Casio 2556 Watch User Manual
Contents
1. LOS ANGELES 8 SAN FRANCISCO LAS VEGAS VANCOUVER SEATTLE DAWSON CITY DEN DENVER HOUSTON DALLAS FORT WORTH EL PASO EDMONTON CHI CHICAGO 6 NEW ORLEANS MEXICO CITY WINNIPEG Problem Probable Cause What you should do Cannot perform e The watch is not in the Timekeeping Mode e Enter the Timekeeping Mode manual receive e You do not select one of the following and try again City Codes as your Home City Code e Select the correct Home City NYC CHI DEN or LAX Code Auto receive is e You changed the time setting manually e Perform manual signal receive turned on but e The watch was not in the Timekeeping or wait until the next auto the receive or World Time Mode or you were signal receive operation is indicator does performing some button operation performed not appear on during the auto signal receive operation e Check to make sure the watch the display was performed is in a location where it can Even if receive is successful the receive receive the signal indicator disappears every day at 3am e Put the watch in a location Time data hour minutes seconds only that is suitable for good was received during the last receive reception operation The receive indicator appears only when time data and date data year month day are both received Time setting is If the time is one hour off the DST e Change the DST setting to incorrect setting may be incorrect Auto DST following2. Saving Time and Standard Time 6 Press to exit the setting screen 7 Hold down for about two seconds until the watch beeps e Release and the message RC appears to indicate that signal reception has started e Time calibration signal reception takes from two to six minutes Take care that you do not move the watch during this time e If the watch is indoors we recommend that you place the watch near a window to allow better signal reception e After signal reception is complete the display of the watch changes to the Last Signal screen Time Calibration Signal Reception This watch is designed to pick up a time calibration signal and update its time setting in accordance with the signal There are two different methods you can use to receive the signal Auto Receive and Manual Receive With Auto Receive the watch automatically receives the calibration signal three times each day and makes appropriate adjustments With Manual Receive you perform a specific button operation to receive the calibration signal Before performing a signal receive operation remove the watch from your wrist and position it as shown in the illustrations below e If your watch has a resin band pass the end of the band through the band loop and place the watch on a stable surface Resin band S2 Pass through band loop Note e If you are using the time calibration signal to set the time for this watch be sure to correctly set your
3. which indicates the setting screen e This operation automatically turns on the alarm 3 Use to move the flashing in the sequence shown below to select other settings C Hour gt Minutes l On off status 7 4 While a setting is flashing use and to change it ie the hour or minute setting is flashing use and to change it e While a one ane alarm or the snooze on off setting is flashing use to toggle it on HN and off QF 5 Press to exit the setting screen e When setting the alarm time using the 12 hour format take care to set the time correctly as a m no indicator or p m P indicator USER S GUIDE 2556 Alarm Operation The alarm tone sounds at the preset time for 10 seconds regardless of the mode the watch is in In the case of the snooze alarm the alarm repeats up to seven times every five minutes until you turn the alarm off e Pressing any button stops the alarm tone operation e If any alarm operation one time alarm snooze occurs while a signal receive operation is in progress the receive operation is canceled e Displaying the Timekeeping Mode setting screen during a 5 minute interval between snooze alarms stops the current snooze alarm operation but snooze alarm remains as the alarm type setting e The snooze on indicator 7 flashes during the 5 minute intervals between alarms e The alarm on indicator snooze on indicator 37 and
4. Home City Otherwise there is the chance that the watch will not set the correct time See Setting the Time and Date Manually for details e Note that signal reception is possible only when the watch is within range of a time calibration signal transmitter and a city code that supports signal reception is selected as the Home City code e The current time setting in accordance with the time calibration signal takes priority over any time settings you make e Auto receive is turned on when the watch is shipped from the factory See the information under Time Calibration Signal Reception if you experience problems with time calibration signal reception To perform manual time calibration signal reception 1 Place the watch on a stable surface so its top 12 o clock side is facing in the general direction of the signal transmitter e Note that signal reception is poor if the watch is on its back or side 2 In the Timekeeping Mode hold down for about two seconds until the watch beeps e Release and the message RC appears to indicate that signal reception has started e Time calibration signal reception takes from two to six minutes Take care that you do not move the watch during this time After signal reception is complete the display of the watch changes to the Last Signal screen The receive indicator indicates that the time calibration reception attempt was successful Receive indicator Note
