Casio 2397 User manual

Module No. 2397 2397-1
ABOUT THIS MANUAL
•Button operations are indicated using the letters shown in the illustration.
•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.
If the digital display of your watch is continuously changing, press any button other than BB
BB
Bto stop it. See “Auto Display” for more information.
GENERAL GUIDE
•Press Dto change from mode to mode. Changing to another mode causes one of a number of different animations to be performed on the display.
•In any mode, press Bto illuminate the display.
Timekeeping Mode Stopwatch
Mode Hand Setting Mode
Alarm ModeData Bank Mode Countdown Timer
Mode
World Time Mode
Press .
City code
TIMEKEEPING
Use the Timekeeping Mode to set and view the current time and date.
•In the Timekeeping Mode, press Eto change the display format as shown below.
Time
Seconds
Seconds
Date
Month – Day
Hour hand
Minute hand
Hour : Minutes
PM indicator
Day of week
Analog
Press .
Read This Before You Set the Time and Date !
The digital times displayed in the Timekeeping Mode and World Time Mode are
linked. Because of this, make sure you select a city code for your Home City (the city
where you normally use the watch).
To set the digital time and date
1. In the Timekeeping Mode, hold down Auntil the city
code starts to flash, which indicates the setting screen.
2. Press Dto move the flashing in the sequence shown
below to select other settings.
Hour
Year
Seconds
Month
City Code
Day
Minutes
12/24-Hour
Format
3. When the setting you want to change is flashing, use Eand Bto change it as
described below.
To change this setting Perform this button operation
Seconds Press Eto reset to 00.
12/24-Hour Format Press Eto toggle between 12-hour (12H) and
24-hour (24H) timekeeping.
City Code, Hour, Minutes,
Year, Month, Day Use E(+) and B(–) to change the setting.
•See “CITY CODE TABLE” for a complete list of available codes.
•Pressing Ewhile the second’s count is in the range of 30 to 59 resets the
seconds to 00 and adds 1 to the minutes. In the range of 00 to 29, the minute’s
count is unchanged.
4. Press Ato exit the setting screen.
Note
•When you use the above procedure to set the digital display time, the hands of the
analog timepiece normally adjust according to your setting.
•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 no 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
an indicator.
•The 12-hour/24-hour timekeeping format you select in the Timekeeping Mode is
applied in all modes.
•The day of the week is automatically displayed in accordance with the date (year,
month, and day) settings.
•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 batteries replaced.
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
1. In the Timekeeping Mode, hold down Auntil the city
code starts to flash, which indicates the setting screen.
2. Press Cto toggle between Daylight Saving Time (DST
displayed) and standard time (DST not displayed).
•Note that you cannot switch between standard time
and Daylight Saving Time while GMT is selected as
the city code.
3. Press Ato exit the setting screen.
•The DST indicator appears on the display to indicate
that daylight saving time is turned on.
Analog Timekeeping
The analog time of this watch is synchronized with the digital time. The analog time
setting is adjusted automatically whenever you change the digital time.
Note
•Whenever you manually change the digital time setting or Home City code, the
hands of the analog timepiece move clockwise or counter clockwise to adjust to the
new setting. If the analog time does not match the digital time for any reason, use
the procedure described under “To adjust the analog time” to match the analog
setting to the digital setting.
•Alarms, the hourly time signal, and the backlight are all disabled while the analog
hands are moving.
•Whenever you need to manually adjust both the digital and the analog time settings,
make sure you adjust the digital setting first.
•Depending on how much the hands have to move in order to adjust to the digital
time, it may take some time before the analog hands stop moving.
To adjust the analog time
1. In the Timekeeping Mode, press Dsix times to enter
the Hand Setting Mode.
2. Hold down Auntil the current digital time starts to
flash, which indicates the setting screen.
•Note that you will not be able to change to the setting
screen if the analog hands are moving because the
watch is automatically adjusting the analog time to
match the digital time. If this happens, wait until the
hands stop moving.
