Casio 5251 Watch User Manual
Contents
1. ew e The 2 Second Hand will move to the tens digit setting of the current year 7 Rotate the crown to move the 2 Second Hand to the year tens digit setting you want f b hina SN J Q wo JE o Year tens Digit E 27 2 i 8 After the tens digit setting is the way you want press 1 I A Nex The 2 Second Hand will move to the ones digit of the N current year setting 7 year ones digit setting you want q Note e If you want to continue on to the time setting press oy 7 Me es AA and then perform the procedure starting from step 2 eL under To set the time manually page E 24 6 Year ones Digit A a ie 9 Rotate the crown to move the 2 Second Hand to the oa Bea NS S 10 At the top of a minute based on the time signal on the radio TV etc push the crown back in to restart timekeeping e The 2 Second Hand will restart timekeeping from 0 seconds 12 o clock Note e The watch automatically makes adjustments in the day setting to account for different length months and leap year Adjusting the Home Positions Strong magnetism or impact can cause the hands and or day of the watch to be off even if the watch is able to perform the calibration signal receive operation The watch automatically detects and adjusts the position of the 2 Second Hand as required Note however that the watch does not automatically2. How Power Saving works The watch will enter the sleep state if it is left in a dark location for about one week e In the sleep state All hands stop at 12 o clock Auto Receive is disabled Internal timekeeping continues to operate normally e The watch will not enter a sleep state between 6 00 AM and 9 59 PM If the watch is already in a sleep state when 6 00 AM arrives however it will remain in the sleep state To recover from the sleep state Move the watch to a well lit area press the button or pull out the crown to the first click e It can take up to eight minutes for the watch to resume normal operation after recovering from the sleep state Do not perform any button operations during that time CASIO Operation Guide 5251 OC B Radio Controlled Atomic Timekeeping This watch receives a time calibration signal and updates its time setting accordingly However when using the watch outside of areas covered by time calibration signals you will have to adjust the settings manually as required See Configuring Time and Date Settings Manually page E 24 for more information This section explains how the watch updates its time settings when the city name selected as the current location is in Japan or China and is one that supports time calibration signal reception If your location setting is this The watch can receive the signal from the transmitter located here CN HKG HONG KONG Shangqi
3. the battery charge level drops to Level 4 page E 11 Continue exposing the watch to light until the 2 Second Hand starts moving normally at one second intervals Time Calibration Signal The information in this section applies only when CN HKG HONG KONG or JP TYO TOKYO is selected as the current location E 32 E 33 E The 2 Second Hand indicates N NO when I check the result of the latest receive operation E Signal reception is being performed successfully but the time is wrong Possible Cause Remedy Page Possible Cause Remedy Page e You are wearing or moving the watch or Your location setting is wrong Check your location setting and correct it if E 22 performing a button operation during the signal Keep the watch in an area where reception receive operation conditions are good while the signal receive E 18 e The watch is in an area with poor reception operation is being performed conditions You are in an area where signal reception is not possible for some reason See Approximate Reception Ranges E 17 e Check the website of the organization that maintains the time calibration signal in your area for information about its down times Try again later The calibration signal is not being transmitted for some reason E The current time setting changes after set it manually You may have the watch configured for Auto Receive of the time calibration signal pag
4. MA1112 EA Operation Guide 5251 OC CASIO Congratulations upon your selection of this CASIO watch e Note that the product illustrations in this manual are intended for reference only and so the actual product may appear somewhat different than depicted by an illustration 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 E 1 WH About this manual About the face Operations are performed using the watch s crown and the button 2 3 The following explains the meanings of the markings on the watch s face E 1 Y YES N NO Time calibration signal i i pam gnal reception result Hand Functions Y YES Successful 1 Hour Hand tai N NO Unsuccessful 2 Second Hand e See To check the result of the latest receive operation page E 21 3 Minute Hand 2 RC Receive in progress 4 Day Indicator e See To perform manual receive page E 20 This User s Guide uses numbers shown above to identify watch hands and n 3 A AM P PM AM and PM indications when setting the time indicators LE e See To set the time manually page E 24 4 CN HKG HONG KONG OFF JP TYO TOKYO 4 Signal reception location See Radio Controlled Atomic Timekeeping page E 16 Important e The button is design
