Casio Watch WS2201AV User Manual

MO1106-EA  
Operation Guide 3271  
Getting Acquainted  
Congratulations upon your selection of this CASIO watch. To get the most out of your  
purchase, be sure to read this manual carefully.  
Be sure to keep all user documentation handy for future reference.  
Keep the watch exposed to bright light  
The electricity generated by the solar cell of the watch is  
Bright Light  
stored by a rechargeable battery. Leaving or using the  
watch where it is not exposed to light causes the battery  
to run down. Make sure the watch is exposed to light as  
much as possible.  
l
l
l
Solar cell  
When you are not wearing the watch on your wrist,  
position the face so it is pointed at a source of bright  
light.  
You should try to keep the watch outside of your sleeve  
as much as possible. Charging is reduced significantly if  
the face is covered only partially.  
E-1  
The watch continues to operate, even when it is not exposed to light. Leaving the  
watch in the dark can cause the battery to run down, which will result in some watch  
functions to be disabled. If the battery goes dead, you will have to re-configure watch  
settings after recharging. To ensure normal watch operation, be sure to keep it  
exposed to light as much as possible.  
The actual level at which some functions are disabled depends on the watch model.  
Frequent display illumination can run down the battery quickly and require charging.  
The following guidelines give an idea of the charging time required to recover from a  
single illumination operation.  
Approximately 5 minutes exposure to bright sunlight coming in through a window  
Approximately 8 hours exposure to indoor fluorescent lighting  
Battery charges in the light.  
Battery discharges in the dark.  
Be sure to read “Power Supply” (page E-39) for important information you  
need to know when exposing the watch to bright light.  
Bright Light  
Solar cell  
(Converts light to  
electrical power.)  
Electrical  
energy  
If the display of the watch is blank...  
If the display of the watch is blank, it means that the watch’s Power Saving function  
has turned off the display to conserve power.  
All  
functions  
enabled  
LEVEL 1  
LEVEL 2  
LEVEL 3  
LEVEL 4  
LEVEL 1  
LEVEL 2  
See “Power Saving Function” (page E-51) for more information.  
Some or all  
functions  
disabled  
LEVEL 3  
LEVEL 4  
Dis-  
charge  
Charge  
Rechargeable battery  
E-2  
E-3  
About This Manual  
Contents  
Button operations are indicated using the letters shown in the illustration.  
General Guide ......................................................................................................... E-8  
Timekeeping .......................................................................................................... E-11  
Stopwatch .............................................................................................................. E-17  
Recall Mode ........................................................................................................... E-21  
Countdown Timer .................................................................................................. E-25  
World Time ............................................................................................................. E-29  
Alarms .................................................................................................................... E-32  
Illumination ............................................................................................................ E-37  
Power Supply ........................................................................................................ E-39  
Reference .............................................................................................................. E-47  
Specifications ....................................................................................................... E-55  
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.  
E-4  
E-5  
To view the time in another city ........................................................................... E-30  
Procedure Lookup  
The following is a handy reference list of all the operational procedures contained in  
this manual.  
To toggle a city code time between Standard Time and  
Daylight Saving Time ...................................................................................... E-31  
To exit the demo mode ......................................................................................... E-10  
To set the time and date ....................................................................................... E-12  
To change the Daylight Saving Time (summer time) setting ............................ E-16  
To measure times with the stopwatch ................................................................ E-18  
To position the lap time and split time on the display ...................................... E-19  
To recall stopwatch records ................................................................................ E-21  
To delete a log ....................................................................................................... E-23  
To delete all logs ................................................................................................... E-24  
To configure the countdown timer ...................................................................... E-26  
To set an alarm time ............................................................................................. E-33  
To test the alarm ................................................................................................... E-34  
To turn an alarm on and off .................................................................................. E-35  
To turn the Hourly Time Signal on and off .......................................................... E-36  
To illuminate the display manually ...................................................................... E-37  
To specify the illumination duration ................................................................... E-38  
To turn the button operation tone on and off ..................................................... E-50  
To recover from the sleep state ........................................................................... E-52  
To turn Power Saving on and off ......................................................................... E-52  
To use the countdown timer ................................................................................ E-28  
E-6  
E-7  
Recall Mode  
Countdown Timer Mode  
General Guide  
Press C to change from mode to mode.  