3. Use E(+) and B(–) to adjust the analog setting as
described below.
When you want to do this:
Move the hand setting forward 20 seconds.
Move the hand setting back 20 seconds.
Move the hand setting a short way forward
at high speed.
Move the hand setting a short way back at
high speed.
Move the hand setting a long way forward at
high speed.
Move the hand setting a long way back at
high speed.
Perform this button operation:
Press E.
Press B.
•Hold down E.
•Release Ewhen the hands reach the
setting you want.
•Hold down B.
•Release Bwhen the hands reach the
setting you want.
•While holding down Eto move the hands
at high-speed, press Bto lock the high-
speed hand movement.
•Press any button when the hands are
close to the setting you want.
• Hand movement stops automatically if the
hour hand makes one full (12-hour)
revolution.
•While holding down Bto move the hands
at high-speed, press Eto lock the high-
speed hand movement.
•Press any button when the hands are
close to the setting you want.
•Hand movement stops automatically if the
hour hand makes one full (12-hour)
revolution.
4. Press Ato exit the setting screen.
•To return to the Timekeeping Mode, press D.
Current digital time

2397-2
WORLD TIME
World Time shows the current time in 27 cities (29 time zones) around the world.
•All of the operations in this section are performed in the World Time Mode, which
you enter by pressing D.
To view the time in another city code
In the World Time Mode, press Eto scroll forward through the city codes. Pressing
Acycles through the three screens shown below for the currently selected city code.
Current time in the zone of the selected city code
City code Home Time
Differential GMT Differential
City code
Press .
•The Home Time Differential indicates time difference between the selected city and
your Timekeeping Mode Home City time, and the GMT Differential indicates time
difference between the selected city and GMT (Greenwich Mean Time).
•For full information about city codes, see the “CITY CODE TABLE”.
•If the current time shown for a city is wrong, check your Timekeeping Mode time and
Home City code settings and make the necessary changes.
To toggle a city code time between standard time and Daylight Saving Time
1. In the World Time Mode, press Eto display the city
code whose standard time/Daylight Saving Time setting
you want to change.
2. Hold down Afor about two seconds to toggle Daylight
Saving Time (DST displayed) and standard time (DST
not displayed).
•The DST indicator is on the display whenever you
display a city code for which Daylight Saving Time is
turned on.
•Note that the DST/Standard 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
GMT is selected as the city code.
Changing Your Home City
Use the World Time Mode to change the city code of your Home City, when you travel
to another time zone. Performing this operation automatically changes the
Timekeeping Mode time and date settings in accordance with the city code you select.
To change the city code of your Home City
Example: When you plan to take a trip from Tokyo (your Home City) to London.
1. In the World Time Mode, display the city code for the city you want to make your
Home City (LON, in this example).
2. Hold down Cfor about one second, until the city code starts to change on the
display. Note that it takes a number of seconds before the city code change
operation (from LON to TYO) is completed by the watch.
•Changing the Home City setting causes the analog hands of the watch to adjust
automatically to the time of the city code you selected in step 1 (London).
•Each time you hold down Cfor about one second at this point toggles the
displayed World Time city code between TYO (indicating LON is the Home City) and
LON (indicating TYO is the Home City).
•Note that you cannot display the Home Time differential screen (by pressing A)
while the analog hands are moving.
DATA BANK MODE
The Data Bank Mode lets you store up to 20 records,
each containing name and telephone number data.
Records are automatically sorted based on the characters
of the name. You can recall records by scrolling through
them on the display.
•See “CHARACTER LIST” for details on how the watch
sorts records.
•The watch comes with the names OFFICE, HOME, and
FAMILY pre-programmed in the Data Bank Mode. You
can use these names as they are, or you edit or delete
them, if you want.
•All of the operations in this section are performed in the
Data Bank Mode, which you enter by pressing D.
To create a new Data Bank record
1. In the Data Bank Mode, press Euntil the new data
screen appears.
•The new data screen is the one that is blank (contains
no name and telephone number).