5. Rotate the crown to adjust the positions of the hands e A high speed forward movement feature 12 hours maximum and a high speed backward movement feature one hour maximum are available when adjusting the positions of the hands See Crown Operations page E 4 10 Push the crown back in e This exits home position adjustment and returns to regular timekeeping Note that it can take up to about 10 minutes before the watch returns to regular timekeeping Note e You can stop hand adjustment at any time by pushing the crown back in This will return to regular timekeeping with the hands at positions reflecting any changes you made up to that point E 31 CASIO Operation Guide 5251 OC Troubleshooting Hand Movement and Position E The 2 Second Hand is moving in the pattern 1 second gt gt 1 second gt 2 seconds The battery charge is starting to go low Expose the watch to light to charge it See Charging the Watch page E 10 E The 2 Second Hand is moving at two second intervals E All of the watch s hands are stopped at 12 o clock and the button and crown do not do anything The battery charge may be low Expose the watch to light until the 2 Second Hand starts moving normally at one second intervals page E 11 E The hands of the watch suddenly start moving at high speed even when do not perform any operation This could be due to any one of the followi
6. changes to 1 home Battery is low z A position 2 Second Hand stopped Movement indicates the 4 1 Hour Hand and 3 Minute Hand Battery is very low current charge level stopped at 12 o clock e When power drops to Level 4 all functions will be disabled but the watch will continue to keep time internally for about one week If you recharge the battery sufficiently during this period the analog hands will move automatically to the correct setting and regular timekeeping will resume After one week all settings including timekeeping will be cleared Recharging the battery will reset all settings to their initial factory defaults Charging Guide The charging guide causes the 2 Second Hand to perform movement that gives you a rough idea of whether the watch needs to be exposed to light in order to charge the battery E 12 To use the charging guide 1 Pull the crown out to the first click The 2 Second Hand will move to the currently selected location setting Next push the crown back in e For about one second the 2 Second Hand will perform movement that indicates whether the watch s battery requires charging Battery is charged Charge is low Consider leaving the watch in light for charging Charge is very low CRY Leave the watch in bright n light for long time until charged Charge is low Leave the watch in light for charging e The current c
7. correct the positions of the 1 Hour Hand 3 Minute Hand or 4 Day Indicator You need to correct the positions of these manually Adjusting Home Positions Manually Important e You do not need to perform the procedure in this section if the watch is indicating the hour minute and day normally 1 Pull the crown out to the first click 2 Hold down for at least five seconds until the 2 Second Hand moves to 12 o clock The 3 Minute Hand and 2 Second Hand should move to their correct home positions 12 o clock when you release If they do advance to step 5 3 What you should do next depends on how much the hand positions are off as described below Off within 15 minutes 00 seconds Perform steps 4 5 and 6 of this procedure e Off by more than 15 minutes 00 seconds Perform steps 7 8 9 and 10 of this procedure E 28 E 29 Hands off within 15 minutes 00 seconds Hands off by more than 15 minutes 00 seconds 4 Rotate the crown to move the 2 Second Hand and 3 Minute Hand to their correct home positions In this case check the position of the 4 Day Indicator first 12 o clock 7 Press and check the 4 Day Indicator e A high speed movement fea