In any mode, press L to illuminate the display.  
C
C
Stopwatch Mode  
Timekeeping Mode  
C
C
Alarm Mode  
World Time Mode  
C
C
E-8  
E-9  
 
Operation Guide 3271  
A graphic animation plays on the display while a stopwatch timing operation is being  
Recall Mode  
performed.You can toggle the animation on and off by holding down A while the  
Use the Recall Mode to recall and delete records stored  
by the Stopwatch Mode.  
Stopwatch records are stored in “logs” that are created  
automatically by the watch. See “Memory Management”  
on page E-47 for more information.  
The title screen of the newest log appears first whenever  
you enter the Recall Mode.  
Log numbers are automatically assigned in sequence,  
starting from 01.  
All of the operations in this section are performed in the  
stopwatch is reset to all zeros.  
Creation date  
(Month Day)  
More than 10 hours  
Recall Mode, which you enter by pressing C (page E-9).  
Whenever the elapsed time exceeds 10 hours, the measurement changes from  
Log number  
To recall stopwatch records  
1/100-second units to 1-second units.  
Time measurement  
was performed  
In the Recall Mode, use A to scroll through the log title  
screens, starting from the newest one, as shown below.  
When the title screen of the log you want is displayed, use  
D (+) and B (–) to cycle through the records contained in  
Log Title Screen  
the log.  
E-20  
E-21  
Stopwatch Record  
Screen  
Best Lap Time  
Screen  
BEST indicator  
The locations of the lap time and split time in the Stopwatch Record screen are  
determined by the display format you last selected in the Stopwatch Mode (page  
E-17).  
The BEST indicator identifies the record that contains the best lap time in the log.  
If a best lap time record is deleted automatically when the log becomes full, the  
BEST indicator will not be transferred to the record with the next best lap time. See  
“Memory Management” on page E-47 for more information about automatic deletion  
of records.  
Lap/Split number  
Lap time  
Log Title Screen  
D
B
D
B
A
To delete a log  
1. In the Recall Mode, display the title screen or one of the records of the log you want  
to delete.  
A
Split time  
2. While holding down B, hold down D for about two seconds until the watch beeps.  
CLR” will flash on the display for two seconds and then the watch will beep.  
Release B and D at this time.  
D
You cannot delete the log of an ongoing elapsed time measurement operation.  
B
E-22  
E-23  
To delete all logs  
Countdown Timer  
1. While holding down B, hold down D for about five seconds until the watch beeps  
once and then a second time.  
Dual timers can be set with two different starting times.  
The watch can be configured so the two timers alternate,  
Number of Repeats  
CLR” will flash on the display for two seconds and then the watch will beep once.  
Keep B and D depressed and “ALL” will flash on the display for three seconds,  
and then the watch will beep again. This indicates that all log data is cleared.  
You cannot delete logs while an elapsed timing operation is in progress.  
so when one reaches the end of its countdown, the other  
timer starts.You can specify a “number of repeats” value,  
which controls how many times the two-timer countdown  
operation is performed (1 = once, 2 = twice, etc.). The  
starting time of each timer can be set in five-second steps  
up to 99 minutes, 55 seconds.  
You can specify up to 10 repeats. The watch emits a short  
beep whenever either of the timers reaches the end of its  
countdown during an ongoing timer operation. The watch  
emits a 5-second beep when the end of the final timer  
operation (specified by the number of repeats) is reached.  
Seconds  
Minutes Timer 1  
Countdown End Beeper  
The countdown end beeper lets you know when the countdown reaches zero. The  
beeper stops after about 5 seconds or when you press any button.  
E-24  
E-25  
To configure the countdown timer  
3. When the setting you want to change is flashing, use D and B to change it as  
1. While the countdown start time is on the display in the  
Countdown Timer Mode, hold down A until the current  
countdown start time starts to flash, which indicates the  
setting screen.  
described below.  
Setting  
Screen  
Button Operation  
Minutes, Seconds  
Use D (+) and B (–) to change the setting.  
If the countdown start time is not displayed, use the  
procedure under “To use the countdown timer” (page  
E-28) to display it.  
Number of Repeats  
Use D (+) and B (–) to change the setting.  
