mode t
28. ockwise movement of the hands press the button to lock the high speed movement e High speed movement will continue until it completes a 12 hour cycle or until you press any button to stop it 6 Press the button to select the stopwatch 1 20 second hand for adjustment T If the 1 20 second hand is not aligned with the 12 o clock position use the button to adjust it Each press of the button advances the 1 20 second hand by one step Holding down the button advances the hand at high speed Press the button to advance to setting of the stopwatch minute hand for adjustment V17 RNS US TW Stopwatch 1 20 Second Hand Forward 9 If the stopwatch minute hand is not aligned with the 12 o clock position use the button to adjust it Each press of the button advances the stopwatch minute hand by one step Holding down the button advances the hand at high speed Stopwatch Minute Hand When all the settings are the way you want press the button This exits the setting screen and automatically synchronizes the minute hand with the current seconds count At this time the second hand will adjust automatically to the digital time The display also will exit the setting screen automatically if you do not perform any operation for about two or three minutes
29. 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 seasonal conditions 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 blocking he 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 only It operates like a standard non radio controlled watch outside of the range of the receivable time calibration signal transmitters e 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 the 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 l can t perform manual calibration signal reception Possible Causes e The watch is not in the Timekeeping Mode 9 0 Tokyo is not selected as the time zone Recommended Action e Enter the Timekeeping Mode before performing manual reception Select the correct time zone Use the procedure under Configurin
30. ress of the button advances to the next older record Holding down the button scrolls through records at high speed e When you stop at a record its lap time or split time will appear in place of the record number after a few moments Example When there are 10 lap split time records in memory LAP 10 Newest record gt LAP 9 mae LAP 1 ns 3 While any record is displayed you can press the button to toggle between the lap time and split time displays Lap Time Split Time Clearing Lap Split Time Memory Records e Starting a new elapsed time operation from zero deletes all lap and split time data currently in lap split time memory e You can also manually clear lap split time memory by holding down the and buttons at the same time for about two seconds e LAP appears on the screen after lap split time memory is cleared e Note that you cannot delete individual lap split time memory records Operation Guide 3731 Dual Time Mode The Dual Time Mode provides you with easy access to the current time in any one of 29 times zones around the globe When you enter the Dual Time Mode the screen for the time zone that was displayed when you last exited the mode appears first The seconds count in the Dual Time Mode is linked with the Timekeeping Mode seconds count Dual Time mode times are displayed in the same format 12 hour or 24 hour that you selected in
31. ttings 4 When the setting is the way you want press the gt button e This will exit the setting screen and return to the last reception date and time screens To return to the Timekeeping Mode press the button again e The watch will return to the Timekeeping Mode automatically if you do not perform any operation for about two or three minutes Auto Receive Settings when the Home Time Zone is 9 0 A AUTO Auto receive turned on with automatic selection of either the Mt Otakadoya signal 40kHz or the Mt Hagane signal 60kHz whichever is strongest J40 Auto receive turned on for the Mt Otakadoya signal 40kHz J60 Auto receive turned on for the Mt Hagane signal 60kHz OFF Auto receive turned off Calibration Signal Reception Precautions e Auto receive can be performed while the watch is in the Timekeeping Mode or Dual Time Mode only When a time calibration signal is received the watch corrects its digital time setting first and then adjusts the analog time setting accordingly In order to ensure that the analog time matches the digital time make sure you adjust the analog time to match the digital time before performing signal reception The analog second hand does not move during signal reception and so timekeeping may be off e Pressing any button while auto reception is in progress will cause the watch to beep and then exit the
32. und again in about five minutes The snooze indicator flashes during the periods between alarms The snooze alarm will be canceled automatically when any of the following occurs while the SNZ indicator 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 Using the Hourly Time Signal The hourly time signal causes the watch to beep every hour on the hour E To turn the hourly time signal on and off 1 In the Alarm Mode use the button to display the screen for the hourly time signal 00 2 Press the button to toggle the hourly time signal on or off Turning on the hourly time signal causes its on indicator to appear Hourly Time Signal Screen Shows on when the hourly time signal is on Shows oF when the hourly time signal is off e Note that the on and oF indicators appear in the Alarm Mode only Operation Guide 3731 Using the Stopwatch The stopwatch measures elapsed time in units of 1 100 second up to 59 minutes 59 99 seconds 60 minutes When the maximum limit is reached the elapsed time automatically returns to zero and timing continues from there
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