8. de page E 13 Configuring Time and Date Settings Manually You should configure time and date settings manually when you are in an area where time calibration signal reception is not possible for some reason Important e It is recommended that you allow the watch to make time and date adjustments automatically when in an area where the time calibration signal is receivable To set the time manually 1 Pull out the crown to the second click e The 2 Second Hand will move to A AM or P PM in accordance with the current time e Use to cycle through the available settings in the sequence shown below Hour and minutes gt AM PM A y Year ones digit lt Year tens digit lt Month E 24 2 While the hour and minutes setting is selected rotate the crown to change the current time setting Note e A high speed movement feature one hour maximum is available when setting the time See Crown Operations page E 4 3 After the time setting is the way you want press change to the AM PM setting e The 2 Second Hand will move to A AM or P PM 4 Rotate the crown to move the 2 Second Hand to the AM PM setting you want e If you want to continue on to the date setting press and then perform the procedure starting from step 3 under To set the date manually page E 26 5 At the top of a minu
9. disabled If this happens press the crown back in and then pull it out again to configure settings e High speed movement can be used when setting the current time page E 24 and when performing home position adjustment page E 29 E 5 Things to check before using the watch 1 Observe the movement of the 2 Second Hand r gt Is the 2 Second Hand moving smoothly at one second intervals jno yrs The watch is charged For details about charging see Charging the Watch page E 10 2 Second Hand moving in the following pattern p gt 1 second gt 1 second gt 2 seconds NEXT Go to step 2 NO YES Is the 2 Second Hand moving at two second intervals or is it stopped completely wes y Battery is low Battery is starting to go low Charge the watch by placing it in a location where it is exposed to light For details see Charging the Watch page E 10 2 Check the current location settings Use the procedure under Configuring Time and Date Settings page E 22 to configure your location settings Important e Proper time calibration signal reception and time settings depend on correct location setting Make sure you configure these settings correctly 3 Set the current time e To set the time using a time calibration signal See To get ready for a receive
10. e E 19 which will cause the time to be adjusted automatically according to your currently selected location If this results in the wrong time setting check your location setting and correct it if necessary page E 22 E Auto Receive is not performed or cannot perform Manual Receive Possible Cause Remedy Page B inni Check your location setting and correct it if Your location setting is wrong necessary E 22 There is not enough power for signal reception Expose the watch to light to charge it E 10 E 34 necessary The watch may have been exposed to magnetism or strong impact which has caused problems with Adjust the watch s hand home positions E 29 proper hand alignment E 35 Specifications Accuracy at normal temperature 15 seconds a month with no signal calibration Timekeeping Hour minutes seconds day Calendar system Full Auto calendar pre programmed from the year 2000 to 2099 Time Calibration Signal Reception Auto receive up to three times a day Remaining auto receives cancelled as soon as one is successful Manual receive Receivable Time Calibration Signals Fukushima Japan Call Sign JJY Frequency 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 Other Power Saving Auto second hand home position correction Power Supply Solar panel and one rechargeable battery Approx
11. ed to protect against accidental pressing Use a thin pointed object to press the depression of the button to operate it e In the illustrations in this manual the button is emphasized for ease of understanding E 2 E 3 Crown Operations The crown can be pulled out to one of two click positions Never apply undue force when pulling out the crown Important e When pulling out the crown avoid using undue force which creates the risk of personal injury to your fingers and fingernails and of watch malfunction First click J p B For selecting the location setting Second click J b B B For configuring time date and other settings Note e When you push the crown back in from the first click the 2 Second Hand will perform movement that indicates whether the watch s battery requires charging before resuming regular timekeeping See Charging Guide page E 12 E 4 High speed Forward and Reverse Movement cause the hands or Day indicator to start to move at high speed High speed B Q While the crown is pulled out rotating it more than one full turn either way will i movement will continue even if you release the crown High speed Cancel button J gt B Q Rotate the crown in the reverse direction of the movement or press the Note e Leaving the crown pulled out for more than two minutes without performing any operation will automatically cause the setting operation to become
