Casio Clock 2566 User Manual

USER’S GUIDE 2566  
About This Manual  
Button operations are indicated using the letters shown  
in the illustration.  
(Light)  
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  
Press B to change from mode to mode.  
In any mode, press L to illuminate the display.  
Timekeeping Mode  
World Time Mode  
Day Counter Mode  
Alarm Mode  
Stopwatch Mode  
Press  
.
Timekeeping  
Use the Timekeeping Mode to set and view the current time and date. You can also  
select the color of the “Magical Illumination” backlight, which uses LEDs to illuminate  
the display in different colors.  
In the Timekeeping Mode, press C to toggle the lower part of the display between  
the date and world time.  
Daylight Saving Time (DST)  
Daylight Saving Time (summer time) advances the time setting by one hour from  
Standard Time. Remember that not all countries or even local areas use Daylight  
Saving Time.  
To toggle the Timekeeping Mode time between DST and Standard Time  
Hour : Minutes  
Day of week  
1. In the Timekeeping Mode, hold down A until the  
seconds start to flash, which indicates the setting  
screen.  
DST indicator  
2. Press B twice to move the flashing to the DST On/Off  
setting.  
3. Press C to toggle between Daylight Saving Time (ON  
displayed) and standard time (OFF displayed).  
4. Press A to exit the setting screen.  
The DST indicator appears on the display when Daylight  
Saving Time is turned on.  
Press  
.
AM/PM  
indicator  
World Time  
Month – Day Seconds  
City code type  
indicator  
Mode time  
(Hour : Minutes)  
To change the backlight color  
1. In the Timekeeping Mode, hold down A until the  
Important!  
seconds start to flash, which indicates the setting  
screen.  
2. Press B nine times until the backlight color setting  
screen appears, and then use C to cycle through the  
available color settings as shown below.  
Backlight color  
World Time Mode times will not be correct unless you set the correct current date,  
time, and city code in the Timekeeping Mode. See “To set the time and date” for  
more information.  
To set the time and date  
1. In the Timekeeping Mode, hold down A until the  
seconds start to flash, which indicates the setting  
screen.  
2. Press B to move the flashing in the sequence shown  
below to select other settings.  
RBW  
TIM  
SEL  
SEL  
x7x  
x1x  
For this type of backlight:  
Ramdom selection among three gradation patterns  
(Aurora, Sunset, Ocean)  
Select this setting:  
RBW  
12/24-Hour  
Format  
DST  
on/off  
City  
code  
Seconds  
Hour  
Change to one of 12 different colors every hour.  
TIM  
Always use one of seven colors  
SEL x1x : Juicy Red  
SEL x1x through x7x  
Backlight  
color  
Day  
Month  
Year  
Minutes  
SEL x2x : Tangerine Orange  
SEL x3x : Natural  
3. When the setting you want to change is flashing, use C to change it as described  
below.  
SEL x4x : Pure Green  
SEL x5x : Aqua Blue  
SEL x6x : Silky Violet  
SEL x7x : Passion Pink  
To change this setting  
Seconds  
Perform this button operation  
00  
.
Press C to reset to  
In the case of TIM, the same color is used for corresponding AM and PM time.  
3. Press A to exit the setting screen.  
A preset special backlight color pattern is used in place of the current backlight color  
setting during December 24 and December 25 each year.  
12/24-Hour Format  
Press C to toggle between 12-hour (12H) and 24-  
hour (24H) timekeeping.  
DST on/off  
Press C to toggle between DST on (ON displayed)  
and off (OFF displayed).  
City code  
Use  
C
to scroll through the available codes until the  
one you want to use as your Home Time city is displayed.  
Hour, Minutes, Year, Month, Day  
Backlight color  
Use C to increase the setting.  
Use C to cycle through the available color settings.  
00  
Pressing C while the seconds are in the range of 30 to 59 resets them to  
and adds 1 to the minutes. In the range of 00 to 29, the minutes are unchanged.  
For full information on city codes, see the “City Code Table”.  
See “To change the backlight color” for information about backlight color settings.  
4. Press A to exit the setting screen.  
The day of the week is automatically displayed in accordance with the date (year,  
month, and day) settings.  
With the 12-hour format, the P (PM) indicator appears to the left of the hour digits for  
times in the range of noon to 11:59 p.m. and the A (AM) indicator appears to the left  
of the hour digits for times in the range of midnight to 11:59 a.m.  
With the 24-hour format, times are displayed in the range of 0:00 to 23:59, without  
any indicator.  
The 12-hour/24-hour timekeeping format you select in the Timekeeping Mode is also  
applied in all other modes.  
The year can be set in the range of 2000 to 2039.  
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.  