2. Press C to move the flashing in the sequence shown  
below to select other settings.  
To disable either timer, set 00'00" as its countdown start time.  
4. Press A to exit the setting screen.  
Timer 1  
Minutes  
Timer 1  
Seconds  
Timer 2  
Minutes  
Timer 2  
Seconds  
Number of Repeats  
E-26  
E-27  
To use the countdown timer  
World Time  
Current repeat count  
Preset number of repeats  
(Reset)  
World Time shows the current time in 48 cities (31 time  
zones) around the world.  
City code  
The times kept in the World Time Mode are  
Current timer time  
Current time  
synchronized with the time being kept in the  
Timer 1 or 2  
(Start/Stop)  
Timekeeping Mode. If you feel that there is an error in  
any World Time Mode time, check to make sure you  
have the correct city selected as your Home City. Also  
check to make sure that the current time as shown in  
the Timekeeping Mode is correct.  
Select a city code in the World Time Mode to display the  
current time in any particular time zone around the  
globe. See the “City Code Table” at the back of this  
manual for information about the UTC differential  
settings that are supported.  
Press D while in the Countdown Timer Mode to start the countdown timer.  
The countdown is performed by alternating between Timer 1 and Timer 2. A short  
beep is emitted to signal a changeover from one timer to the other.  
Press D to pause a countdown. Press D again to resume.  
Pressing B while a countdown timer is stopped resets it to the start time specified  
by you.  
Current time in  
selected city  
The watch emits a 5-second beep when the end of the final timer operation  
(specified by the number of repeats) is reached.  
Even if you exit the Countdown Timer Mode, the countdown timer operation  
continues and the watch beeps as required.  
All of the operations in this section are performed in the  
World Time Mode, which you enter by pressing C  
(page E-9).  
E-28  
E-29  
 
Operation Guide 3271  
To view the time in another city  
While in the World Time Mode, use D (eastward) and B (westward) to scroll through  
the city codes (time zones).  
To toggle a city code time between Standard Time and Daylight Saving Time  
1. In the World Time Mode, use D and B to display the  
city code (time zone) whose Standard Time/Daylight  
Saving Time setting you want to change.  
Pressing D and B at the same time will jump to the UTC time zone.  
2. Hold down A to toggle between Daylight Saving Time  
(DST indicator displayed) and Standard Time (DST  
indicator not displayed).  
The DST indicator is shown on the World Time Mode  
screen while Daylight Saving Time is turned on.  
DST indicator  
Note that the Standard Time/Daylight Saving Time  
setting affects only the currently displayed city code.  
Other city codes are not affected.  
Note that you cannot switch between Standard Time  
and Daylight Saving Time while UTC is selected as the  
city code.  
E-30  
E-31  
To set an alarm time  
Alarms  
1. In the Alarm Mode, use D to scroll through the alarm  
screens until the one whose time you want to set is  
displayed.  
The Alarm Mode gives you a choice of four one-time  
Alarm number  
alarms and one snooze alarm.  
Also use the Alarm Mode to turn the Hourly Time Signal  
(SIG) on and off.  
There are five alarm screens numbered AL1, AL2,  
AL3 and AL4 for the one-time alarm, and a snooze  
alarm screen indicated by SNZ. The Hourly Time  
Signal screen is indicated by SIG.  
To set a one-time alarm, display alarm screen AL1, AL2, AL3 or AL4.  
To set the snooze alarm, display the SNZ screen.  
The snooze alarm repeats every five minutes.  
2. After you select an alarm, hold down A until the hour setting of the alarm time  
starts to flash, which indicates the setting screen.  
All of the operations in this section are performed in the  
Alarm Mode, which you enter by pressing C (page  
E-9).  
Alarm time  
(Hour : Minutes)  
This operation turns on the alarm automatically.  
3. Press C to move the flashing between the hour and minute settings.  
4. While a setting is flashing, use D (+) and B (–) to change it.  
With the 12-hour format, set the time correctly as a.m. or p.m. (P indicator).  
5. Press A to exit the setting screen.  
E-32  
E-33  
To turn an alarm on and off  
Alarm Operation  
1. In the Alarm Mode, use D to select an alarm.  
The alarm tone sounds at the preset time for 10 seconds, regardless of the mode the  
watch is in. In the case of the snooze alarm, the alarm operation is performed a total  
of seven times, every five minutes, until you turn the alarm off (page E-35).  