12. harging requirement is indicated whenever you push the crown back in from the first click e Failure to expose the watch to light when charging is required will cause the charge to be reduced even further e The charging guide is based on a calculated value not the actual battery charge Because of this the battery charge may go low even if the charging guide indicates that immediate charging is not required If this happens expose the watch to light as soon as possible to charge the battery E 13 Charging Times Level Change 2 Level 4 Level 3 Level2 Level 1 S _ gt Outdoor sunlight 50 000 lux 8 minutes 2 hours 25 hours Daily Operation et Exposure Level Brightness Window sunlight 10 000 lux 30 minutes 4 hours 93 hours Window sunlight on cloudy day 5 000 lux 48 minutes 6 hours 151 hours Indoor fluorescent lighting 500 lux 8 hours 59 hours 1 Approximate exposure each day to generate power for normal daily operation 2 Approximate exposure to take power up one level e The above times are for reference only Actual times depend on lighting conditions e For details about the operating time and daily operating conditions see the Power Supply section of the Specifications page E 36 Power Saving A Power Saving feature causes the watch to enter a sleep state automatically whenever it is left for a certain period in an area where it is dark
13. hing e Best charging performance e The watch may enter a sleep is achieved by exposing state page E 14 if its face is the watch to light that is as blocked by your sleeve even strong as possible only partially Warning Leaving the watch in bright light for charging 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 e Too close to an incandescent lamp e Under direct sunlight Important e Keep the watch in an area normally exposed to bright light when storing it for long periods This helps to ensure that power does not run down 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 power to run down Make sure that the watch is exposed to bright light whenever possible Power Levels You can get an idea of the watch s power level by observing the movement of the 2 Second Hand in the regular timekeeping Level Hand Movement Charge 1 Normal Battery is charged 2 Second Hand moves in the following 2 pattern Battery is starting to go low second gt 1 second gt 2 seconds 2 Second Hand moves at two second intervals i 3 4 Day Indicator
14. imate battery operating time 5 months no exposure to light after a full charge one signal reception of approximately 4 minutes per day E 36
15. ng causes In all cases the hand movement does not indicate malfunction and should stop shortly e The watch is recovering from a sleep state page E 15 e The time setting is being adjusted following a successful auto time calibration signal receive operation page E 16 E Nothing happens when rotate the crown Leaving the crown pulled out for more than two minutes without performing any operation will automatically cause the setting operation to become disabled If this happens press the crown back in and then pull it out again to configure settings See Crown Operations page E 4 E Hand movement is stopped The watch may have been exposed to magnetism which will cause the hands to stop at their current positions Pull the crown out to the first click or press a button to restart hand movement If the indicated time is not correct perform home position adjustment See Adjusting Home Positions Manually page E 29 E The current time setting is off by hours Your location setting may be wrong Check your location setting and correct it if necessary page E 22 E The hands and or day indications are off This could indicate that the watch has been exposed to magnetism or strong impact which has caused problems with proper hand and day alignment Adjust the watch s hand and day home position alignment page E 29 Charging E The watch does not resume operation after expose it to light This can happen after
16. on 1 Place the watch in a location where signal reception is good e Position the watch as shown in the nearby illustration with the part of the dial between 7 and 8 o clock pointed towards a window Make sure there are no metal objects nearby e Signal reception normally is better at night e The receive operation takes from three to eight minutes but in some cases it can take as long as 18 minutes Take care that you do not perform any button operation or move the watch during this time e Signal reception may be difficult or even impossible under the conditions described below Inside or among Inside a vehicle Near household Neara buildings appliances construction office site airport or lines equipment ora other sources of mobile phone electrical noise Near high Among tension power or behind mountains 2 What you should do next depends on whether you are using Auto Receive or Manual Receive e Auto Receive Leave the watch over night in the location you selected in step 1 See Auto Receive below for details e Manual Receive Perform the operation under To perform manual receive on page E 20 Auto Receive e With Auto Receive the watch performs the receive operation each day automatically Reception times depend on the location settings 2 00 3 00 and 4 00 a m for JP TYO TOKYO and 1 00 2 00 and 3 00 a m for CN HKG HONG KONG When any receive operation is successful none of the other receive