5. Hourly Time Signal on indicator 5 are displayed in all modes e In all modes the alarm on indicator is shown for any alarm FL 1 through F TAL or P4122 that is currently turned on e Alarm operations and the Hourly Time Signal operation are performed in all modes To test the alarm In the Alarm Mode hold down to sound the alarm To turn an alarm on and off 1 In the Alarm Mode use to scroll through the alarm screens until the one whose time you want to set is displayed 2 After you select an alarm hold down until the hour setting of the alarm time starts to flash which indicates the setting screen e This operation automatically turns on the alarm 3 Press twice to move the flashing to the alarm s on off setting 4 While the on off setting is flashing use to toggle it on ON and off HF 5 Press to exit the setting screen On off status To turn the Hourly Time Signal on and off 1 In the Alarm Mode use to scroll through the alarm Hourly Time signal screens until the Hourly Time Signal screen is on indicator displayed i Hold down until the Hourly Time signal on off setting starts to flash which indicates the setting screen e This operation automatically turns on the Hourly Time Signal 3 While the on off setting is flashing use to toggle it on ON and off GF 4 Press to exit the setting screen On off status Date Alert Date Alert helps you to rememb
6. LISBON CASABLANCA DAKAR LON LONDON ABIDJAN PAR PARIS MILAN ROME MADRID AMSTERDAM ALGIERS BER BERLIN HAMBURG FRANKFURT VIENNA STOCKHOLM ATH ATHENS HELSINKI ISTANBUL BEIRUT DAMASCUS CAI CAIRO CAPE TOWN JRS JERUSALEM KUWAIT RIYADH ADEN ADDIS ABABA NAIROBI JED JEDDAH MOSCOW THR TEHRAN SHIRAZ DXB DUBAI ABU DHABI MUSCAT KBL KABUL KHI KARACHI i MALE DEL DELHI MUMBAI KOLKATA DAC DHAKA COLOMBO RGN YANGON BKK BANGKOK JAKARTA PHNOM PENH HANOI VIENTIANE SINGAPORE KUALA LUMPUR BEIJING TAIPEI HKG HONG KONG MANILA PERTH ULAANBAATAR TYO TOKYO SEL SEOUL PYONGYANG ADL ADELAIDE 9 5 DARWIN SYD SYDNEY 10 MELBOURNE GUAM RABAUL NOU NOUMEA 11 PORT VILA WLG WELLINGTON 12 CHRISTCHURCH NADI NAURU ISLAND e Based on data as of December 2001
7. USER S GUIDE 2556 About This Manual e Button operations are indicated using the letters shown in the illustration e Each section of this manual provides you with the information you need to perform operations in each mode Further details and technical information can be found in the Reference section General Guide e Press to change from mode to mode e In any mode press to illuminate the display World Time Mode Timekeeping Mode Timekeeping Use the Timekeeping Mode to set and view the current time and date e Pressing displays the Last Signal screen date and time the time calibration signal was last received in the Timekeeping Mode Alternate at the 1 second interval Month Day Hour Minutes Seconds Press indicator Receive dat Day of week leceive date Last Signal Screen Current Time Setting This watch automatically adjusts its time setting in accordance with a time calibration signal You can also perform a manual procedure to set the time and date when necessary e Before using the watch in the Continental United States first use the procedure under Setting Up the Watch for Use in the Continental United States to set the time in accordance with a time calibration signal e Note that after you set your Home City the city where you normally use the watch code you must also turn on the watch s time calibration signal receiver if you want to enable auto time cali
8. al atmospheric changes or the time of day may change the reception range of the signal and make reception temporarily impossible Reception is best when the antenna built into the 12 o clock edge of the watch is facing in the general direction of the signal transmitter Note however that moving the watch while the time calibration signal receive operation is taking place will make stable reception impossible Think of the watch as acting like a TV or radio when it is receiving the calibration signal When receiving indoors move to a location as near as possible to a window Proper signal reception can be difficult or even impossible under the conditions listed below Near TVs refrigerators computers or other household appliances Far away from broadcasting stations among ferro concrete structures or near mountains Underground in tunnels or in ferro concrete buildings Near high tension wires neon signs or radio stations with interfering frequencies Near railroads highways or airports In trains or cars e Radio interference can make signal reception impossible e Strong electrostatic charge can result in the wrong time being set Troubleshooting Check the following points whenever you experience problems with your watch 12 hour 24 hour Timekeeping Formats The 12 hour 24 hour timekeeping format you select in the Timekeeping Mode is also applied in all other modes except for the World Time Mode and Time Recorder Mode e With the 12 h