•If the message FUL appears on the display, it means
that memory is full. To store another record, you will
first have to delete some of the records stored in
memory.
2. Hold down Auntil the flashing cursor ( ) appears in
the name area of the display, which indicates the
setting screen.
3. Use Eand Bto change the character at the cursor position in the name area.
The character changes in the following sequence.
(space) Ato Z0to 9
Press . Press .
4. When the character you want is at the cursor position, press Dto move the cursor
to the right.
5. Repeat steps 3 and 4 until the name is complete.
•You can input up to eight characters for the name.
6. After you input the name, press Das many times as necessary to move the cursor
to the number area.
•When the cursor is located at the eighth space of the name area, moving the
cursor to the right causes it to jump to the first digit of the number. When the
cursor is at the 12th digit of the number, moving it to the right (by pressing D)
causes it to jump to the first character in the name.
7. Use Eand Bto change the character (hyphen, number, or space) at the cursor
position in the number area. The character changes in the following sequence.
Press .
Press . 0to 9(space)
8. When the character you want is at the cursor position, press Dto move the cursor
to the right.
9. Repeat steps 7 and 8 until you complete number input.
•You can input up to 12 digits for the number.
10. Press Ato store your data and return to the Data Bank record screen (without
the cursor).
•When you press Ato store data, the message SORT appears on the display for a
while, indicating that data is being sorted. After the sort operation is complete, the
Data Bank record screen appears.
•When the name or telephone number has more than three characters, it scrolls from
right to left on the display. The end of the name data is indicated by the symbol .
•Pressing Cpauses the right-to-left scrolling of the name or telephone number.
Press Cagain to resume scrolling.
To recall Data Bank records
In the Data Bank Mode, press E(+) to scroll through Data Bank records on the
display.
To edit a Data Bank record
1. In the Data Bank Mode, scroll through the records and display the one you want to
edit.
2. Hold down Auntil the flashing cursor appears on the display.
3. Use Dto move the flashing to the character you want to change.
4. Use Eand Bto change the character.
•For details on inputting characters, see “To create a new Data Bank record” (step
3 for name input and 7 for number input).
5. After making the changes that you want, press Ato store them and return to the
Data Bank record screen.
To delete a Data Bank record
1. In the Data Bank Mode, scroll through the records and display the one you want to
delete.
2. Hold down Auntil the flashing cursor appears on the display.
3. Press Band Eat the same time to delete the record.
•The message CLEAR appears to indicate that the record is being deleted. After
the record is deleted, the cursor appears on the display, ready for input.
4. Input data or press Ato return to the Data Bank record screen.
Name
Record
number
Te lephone
number
Remaining memory
Name area
Number area

2397-3
COUNTDOWN TIMER
The countdown timer can be set within a range of
1 minute to 24 hours. An alarm sounds when the
countdown reaches zero.
•You can also select auto-repeat, which automatically
restarts the countdown from the original value you set
whenever zero is reached.
•Countdown timer functions are available in the
Countdown Timer Mode, which you can enter using D.
Setting the Countdown Start Time
Perform the following steps to set the Countdown start time.
To set the countdown start time
1. In the Countdown Timer Mode, hold down Auntil the
hour digit of the countdown start time starts to flash,
which indicates the setting screen.
2. Use the button operations described below to set the
countdown start time.
When you want to do this:
Move the flashing between the hour and
minutes.
Scroll the flashing hour or minutes.
Advance the countdown start time setting by
15-minute increments.
Clear the countdown start time to 0:00.
Perform this button operation:
Press D.
Use E(+) and B(–).
Press C.
Hold down Cfor about two seconds.
•To perform a 24-hour countdown, set a start time of 0:00.
3. Press Ato exit the setting screen.
To use the countdown timer
Press Ewhile in the Countdown Timer Mode to start the countdown timer.
•When the end of the countdown is reached and auto-repeat is turned off, the alarm
sounds for 10 seconds or until you stop it by pressing any button. The countdown
time is automatically reset to its starting value after the alarm stops.