17. operation page E 18 e To set the time manually See Configuring Time and Date Settings Manually page E 24 The watch is now ready for use e For details about the watch s radio controlled timekeeping feature see Radio Controlled Atomic Timekeeping page E 16 CASIO Operation Guide 5251 OC E Contents E 2 About this manual E 3 About the face E 4 Crown Operations E 6 Things to check before using the watch E 10 Charging the Watch E 13 To use the charging guide E 15 To recover from the sleep state E 16 Radio Controlled Atomic Timekeeping E 18 To get ready for a receive operation E 20 To perform manual receive E 21 To check the result of the latest receive operation E 22 Configuring Time and Date Settings E 23 To check the current location setting E 23 To change the location setting E 24 To set the time manually E 26 To set the date manually E 8 E 29 Adjusting the Home Positions E 32 Troubleshooting E 36 Specifications E 9 Charging the Watch The face of the watch is a solar panel that generates power from light The generated power charges a built in rechargeable battery which powers watch operations The watch charges whenever it is exposed to light Charging Guide Whenever you are not wearing When wearing the watch _ the watch be sure to leave it in makes sure that its face is i a location where it is exposed O x not blocked from light by the to light sleeve of your clot
18. operations for that day are performed e When a calibration time is reached the watch will perform the receive operation The receive operation is not performed if a calibration time is reached while you are configuring settings E 19 To perform manual receive 1 Hold down for at least two seconds e The 2 Second Hand will first indicate the last receive results as either Y YES or N NO and then move to RC Receive in progress to indicate that signal reception has started 2 The watch s time setting is adjusted automatically whenever a receive operation is successful Note e It can take as long as 30 seconds for signal reception conditions to stabilize e If you want to stop a receive operation at any time press e If reception fails for some reason check the surrounding area and eliminate possible causes for failure and then try again See To get ready for a receive operation page E 18 E 20 To check the result of the latest receive operation 1 Press e The 2 Second Hand will indicate the result of the last receive operation Y YES Receive successful N NO Receive failed 2 Press to return to regular timekeeping Regular timekeeping also will resume if no operation is performed for about five seconds Note e The 2 Second Hand will indicate N NO if you have adjusted the time setting manually since the latest receive o
19. peration Radio controlled Atomic Timekeeping Precautions e Strong electrostatic charge can result in the wrong time setting e Even if a receive operation is successful certain conditions can cause the time setting to be off by up to one second e The watch is designed to update the date automatically for the period January 1 2000 to December 31 2099 Updating of the date by signal reception will no longer be performed starting from January 1 2100 e If you are in an area where signal reception is not possible the watch keeps time with the precision noted in Specifications page E 36 e The receive operation is disabled under any of the following conditions While the battery charge level is at Level 3 or lower page E 11 While the watch is in the function sleep state power saving page E 14 E 21 Configuring Time and Date Settings Normally time and date settings are configured automatically when a time calibration signal is received in accordance with your location setting Important e Whenever you are in an area where a signal cannot be received or if your location setting does not support signal reception you will need to configure time settings manually See Configuring Time and Date Settings Manually page E 24 Location Setting Select one of the location settings shown below in accordance with your current location In China CN HKG HONG KONG In Japan JP TYO TOKYO Any o