9. bration See About Auto Receive for more information e See Setting the Time and Date Manually for information about manual settings Setting Up the Watch for Use in the Continental United States You need to make the following three settings before using this watch in the Continental United States The following provides a general overview of the setting procedure For full details see Setting the Time and Date Manually and Time Calibration Signal Reception e Specify the city code for your Home City the city where you will normally use the watch e Select the auto summer time DST setting e Perform the manual time calibration signal receive operation to set the current time To set up the watch for use in the Continental United States 1 In the Timekeeping Mode hold down until the current auto receive on off setting to flash which indicates the setting screen 2 Press twice to move the flashing to the city code setting 3 Use and to select the city code you want to use as your Home City The following are the city codes for major cities in the Continental United States time zones LAX Los Angeles San Francisco Las Vegas Seattle DEN Denver El Paso CHI Chicago Houston Dallas Fort Worth New Orleans NYC New York Detroit Miami Boston 4 Press to display the summer time DST setting screen 5 Use to select A auto DST e Auto DST specifies auto switching between Daylight
10. e To interrupt a receive operation and return to the Timekeeping Mode press e If the receive operation is unsuccessful the message ERR appears on the display for about one or two minutes After that the watch returns to the Timekeeping Mode e You can also change from the Last Signal or ERR screen to the normal timekeeping screen by pressing USER S GUIDE 2556 About the Receive Indicator The receive indicator shows the strength of the calibration signal being received For best reception be sure to keep the watch in a location where signal strength is strongest Weak ga eee Strong e Even in an area where signal strength is strong it takes about 10 seconds for signal reception to stabilize enough for the receive indicator to indicate signal strength Use the receive indicator as a guide for checking signal strength and for finding the best location for the watch during signal receive operations e The receive indicator remains on the display in all modes following reception of the time calibration signal and calibration of the watch s time setting The receive indicator does not appear if signal reception was unsuccessful or after manual adjustment of the current time setting About Auto Receive When auto receive is turned on the watch automatically starts to receive the time calibration signal when the time in the Timekeeping Mode reaches 2 00 AM 4 00 AM and 6 00 AM each day calibration time
11. e of a particular event To record a Time Recorder time In the Time Recorder Mode press to record the Home City time hour minutes seconds e The recorded time flashes for about two seconds and then it is assigned a record number e Records are assigned numbers sequentially from T 4 through TE m3 e Storing a new time record when there are already 50 cords stored in memory automatically deletes record 1 shifts the remaining records upwards by 1 and stores the new record as TEF e The Time Recorder Mode always displays times using 24 hour format regardless of the 12 hour 24 hour format setting in the Timekeeping Mode Home city Recorded time time Hour Minutes Time record number To recall Time Recorder times In the Time Recorder Mode press to scroll through times stored in memory e Each press of scrolls through time records from higher numbered newer records to lower numbered records e Whenever you enter the Time Recorder Mode the newest highest numbered record appears first To delete all Time Recorder times In the Time Recorder Mode press and at the same time to delete all Time Recorder times Stopwatch The stopwatch lets you measure elapsed time split times Home city time and two finishes Seconds The display range of the stopwatch is 23 hours 59 minutes 59 99 seconds e The stopwatch continues to run restarting from zero after it reaches its limit until you stop it Exi