Alarm and Hourly Time Signal operations are performed in accordance with the  
Timekeeping Mode time.  
Alarm on indicator  
2. Press B to toggle it on and off.  
Snooze alarm  
indicator  
Turning on a alarm (AL1, AL2, AL3, AL4 or  
SNZ) displays the alarm on indicator on its Alarm Mode  
screen.  
In all modes, the alarm on indicator is shown for any  
To stop the alarm tone after it starts to sound, press any button.  
Performing any one of the operations below during a 5-minute interval between  
snooze alarms cancels the current snooze alarm operation.  
Displaying the Timekeeping Mode setting screen (page E-12)  
Displaying the SNZsetting screen (page E-33)  
alarm that currently is turned on.  
The alarm on indicator flashes while the alarm is  
sounding.  
The snooze alarm indicator flashes while the snooze  
alarm is sounding and during the 5-minute intervals  
between alarms.  
To test the alarm  
In the Alarm Mode, hold down D to sound the alarm.  
Alarm on/off  
: Alarm on  
: Alarm off  
E-34  
E-35  
To turn the Hourly Time Signal on and off  
Illumination  
1. In the Alarm Mode, use D to select the Hourly Time  
Hourly time signal  
on indicator  
An LED (light-emitting diode) illuminate the display for  
easy reading in the dark.  
Signal (SIG).  
2. Press B to toggle it on and off.  
The Hourly Time Signal on indicator is shown on the  
display in all modes while this function is turned on.  
Illumination Precautions  
The illumination provided by the light may be hard to see  
when viewed under direct sunlight.  
Illumination automatically turns off whenever an alarm  
sounds.  
Frequent use of illumination runs down the battery.  
To illuminate the display manually  
In any mode, press L to turn on illumination.  
You can use the procedure below to select either 1.5 seconds or 3 seconds as the  
illumination duration. When you press L, the illumination will remain on for about  
1.5 seconds or 3 seconds, depending on the current illumination duration setting.  
E-36  
E-37  
To specify the illumination duration  
Power Supply  
1. In the Timekeeping Mode, hold down A until the  
display contents start to flash. This is the setting screen.  
2. Press C 10 times until the current illumination duration  
This watch is equipped with a solar cell and a rechargeable battery that is charged by  
the electrical power produced by the solar cell. The illustration shown below shows  
how you should position the watch for charging.  
setting (  
or  
) appears.  
Solar cell  
3. Press D to toggle the setting between  
Example: Orient the watch so its face is  
pointing at a light source.  
The illustration shows how to position a  
watch with a resin band.  
Note that charging efficiency drops when  
any part of the solar cell is blocked by  
clothing, etc.  
(approximately 1.5 seconds) and  
3 seconds).  
4. Press A to exit the setting screen.  
(approximately  
You should try to keep the watch outside of  
your sleeve as much as possible. Charging  
is reduced significantly if the face is  
covered only partially.  
E-38  
E-39  
 
Operation Guide 3271  
Important!  
Battery Power Indicator and Recover Indicator  
Storing the watch for long periods in an area where there is no light or wearing it in  
such a way that it is blocked from exposure to light can cause rechargeable battery  
power to run down. Be sure that the watch is exposed to bright light whenever  
possible.  
The battery power indicator on the display shows you the current status of the  
rechargeable battery’s power.  
Level  
1
Battery Power Indicator  
Function Status  
All functions enabled.  
Battery power  
indicator  
This watch uses a rechargeable battery to store power produced by the solar cell, so  
regular battery replacement is not required. However, after very long use, the  
rechargeable battery may lose its ability to achieve a full charge. If you experience  
problems getting the rechargeable battery to charge fully, contact your dealer or  
CASIO distributor about having it replaced.  
Never try to remove or replace the watch’s rechargeable battery yourself. Use of the  
wrong type of battery can damage the watch.  
2
3
All functions enabled.  
l
l
Illumination, and beeper  
disabled.  
4
5
Except for timekeeping and  
the CHG (charge) indicator,  
all functions and display  
indicators disabled.  
All data stored in memory is deleted, and the current time and all other settings  
return to their initial factory defaults whenever battery power drops to Level 5 (pages  
E-41 and E-42) and when you have the battery replaced.  