•Press Ewhile a countdown operation is in progress to pause it. Press Eagain to
resume the countdown.
•To completely stop a countdown operation, first pause it (by pressing E), and then
press A. This returns the countdown time to its starting value.
To turn auto-repeat on and off
While the countdown start time is displayed on the
Countdown Timer Mode screen, press Cto toggle auto-
repeat on ( displayed) and off ( not displayed).
•When the end of the countdown is reached and auto-
repeat is turned on, the alarm sounds, but the
countdown starts again automatically whenever the
countdown reaches zero. You can stop timing by
pressing E, and manually reset to the starting
countdown time by pressing A.
•Frequent use of auto-repeat and the alarm can run
down battery power.
STOPWATCH
The stopwatch lets you measure elapsed time, split times,
and two finishes.
•The display range of the stopwatch is 23 hours, 59
minutes, 59.99 seconds.
•The stopwatch continues to run, restarting from zero
after it reaches its limit, until you stop it.
•All of the operations in this section are performed in the
Stopwatch Mode, which you enter by pressing D.
•The stopwatch measurement operation continues even
if you exit the Stopwatch Mode.
•Exiting the Stopwatch Mode while a split time is frozen
on the display clears the split time and returns to
elapsed time measurement.
To measure times with the stopwatch
Elapsed time
Start Stop Re-start Stop Clear
Start Split Split release Stop Clear
Start Split Stop Split release Clear
Split time
Two Finishes
First runner
finishes.
Display time of
first runner.
Second runner
finishes. Display time of second runner.
Hours
Minutes
1/100
second
Seconds
Alarm number
Alarm time
(Hour : Minutes)
ALARM
You can set five independent Daily Alarms. When an
alarm is turned on, the alarm tone sounds when the
Timekeeping Mode digital time is reached. You can also
turn on an Hourly Time Signal that causes the watch to
beep twice every hour on the hour.
•Alarm settings (and Hourly Time Signal settings) are
available in the Alarm Mode, which you can enter using
D.
Setting the Alarm Time
A selection of setting options helps to make alarm setting quick and easy.
To set an alarm time
1. In the Alarm Mode, press Eto select the alarm whose
time you want to set.
Alarm 1 Alarm 2 Alarm 3
Time Signal Alarm 5 Alarm 4
•The alarm number (AL1 though AL5) indicates an
alarm screen. SIG appears in place of the alarm
number when the Hourly Time Signal screen is
shown.
2. After you select an alarm, hold down Auntil the hour digits of the alarm time start
to flash, which indicates the setting screen.
•This operation automatically turns on the alarm.
3. Use the button operations described below to set the alarm time.
Alarm on indicator
When you want to do this:
Move the flashing between the hour and
minutes.
Scroll the flashing hour or minutes.
Advance the alarm time setting by 30-minute
increments.
Change the setting to the nearest hour (:00)
or half hour (:30) from the current
Timekeeping Mode time.
Perform this button operation:
Press D.
Use E(+) and B(–).
Press C.
Hold down Cfor about two seconds.
•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).
4. Press Ato exit the setting screen.
Daily Alarm Operation
The alarm sounds at the preset time each day for about 20 seconds, or until you stop
it by pressing any button.
•Note that the alarm does not sound while the analog hands are moving after you
change the Home City (Timekeeping Mode) time.
To test the alarm
In the Alarm Mode, hold down Eto sound the alarm.
To turn an alarm and the Hourly Time Signal on and off
1. In the Alarm Mode, press Eto select an alarm or the Hourly Time Signal.
2. When the alarm or the Hourly Time Signal you want to is selected, press Ato turn
it on and off.
ALARM Indicates alarm is on.
SIGNAL Indicates Hourly Time Signal is on.
•The alarm on indicator (ALARM) and the Hourly Time Signal on indicator (SIGNAL)
are shown on the display in all modes while these functions are turned on.
•If any alarm is on, the alarm on indicator is shown on the display when you
change to another mode.