12. en the setting you want is selected press to exit the setting screen Timekeeping e The day of the week is automatically displayed in accordance with the date year month and day settings e The year can be set in the range of 2000 to 2039 e The watch s built in full automatic calendar automatically makes allowances for different month lengths and leap years Once you set the date there should be no reason to change it except after you have the watch s battery replaced e The current time for all city codes in the Timekeeping Mode and World Time Mode is calculated in accordance with the Greenwich Mean Time GMT differential for each city based on the your Home City time setting e GMT differential is calculated by this watch based on Universal Time Coordinated UTC data The letters UTC stands for Universal Time Coordinated which is the world wide scientific standard of timekeeping It is based upon carefully maintained atomic cesium clocks that keep accurate to within microseconds Leap seconds are added or subtracted as necessary to keep UTC in sync with the Earth s rotation The reference point for UTC is Greenwich England MONTREAL DETROIT MIAMI BOSTON NYC NEWYORK E PANAMA CITY HAVANA LIMA BOGOTA CCS CARACAS 4 LA PAZ SANTIAGO PORT OF SPAIN SAO PAULO BUENOS AIRES BRASILIA RIO RIO DE JANEIRO 3 MONTEVIDEO 2 z zi PRAIA GMT DUBLIN
13. er an important date After you set an alert date month and day a date alert indicator and the current date flash for 24 hours after the alert date arrives in the Timekeeping Mode You can set up to five different date alerts Home city time Date alert on indicator When the alert date is reached in the Timekeeping Mode Alert Date Month Day Alert number Current Date Month Day Timekeeping Mode display To set the alert date 1 Use to enter the Date Alert Mode 2 Use to scroll through the alert screens until the one whose date you want to set is displayed E 3 After you select an alert hold down until the month setting of the alert date starts to flash which indicates the setting screen e This operation automatically turns on the alert 4 Press to move the flashing in the sequence shown below Alert date i Month Day Alert on off E 5 While a setting is flashing use and to change it e While the month or day setting is flashing use and 8 to change it e While the date alert on off setting is flashing use to toggle it on Hf and off BF 6 Press A to exit the setting screen Time Recorder The Time Recorder Mode lets you store up to 50 time entries hour minutes seconds with the touch of a button One way you can use the Time Recorder Mode is to record the start time and the end tim
14. hen time and date data is received Receive indicator 32 appears When time data only is received Receive indicator 32 does not appear Normally the signal reception date shown by the Last Signal screen is the date data included in the received time calibration signal When only time data is received however the Last Signal screen shows date as kept in the Timekeeping Mode at the time of signal reception When auto receive is turned on the watch receives the calibration signal for two to six minutes each day when the Timekeeping Mode time reaches 2 00 AM 4 00 AM and 6 00 AM Do not operate any of the watch s buttons within six minutes prior to or following the calibration times Doing so can interfere with correct calibration Remember that reception of the calibration signal depends on the time kept in the Timekeeping Mode The receive operation will be performed whenever the display shows 2 00 AM 4 00 AM and 6 00 AM regardless of whether or not the Timekeeping Mode time is actually the correct time When two or three receptions are successful the watch uses the data of the last reception for calibration When only one reception is successful the watch uses the data of the successful reception To turn auto receive on and off 1 In the Timekeeping Mode hold down until the current auto receive on off setting to flash which indicates the setting screen 2 Press to toggle auto receive on Qf and off QF 3 Press to exi
15. ng screens to scroll through data on the display In most cases holding down these buttons during a scroll operation scrolls through the data at high speed Initial Screens When you enter the Alarm Date Alert or World Time Mode the data you were viewing when you last exited the mode appears first Time Calibration Signal Reception e This watch is able to receive the time calibration signal 2 000 miles transmitted from Fort Collins Colorado Signal reception 1 200 miles is possible within a radius of about 2 000 miles 3 000 kilometers from the Fort Collins transmitter Fort Collins USER S GUIDE 2556 General Precautions e The watch is designed to automatically update the date and day of the week for the period January 1 2000 to December 31 2039 Setting of the date by the time calibration signal cannot be performed starting from January 1 2040 This watch can receive signals that differentiate between leap years and non leap years Even when the watch is within the reception range of the transmitter signal reception is impossible if the signal is blocked by mountains or other geological formations between the watch and signal source Signal reception is affected by weather atmospheric conditions and seasonal changes The time calibration signal is bounced off the ionosphere Because of this such factors as changes in the reflectivity of the ionosphere as well as movement of the ionosphere to higher altitudes due to season