Turn on the watch’s Power Saving function (page E-51) and keep it in an area  
normally exposed to bright light when storing it for long periods. This helps to keep  
the rechargeable battery from going dead.  
All functions disabled.  
E-40  
E-41  
The flashing L and LOW indicators at level 3 tell you that battery power is very low,  
and that exposure to bright light for charging is required as soon as possible.  
At Level 5, all functions are disabled and settings return to their initial factory  
defaults. Once the battery reaches Level 2 after falling to Level 5, reconfigure the  
current time, date, and other settings.  
Performing illumination, or beeper operations during a  
Recover indicator  
short period may cause  
display.  
(recover) to appear on the  
After some time, battery power will recover and  
(recover) will disappear, indicating that the above  
functions are enabled again.  
The watch’s Home City code setting will change automatically to TYO (Tokyo)  
whenever the battery drops to Level 5.  
Display indicators reappear as soon as the battery is charged from Level 5 to Level 2.  
If  
(recover) appears frequently, it probably means  
that remaining battery power is low. Leave the watch in  
bright light to allow it to charge.  
Leaving the watch exposed to direct sunlight or some other very strong light source  
can cause the battery power indicator to show a reading temporarily that is higher  
than the actual battery level. The correct battery level should be indicated after a few  
minutes.  
E-42  
E-43  
Charging Guide  
Charging Precautions  
The following table shows the amount of time the watch needs to be exposed to light  
each day in order to generate enough power for normal daily operations.  
Certain charging conditions can cause the watch to become very hot. Avoid leaving  
the watch in the areas described below whenever charging its rechargeable battery.  
Also note that allowing the watch to become very hot can cause its liquid crystal  
display to black out. The appearance of the LCD should become normal again when  
the watch returns to a lower temperature.  
Exposure Level (Brightness)  
Approximate  
Exposure Time  
Outdoor Sunlight (50,000 lux)  
5 minutes  
Warning!  
Sunlight Through a Window (10,000 lux)  
Daylight Through a Window on a Cloudy Day (5,000 lux)  
Indoor Fluorescent Lighting (500 lux)  
24 minutes  
48 minutes  
8 hours  
Leaving the watch in bright light to charge its rechargeable battery can cause it  
to become quite hot.Take care when handling the watch to avoid burn injury.  
The watch can become particularly hot when exposed to the following  
conditions for long periods.  
On the dashboard of a car parked in direct sunlight  
For details about the battery operating time and daily operating conditions, see the  
“Power Supply” section of the Specifications (page E-56).  
Stable operation is promoted by frequent exposure to light.  
Too close to an incandescent lamp  
Under direct sunlight  
E-44  
E-45  
Recovery Times  
Reference  
The table below shows the amount exposure that is required to take the battery from  
one level to the next.  
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.  
Exposure Level  
(Brightness)  
Approximate Exposure Time  
Level 5  
Level 4  
3 hours  
9 hours  
17 hours  
Level 3  
Level 2  
23 hours  
115 hours  
234 hours  
Level 1  
7 hours  
31 hours  
63 hours  
Stopwatch  
Outdoor Sunlight  
(50,000 lux)  
Sunlight Through a  
Window (10,000 lux)  
Daylight Through a  
Window on a Cloudy  
Day (5,000 lux)  
Indoor Fluorescent  
Lighting (500 lux)  
You can use lap time measurement to time how long it takes to complete a specific  
portion (such as a single lap) of a race.  
You can use split time measurement to time how long it takes to get from the start to  
a specific point in a race.  
Memory Management  
Each time you press D to start a new elapsed time or lap/split operation in the  
Stopwatch Mode (page E-17), the watch automatically creates a new “log” in its  
memory. The log remains open for data storage until you permanently close it by  
pressing B to clear the stopwatch to all zeros.  
202 hours  
- - - - - - - - - - - - - - - -  
The above exposure time values are all for reference only. Actual required exposure  
times depend on lighting conditions.  
The watch has enough memory to hold up to 121 records. Each log title screen (start  
date and time) and lap/split time uses up one record.  
E-46  
E-47  
A log title screen identifies a single elapsed time operation, from the start up to the  
point the stopwatch is reset to all zeros.  