Hours
Minutes
Seconds

2397-4
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 Display Auto Display continually changes the contents of the
digital display. Note that you cannot use any of the
watch’s other functions (except for the backlight) while
Auto Display is turned on.
To turn off Auto Display
Press any button (except for the Bbutton). This returns
to the Timekeeping Mode.
To turn on Auto Display
Hold down Dfor about one to two seconds until the watch beeps.
•Note that Auto Display cannot be performed while a setting screen is on the display.
Auto Return Features
•After you perform an operation in any mode, pressing Dreturns to the Timekeeping
Mode.
•If you leave the watch in the Data Bank, Alarm, or Hand Setting Mode for two or
three minutes without performing any operation, it automatically changes to the
Timekeeping Mode.
•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 any
settings you have made up to that point and exits the setting screen.
Data and Setting Scrolling
The Band Ebuttons 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 through the data at high speed.
Initial Screens
When you enter the Timekeeping, World Time, Data Bank, or Alarm Mode, the data
you were viewing when you last exited the mode appears first.
World Time
•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.
•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.
Backlight Precautions
In any mode, press Bto illuminate the display for about one second.
•The electro-luminescent panel that provides illumination loses power after very long
use.
•The illumination provided by the backlight may be hard to see when viewed under
direct sunlight.
•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.
•The backlight automatically turns off whenever an alarm sounds.
•Frequent use of the backlight shortens the battery life.
1(space) 12 K23 V34 6
2A13 L24 W35 7
3B14 M25 X36 8
4C15 N26 Y37 9
5D16 O27 Z38 –
6E17 P28 039 .
7F18 Q29 140 /
8G19 R30 241 :
9H20 S31 3
10 I21 T32 4
11 J22 U33 5
CHARACTER LIST
*Based on data as of December 2000.
––– –11 PAGO PAGO
HNL HONOLULU –10 PAPEETE
ANC ANCHORAGE –9 NOME
LAX LOS ANGELES –8 SAN FRANCISCO, LAS VEGAS, VANCOUVER, SEATTLE,
DAWSON CITY
DEN DENVER –7 EL PASO, EDMONTON
CHI CHICAGO –6 HOUSTON, DALLAS/FORT WORTH, NEW ORLEANS,
MEXICO CITY, WINNIPEG
NYC NEW YORK –5 MONTREAL, DETROIT, MIAMI, BOSTON, PANAMA CITY,
HAVANA, LIMA, BOGOTA
CCS CARACAS –4 LA PAZ, SANTIAGO, PORT OF SPAIN
RIO
RIO DE JANEIRO –3 SAO PAULO, BUENOS AIRES, BRASILIA, MONTEVIDEO
––– –2
––– –1 PRAIA
GMT LONDON +0 DUBLIN, LISBON, CASABLANCA, DAKAR, ABIDJAN
LON
PAR PARIS +1 MILAN, ROME, MADRID, AMSTERDAM, ALGIERS,
HAMBURG, FRANKFURT, VIENNA, STOCKHOLM, BERLIN
CAI CAIRO +2 ATHENS, HELSINKI, ISTANBUL, BEIRUT, DAMASCUS,
JRS JERUSALEM CAPE TOWN
JED JEDDAH +3
KUWAIT, RIYADH, ADEN, ADDIS ABABA, NAIROBI, MOSCOW
THR TEHRAN +3.5 SHIRAZ
DXB DUBAI +4 ABU DHABI, MUSCAT
KBL KABUL +4.5
KHI KARACHI +5 MALE
DEL DELHI +5.5 MUMBAI, CALCUTTA
DAC DHAKA +6 COLOMBO
RGN YANGON +6.5
BKK BANGKOK +7 JAKARTA, PHNOM PENH, HANOI, VIENTIANE
HKG HONG KONG +8 SINGAPORE, KUALA LUMPUR, BEIJING, TAIPEI, MANILA,
PERTH, ULAANBAATAR
TYO TOKYO +9 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
CITY CODE TABLE
City City GMT Other major cities in same time zone
Code Differential