16. our format the P PM indicator appears on the display for times in the range of noon to 11 59 p m and the no indicator appears for times in the range of midnight to 11 59 a m e With the 24 hour format times are displayed in the range of 0 00 to 23 59 with 24 indicator e The Word Time Mode and Time Recorder Mode always display times using 24 hour format regardless of the 12 hour 24 hour format setting in the Timekeeping Mode e In all modes besides the Timekeeping Mode the current Home City time in the upper left corner of the display is always displayed using 24 hour format Backlight Precautions The backlight uses an EL electro luminescent panel that causes the entire display to glow for easy reading in the dark In any mode press to illuminate the display for about one second The electro luminescent panel that provides illumination loses power after very long use e The illumination provided by the backlight may be hard to see when viewed under direct sunlight e The watch may emit an audible sound whenever the display is illuminated This is due to vibration of the EL panel used for illumination and does not indicate malfunction e The backlight automatically turns off whenever an alarm sounds e Frequent use of the backlight shortens the battery life City Code Table ey City a ai Other major cities in same time zone aji PAGO PAGO HNL HONOLULU 10 PAPEETE ANC ANCHORAGE 9 NOME LAX
17. s Note e The auto receive operation is performed only if the watch is in the Timekeeping or World Time Mode when one of the calibration times is reached It is not performed if a calibration time is reached while you are making settings while settings are flashing on the display while an alarm is sounding e Auto receipt of the calibration signal is designed to be performed early in the morning while you sleep provided that the Timekeeping Mode time is set correctly Before going to bed for the night remove the watch from your wrist and put it ina location where it can easily receive the signal The receive indicator indicates that either the 2 00 AM 4 00 AM or 6 00 AM calibration signal reception was successful Note however that the receive indicator is cleared from the display at 3 00 AM each day If you do not see the receive indicator except for the above reason it means there was some problem with the calibration reception operation Either perform reception manually or make sure the watch is set up properly to receive the time calibration signal for the next automatic reception time Though this watch is designed to receive both time data hour minutes seconds and date data year month day certain signal conditions can limit reception to time data only The receive indicator 2 appears only when the watch is able to successfully receive both time and date data It does not appear when pony time data is received W
18. s the World Time Mode time City code settings will be adjusted in accordance with the Timekeeping Mode s Home City time e All of the operations in this section are performed in the World Time Mode which you enter by pressing Home city time DST indicator Current time in the selected city code Hour Minutes Seconds To view the time in another city code In the World Time Mode press to scroll city codes time zones to the east or to scroll to the west e For full information on city codes see the City Code Table Alarms Home city time The Alarm Mode gives you a choice of four one time alarms and one snooze alarm One of the one time alarms functions as a target alarm which counts the time remaining from the current Timekeeping Mode time to the target alarm time Also use the Alarm Mode to turn the Hourly Time Signal Alarm number Alarm time Hour Minutes Countdown Hours Minutes Seconds snooze ze alarm only Alarm i target alarm can be used as one time alarms only e Alarm settings and Hourly Time Signal settings are available in the Alarm Mode which you enter by pressing Target alarm screen To set an alarm time 1 In the Alarm Mode use to scroll through the alarm screens until the one whose time you want to set is displayed 2 After you select an alarm hold down until the hour setting of the alarm time starts to flash