20. te based on the time signal on the radio TV etc push the crown back in to restart timekeeping e The 2 Second Hand will restart timekeeping from 0 seconds 12 o clock E 25 To set the date manually 1 Pull the crown out to the second click e The 2 Second Hand will move to A AM or P PM in accordance with the current time e Use to cycle through the available settings in the sequence shown below Hour and minutes AM PM 2 5 Day Ya Year ones digit lt Year tens digit a Month 2 Press twice e The 2 Second Hand will align with the bottom of the 4 Day Indicator 3 Rotate the crown to change the day setting Important e Note that you can change the day setting only by advancing to the next day You cannot go back to a previous day To change from 30 to 29 for example you must change the setting in the sequence 30 gt 31 gt 1 gt 29 E 26 Dec j 4 After the day setting is the way you want press ot ZA ie Feb e The 2 Second Hand will move to the current month Z N setting c Mar 5 Rotate the crown to move the 2 Second Hand to the i gt 88 C month you want TON q j Apr Jul I a May 2 Jun 2 00 6 After the setting is the way you want press
21. ther location OFF Receive off Setting the wrong location can make reception impossible or may result in incorrect time settings See Radio Controlled Atomic Timekeeping page E 16 Important e When using this watch in China set CN HKG HONG KONG as the location E 22 To check the current location setting 1 Pull the crown out to the first click e The 2 Second Hand will move to the currently selected location 2 Push the crown back in e The 2 Second Hand will perform movement that indicates whether the watch s battery requires charging After that regular timekeeping will resume See To use the charging guide page E 13 1 Pull out the crown to the first click e The 2 Second Hand will move to the currently selected location Wi JAI 2 Rotate the crown to move the 2 Second Hand to the location setting you want to use Important e Leaving the crown pulled out for more than two minutes without performing any operation will automatically cause setting operation to become disabled If this happens press the crown back in and then pull it out again to configure settings E 23 Operation Guide 5251 OC CASIO 3 Push the crown back in e The 2 Second Hand will perform movement that indicates whether the watch s battery requires charging After that regular timekeeping will resume See To use the charging gui
22. ture 15 minutes maximum is available when adjusting the home e The 4 Day Indicator should show 1 and the 2 Second Hand should align with the bottom of the positions of the hands See Crown Operations page E 4 4 Day Indicator This can take up to 90 seconds ae k e If the 1 is not in the center of the 4 Day Indicator rotate the crown to center it A high speed H 5 Press and check the 4 Day Indicator movement feature one month maximum is available when adjusting the home position of the 4 Day e The 4 Day Indicator should show 1 and the 2 Second Hand Indicator should align with the bottom of the 4 Day Indicator This can take up to 90 seconds 8 Press f the 1 is not in the center of the 4 Day Indicator rotate the crown to center it A high speed movement feature one month maximum is available when adjusting the home position of the 4 Day Indicator See Crown Operations page E 4 2 6 Push the crown back in e This exits home position adjustment and returns to regular timekeeping Note that it can take up to about 10 minutes before the watch returns to regular timekeeping e This completes home position adjustment when the hands are off within 15 minutes 00 seconds E 30 e The 1 Hour Hand 3 Minute Hand and 2 Second Hand should move to their correct home positions 12 o clock This can take up to about 10 minutes 9
23. u City China JP TYO TOKYO Fukushima Japan Fukuoka Saga Japan OFF No signal received Approximate Reception Ranges Japanese Signal Chinese Signal 500 kilometers Fukushima Changchun a N a K J 500 kilometers s 1 Shanghai 1 Chengdu WA Hong Kong 1 000 kilometers 1 500 kilometers Fukuoka Saga E 17 e Even when the watch is within range of a transmitter signal reception may be impossible due to the effects of geographic contours structures weather the time of year the time of day radio interference etc The signal becomes weaker at distances of approximately 500 kilometers which means that the influence of the above conditions becomes even greater e Signal reception may not be possible at the distances noted below during certain times of the year or day Radio interference may also cause problems with reception Fukushima or Fukuoka Saga Japan transmitter 500 kilometers 310 miles Shangqiu China transmitter 500 kilometers 310 miles e As of December 2010 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 e Using this watch in a country covered by a time calibration that is different from the countries it supports may result in incorrect time indication due to local application of summer time etc To get ready for a receive operati
Download Pdf Manuals
Related Search