If you are adding records to a log when there are multiple logs in memory and watch  
memory becomes full, adding another record causes the oldest log in memory and  
all of its records to be deleted automatically to make room for new records.  
A lap/split time record is stored under a log title screen each time you perform a lap/  
split operation.  
How Stopwatch Data is Stored  
The following table describes how data is stored when you perform the various button  
operations described on page E-18.  
Example 1  
Single elapsed time measurement  
Log title screen + 120 lap records = 121 records  
Example 2  
Multiple elapsed time measurements  
Measurement 1 log title screen + 60 lap records = 61 records  
Measurement 2 log title screen + 59 lap records = 60 records  
Stopwatch Button Operation  
D Start (from all zeros)  
Data Store Operation  
Creates a new log for the current date. (The log  
is updated as timing progresses.)  
Time measurement stops, without storing data in  
memory.  
Time measurement re-starts, without storing  
data in memory.  
Creates new record: displayed lap/split times  
Creates new record: displayed lap/split times  
(Stopwatch display is cleared to all zeros.)  
D Stop  
Use the Recall Mode to view stopwatch records (page E-21).  
If watch memory is already full when you perform a stopwatch button operation that  
creates a new log, the oldest log in memory and all of its records are deleted  
automatically to make room for the new log.  
If you are adding records to the only log in memory and watch memory becomes  
full, adding another record causes the oldest record in the log to be deleted  
automatically to make room for the new record.  
D Re-start  
B Lap/Split  
B Clear  
E-48  
E-49  
 
Operation Guide 3271  
Button Operation Tone  
Power Saving Function  
The button operation tone sounds any time you press one  
of the watch’s buttons.You can turn the button operation  
tone on or off as desired.  
Even if you turn off the button operation tone, alarms,  
the Hourly Time Signal, and other beepers all operate  
normally.  
When turned on, the Power Saving function enters a  
Mute indicator  
Power saving indicator  
sleep state automatically whenever the watch is left in an  
area for a certain period where it is dark. The table below  
shows how watch functions are affected by the Power  
Saving function.  
To turn the button operation tone on and off  
1. In the Timekeeping Mode, hold down A until the city  
Elapsed Time  
in Dark  
Display  
Operation  
code starts to flash, which indicates the setting screen.  
2. Press C nine times until the current button operation  
tone setting (  
3. Press D to toggle the setting between  
and (tone off).  
4. Press A to exit the setting screen.  
60 to 70 minutes Blank, with Power Saving All functions enabled, except for the  
indicator flashing display  
Blank, with Power Saving Beeper tone, illumination, and display  
indicator not flashing are disabled.  
or  
) appears.  
(tone on)  
6 or 7 days  
The mute indicator is displayed in all modes when the  
Wearing the watch inside the sleeve of clothing can cause it to enter the sleep state.  
button operation tone is turned off.  
E-50  
E-51  
The watch will not enter the sleep state between 6:00 AM and 9:59 PM. If the watch  
is already in the sleep state when 6:00 AM arrives, however, it will remain in the  
sleep state.  
Auto Return  
If you do not perform any operation for about two or three minutes while a setting  
screen (with a flashing setting) is on the display, the watch will exit the setting screen  
automatically.  
To recover from the sleep state  
Perform any one of the following operations.  
Move the watch to a well-lit area.  
Press any button.  
Scrolling  
The B and D are used in various modes and setting screens to scroll through data  
on the display. In most cases, holding down these buttons during a scroll operation  
scrolls at high speed.  
To turn Power Saving on and off  
1. In the Timekeeping Mode, hold down A until the city  
code starts to flash, which indicates the setting screen.  
2. Press C 11 times until the Power Saving on/off screen  
appears.  
3. Press D to toggle Power Saving on (  
4. Press A to exit the setting screen.  
Initial Screens  
When you enter the World Time Mode or Alarm Mode, the data you were viewing  
when you last exited the mode appears first.  
) and off (  
).  
The Power Saving indicator is on the display in all  
modes while Power Saving is turned on.  
On/Off status  
E-52  
E-53  
Timekeeping  
Specifications  
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.  