19. signal The Home City Code setting is not e Select the correct Home City reception correct for the area where you are using Code the watch Auto Summer Time DST Switching The time calibration signal transmitted from Fort Collins Colorado includes both standard time and summer time Daylight Saving Time data When auto summer time DST switching is turned on the watch switches between standard time and summer time DST automatically in accordance with the Fort Collins signal e Daylight Saving Time DST advances the time setting by one hour from Standard Time Remember that not all countries or even local areas use Daylight Saving Time e When using the watch in the Continental United States select Auto DST for the auto summer time setting e The default auto summer time settings is Auto DST whenever you select one of the following city codes as your Home City code NYC CHI DEN LAX ANC or HNL e If you experience problems receiving the time calibration signal in your area it is probably best to turn off auto time switching To select the auto summer time setting 1 In the Timekeeping Mode hold down until the current auto receive on off setting to flash which indicates the setting screen 2 Press three times until the summer time DST setting screen appears 3 Use to cycle through the summer time settings in the sequence shown below C Auto DST gt DST off HF DST on Bf M 4 Wh
20. t the setting screen ee Setting the Time and Date Manually Make sure you select your Home City code the city code whose time and date you are setting before change the current time and date settings World Time Mode times are all displayed in accordance with the Timekeeping Mode settings Because of this World Time Mode times will not be correct if you do not select the proper Home City code before setting the time and date in the Timekeeping Mode To set the current time and date manually e 1 In the Timekeeping Mode hold down until the current auto receive on off setting to flash which indicates the setting screen 2 Press to move the flashing in the sequence shown below to select other settings 12 24 Hour Format Frequency gt City Code gt DST m gt Receive Day Month k Year Minutes oa Hour Seconds 3 When the setting you want to change is flashing use and or to change it as described below Setting Screen Button Operations Auto Receive nN ue Frequency ISA Press O to toggle auto receive on and off When NYC CHI DEN LAX ANC or HNL is selected as Home City Code USA flashes When one of the other city codes is selected as Home City Code flashes City code JYE Use and to change the setting Button Operations fe Press O to toggle between Daylight Sa
21. ting the Stopwatch Mode while a split time is frozen on the display clears the split time and returns to elapsed time measurement e The stopwatch measurement operation continues even if you exit the Stopwatch Mode MACO second e All of the operations in this section are performed in the Minutes Stopwatch Mode which you enter by pressing To measure times with the stopwatch Elapsed Time D O qox ooc 7 O0 Start Stop Re start Stop Clear Split Time D AmA D LOA Start Split Split release Stop Clear and flashes Two Finishes D Am0 o Start Split Stop Split release Clear First runner Second runner Display time of finishes finishes second runner Display time of first runner Reference This section contains more detailed and technical information about watch operation It also contains important precautions and notes about the various features and functions of this watch Auto Return Features e If you leave the watch in the Alarm or Date Alert Mode for two or three minutes without performing any operation it automatically changes to the Timekeeping Mode e If you leave a screen with flashing digits or a cursor on the display for two or three minutes without performing any operation the watch automatically saves anything you have input up to that point and exits the setting screen Data and Setting Scrolling The and buttons are used in various modes and setti
22. ving u Time f and standard time BF e Pressing performs a different operation when NYC CHI DEN LAX ANC or HNL is selected as Home City Code See Auto Summer Time DST Switching Press to toggle between 12 hour 12H and 24 hour 24H timekeeping Hour Minutes wt oo Use and to change the us u setting Seconds Press to reset the seconds to 00 veal Oe Use and to change the Month Day Sh setting 12 24 Hour format 12H 4 Press to exit the setting screen e The auto receive setting is used for time calibration signal reception only See About Auto Receive for details e See City Code Table for a complete list of available city codes e Resetting the seconds to 00 while the current count is in the range of 30 to 59 causes the minutes to be increased by 1 In the range of 00 to 29 the seconds are reset to 00 without changing the minutes World Time The World Time shows the current time in 30 cities 29 time zones around the world e If the current time shown for a city is wrong check your Timekeeping Mode time and Home City settings and make the necessary changes e You can change the DST Daylight Saving Time Standard Time settings for each city code in the Timekeeping Mode e The watch will perform a signal receive operation even if it is in the World Time Mode when a calibration time is reached If this happen
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