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USER’S GUIDE 2566  
Reference  
City Code Table  
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.  
City  
GMT  
City  
Other major cities in the same time zone  
Code  
differential  
PPG PAGO PAGO  
HNL HONOLULU  
ANC ANCHORAGE  
LAX LOS ANGELES  
SFO SAN FRANCISCO  
YVR VANCOUVER  
–11  
–10  
–9  
Auto Display  
PAPEETE  
NOME  
Auto Display continually changes the contents of the  
digital display.  
To turn off Auto Display  
Press any button (except for L) to turn off Auto Display.  
This returns to the Timekeeping Mode.  
–8  
LAS VEGAS, SEATTLE, DAWSON CITY  
DEN  
CHI  
DENVER  
–7  
–6  
EL PASO, EDMONTON  
To turn on Auto Display  
Hold down B for about two seconds until the watch  
beeps.  
Note that Auto Display cannot be performed while a  
setting screen is on the display.  
CHICAGO  
HOUSTON, DALLAS/FORT WORTH,  
NEW ORLEANS, WINNIPEG  
MEX MEXICO CITY  
NYC NEW YORK  
MONTREAL, DETROIT, BOSTON,  
PANAMA CITY, HAVANA, LIMA, BOGOTA  
–5  
MIA  
MIAMI  
CCS CARACAS  
–4  
–3  
LA PAZ, SANTIAGO, PORT OF SPAIN  
Auto return features  
If you leave a screen with a flashing setting for two or three minutes without  
performing any operation, the watch automatically saves any settings you have  
made up to that point and exits the setting screen.  
SAO PAULO, BUENOS AIRES, BRASILIA,  
MONTEVIDEO  
RIO RIO DE JANEIRO  
GMT  
DUBLIN, LISBON, CASABLANCA, DAKAR,  
ABIDJAN  
+0  
+1  
Scrolling  
LON  
PAR  
MIL  
ROM  
BER  
LONDON  
PARIS  
The C button is used in various modes and setting screens to scroll through data on  
the display. In most cases, holding down this button during a scroll operation scrolls  
through the data at high speed.  
MILAN  
MADRID, FRANKFURT, AMSTERDAM  
VIENNA, ALGIERS, STOCKHOLM, HAMBURG  
,
ROME  
Initial Screens  
BERLIN  
When you enter the World Time or Day Counter Mode, the data you were viewing  
when you last exited the mode appears first.  
IST ISTANBUL  
JRS JERUSALEM  
ATHENS, HELSINKI, BEIRUT, DAMASCUS,  
CAPE TOWN  
+2  
+3  
World Time  
CAI  
CAIRO  
The current time in all World Time Mode cities is calculated in accordance with the  
Greenwich Mean Time (GMT) differential for each city, based on the current Home  
City time setting in the Timekeeping Mode.  
MOSCOW, KUWAIT, RIYADH, ADEN,  
ADDIS ABABA, NAIROBI  
JED  
JEDDAH  
The GMT differential is the time difference between the time zone where the city is  
located and Greenwich Mean Time.  
GMT differential is calculated by this watch based on Universal Time Coordinated  
(UTC) data.  
THR  
DXB  
KBL  
KHI  
MLE  
DEL  
DAC  
RGN  
TEHRAN  
DUBAI  
+3.5  
+4  
SHIRAZ  
ABU DHABI, MUSCAT  
KABUL  
KARACHI  
MALE  
+4.5  
Backlight Precautions  
+5  
The backlight uses an LED (light-emitting diode) and a light guide panel that cause  
the entire display to glow for easy reading in the dark. In any mode, press L to  
illuminate the display for about three seconds.  
DELHI  
+5.5  
+6  
MUMBAI, KOLKATA  
COLOMBO  
DHAKA  
YANGON  
The illumination provided by the backlight may be hard to see when viewed under  
direct sunlight.  
+6.5  
The backlight automatically turns off whenever an alarm sounds.  
Frequent use of the backlight shortens the battery life.  
JAKARTA, PHNOM PENH, HANOI,  
VIENTIANE  
BKK BANGKOK  
+7  
+8  
+9  
HKG HONG KONG  
SIN SINGAPORE  
KUALA LUMPUR, TAIPEI, PERTH, BEIJING,  
MANILA, ULAANBAATAR  
TYO  
SEL  
TOKYO  
SEOUL  
PYONGYANG  
ADL ADELAIDE  
+9.5  
+10  
DARWIN  
SYD  
GUM  
NOU  
SYDNEY  
GUAM  
MELBOURNE, RABAUL  
NOUMEA  
+11  
+12  
PORT VILA  
WLG WELLINGTON  
CHRISTCHURCH, NADI, NAURU ISLAND  
*Based on data as of June 2002.  
3
 

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