Accuracy at normal temperature: 30 seconds a month  
Timekeeping: Hour, minutes, seconds, p.m. (P), year, month, day, day of the week  
Time format: 12-hour and 24-hour  
Calendar system: Full Auto-calendar pre-programmed from the year 2000 to 2099  
Other: Home City code (can be assigned one of 48 city codes); Standard Time /  
Daylight Saving Time (summer time)  
Stopwatch: Time measurements  
Measuring unit: 1/100 for the first 10 hours, and then 1 second after 10 hours  
Measuring capacity: 99:59'59"  
The year can be set in the range of 2000 to 2099.  
The watch’s built-in full automatic calendar makes allowances for different month  
lengths and leap years. Once you set the date, there should be no reason to change  
it except after you have the watch’s battery replaced.  
The current time for all city codes in the Timekeeping Mode and World Time Mode is  
calculated in accordance with the Coordinated Universal Time (UTC) for each city,  
based on your Home City time setting.  
Measuring modes: Elapsed time, lap/split times  
Memory capacity: 121 records (used by lap/split time records and log title screens)  
Countdown Timer:  
World Time  
Number of timers: 2 (one set)  
Setting unit: 5 seconds  
The seconds count of the World Time is synchronized with the seconds count of the  
Timekeeping Mode.  
Range: 99 minutes 55 seconds each timer  
Countdown unit: 1 second  
Number of repeats: 1 to 10  
Other: 5-second time up beeper  
E-54  
E-55  
World Time: 48 cities (31 time zones)  
Other: Daylight Saving Time/Standard Time  
Alarms: 5 daily alarms (four one-time alarms; one snooze alarm); Hourly Time Signal  
Illumination: LED (light-emitting diode); Selectable illumination duration  
Other: Button operation tone on/off  
Power Supply: Solar cell and one rechargeable battery  
Approximate battery operating time: 11 months (from full charge to Level 4) under  
the following conditions:  
Watch not exposed to light  
City Code Table  
Internal timekeeping  
Display on 18 hours per day, sleep state 6 hours per day  
1 illumination operation(1.5 second) per day  
10 seconds of alarm operation per day  
Frequent use of illumination runs down the battery.  
E-56  
L-1  
City Code Table  
City  
UTC Offset/  
City  
UTC Offset/  
City  
UTC Offset/  
City  
City  
City  
Code  
GMT Differential  
Code  
GMT Differential  
Code  
GMT Differential  
City  
Code  
UTC Offset/  
City  
RIO Rio De Janeiro  
FEN Fernando de Noronha  
RAI  
UTC  
LIS  
LON  
MAD  
PAR  
ROM  
BER  
STO  
ATH  
CAI  
–3  
–2  
–1  
MOW  
JED  
THR  
DXB  
KBL  
KHI  
DEL  
KTM  
DAC  
RGN  
BKK  
Moscow  
Jeddah  
Tehran  
Dubai  
Kabul  
Karachi  
Delhi  
Kathmandu  
Dhaka  
Yangon  
Bangkok  
SIN  
HKG  
BJS  
Singapore  
Hong Kong  
Beijing  
Taipei  
Seoul  
Tokyo  
Adelaide  
Guam  
Sydney  
Noumea  
Wellington  
GMT Differential  
+3  
PPG  
HNL  
ANC  
YVR  
LAX  
YEA  
DEN  
MEX  
CHI  
Pago Pago  
Honolulu  
Anchorage  
Vancouver  
Los Angeles  
Edmonton  
Denver  
–11  
–10  
–9  
+8  
Praia  
+3.5  
+4  
+4.5  
+5  
+5.5  
+5.75  
+6  
+6.5  
+7  
TPE  
SEL  
TYO  
ADL  
GUM  
SYD  
NOU  
WLG  
Lisbon  
London  
Madrid  
Paris  
Rome  
Berlin  
Stockholm  
Athens  
Cairo  
0
+1  
+2  
+9  
+9.5  
+10  
–8  
–7  
Mexico City  
Chicago  
–6  
+11  
+12  
NYC  
SCL  
YHZ  
YYT  
New York  
Santiago  
Halifax  
–5  
–4  
Based on data as of December 2010.  
The rules governing global times (UTC offset and GMT differential) and summer  
JRS  
Jerusalem  
St. Johns  
–3.5  
time are determined by each individual country.  
L-2  
L-3  
 

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