Casio 2495 Users Manual QW

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USER’S GUIDE 2495

1

General Guide

•Press C to change from mode to mode.

•In any mode, press B to illuminate the display.

Timekeeping Mode World Time Mode Day Counter Mode Telememo Mode Stopwatch Mode Countdown Timer

Mode

Alarm Mode

Press .

Timekeeping

Use the Timekeeping Mode to set and view the current time and date. You can

also select the color of the “Multi Illuminator” backlight, which uses LEDs to

illuminate the display in different colors.

•In the Timekeeping Mode, press D to toggle the lower part of the display

between the date and world time.

Month – Day

Seconds

World timeCity code type indicator

Day of week

Hour : Minutes

AM/PM

indicator

Press .

Important!

•World Time Mode times will not be correct unless you set the correct current

date and time in the Timekeeping Mode. See “To set the time and date” for

more information.

•Always use standard time when setting the Timekeeping Mode time and

date, even if the area where your Home Time city (the city where you

normally use the watch) is located is currently in Daylight Saving Time

(summer time). After setting the time, turn DST on or off as required. See

“Daylight Saving Time (DST)” 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 C to move the flashing in the sequence

shown below to select other settings.

Seconds HourCity codeDST on/off Minutes

MonthDayBacklight color Year

3. When the setting you want to change is flashing, use D to change it as

described below.

To change this setting

Seconds

DST on/off

City code

Hour, Minutes, Year, Month, Day

Backlight color

Perform this button operation

Press D to reset to 00.

Press D to toggle between DST on (ON displayed)

and off (OF displayed).

Use D to scroll through the available codes until the

one you want to use as your Home Time city is

displayed.

Use D to increase the setting.

Use D to cycle through the available color settings.

•Pressing D while the seconds are in the range of 30 to 59 resets them to

00 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” at the back of

this manual.

•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.

To toggle between 12-hour and 24-hour timekeeping

In the Timekeeping mode, hold down D for about two seconds to toggle

between 12-hour timekeeping and 24-hour timekeeping.

•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.

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.

DST indicator

To toggle the Timekeeping Mode time between DST and Standard Time

1.In the Timekeeping Mode, hold down A until the

seconds start to flash, which indicates the setting

screen.

2.Press C to move the flashing to the DST On/Off

setting.

3.Press D to toggle between Daylight Saving Time

(ON displayed) and standard time (OF displayed).

4.Press A to exit the setting screen.

•The DST indicator appears on the display when

Daylight Saving Time is turned on.

To change the backlight color

1.In the Timekeeping Mode, hold down A until the

seconds start to flash, which indicates the setting

screen.

2.Press C eight times until the backlight color

setting screen appears, and then use D to cycle

through the available color settings as shown

below.

Backlight color

•The following shows how the available color settings affects the backlight

color of the display in each mode.

3. Press A to exit the setting screen.

Mode

Timekeeping

Telememo

Alarm

World Time

Stopwatch

Day Counter

Countdown Timer

Color Setting

Number 11

11

122

22

233

33

3

Tangerine Forest

Pure Red Yellow Green

Tangerine Forest

Yellow Green Pure Red

Forest Tangerine

Green Pure Red Yellow

...........................................

...........................................

World Time

The World Time shows the current time in 40 cities

(27 time zones) around the world.

•The basic time settings of the Timekeeping Mode

and the World Time Mode are synchronized. The

Daylight Saving Time (summer time) settings of the

two modes, however, are independent of each

other.

•All of the operations in this section are performed in

the World Time Mode, which you enter by pressing

C.

To view the time in another city code

In the World Time Mode, press D to scroll city codes

(time zones).

•For full information on city codes, see the “City

Code Table” at the back of this manual.

•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 switch between Standard Time and Daylight Saving Time

In the World Time Mode, hold down A to toggle between Daylight Saving

Time and Standard Time.

DST OFF DST ON

Hold down .

DST indicator

•The above operation toggles all World Time city codes between Daylight Saving

Time and Standard Time. Note that you cannot make settings for individual city

codes.

City code

Hour : Minutes

Seconds

City code type indicator

Home time

(Hour : Minutes

)

Day Counter

The Day Counter lets you count the number of days from the Timekeeping

Mode’s current date to a specific target date.

Text area

Number of

days

DAYS indicator

Year Month – Day

Target date

Alternates at

the 1-second

interval

•Whenever the date specified by any one of the Day Counters matches the

date of the Timekeeping Mode (regardless of the Day Counter’s year setting),

the DAYS indicator flashes in the Timekeeping Mode and Day Counter Mode

screens.

•There are five Day Counter records, each of which can be set with its own

text and target date (year, month, and day).

•All of the operations in this section are performed in the Day Counter Mode,

which you enter by pressing C.

USER’S GUIDE 2495

2

To create a new Day Counter record

1.In the Day Counter Mode, use D to scroll through

the Day Counter records until the one you want is

on the display.

2.Hold down A until the flashing cursor appears in

the text area of the display, which indicates the

setting screen.

3.Press C to move the flashing in the sequence

shown below.

Character 1 Character 8Character 2

Day YearMonth

Text area

Target date

4. While the cursor is in the text area, use D to scroll through characters at the

cursor position. The character changes in the sequence shown below.

to to

(space)

5. After inputting a character, press C to move to the next character position.

6. Repeat steps 4 and 5 until you input the text you want.

•You can input up to eight characters for the text.

7. After you finish inputting the text you want, press C to skip past any

remaining character positions and move the cursor to the target date.

8. While the year, month, or day setting is flashing, use D to change the

setting.

•You can set a target date in the range of January 1, 1940 to December 31,

2039.

9. After everything is the way you want, press A to exit the setting screen.

•The text area display can show only three characters at a time. Longer text

scrolls continuously from right to left. The symbol “s” indicates that the

character to the left is the last, and the character to the right is first.

Note

•Use the above procedure to edit Day Counter records, too.

To recall Day Counter records

In the Day Counter Mode, use D to scroll through the Day Counter records.

To delete a Day Counter record

1. In the Day Counter Mode, scroll through the records and display the one you

want to delete.

2. Hold down A until the flashing cursor appears on the display.

3. Press B and D at the same time to delete the record.

•The message CLR appears to indicate that the record is being deleted.

After the record is deleted, the cursor appears on the display and today’s

date is set as the target date, ready for input.

4. Input data or press A to exit the setting screen.

Telememo

Telememo lets you store up to 20 records, each

containing name and telephone number data. You

can recall records by scrolling through them on the

display.

•All of the operations in this section are performed in

the Telememo Mode, which you enter by pressing

C.

To create a new Telememo record

1.In the Telememo Mode, use D to cycle through

the record screens until the new data screen

appears.

•The new data screen is the one that is blank

(contains no name and telephone number).

•If the new data screen does not appear, 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 A until the flashing cursor (_) appears

in the name area of the display, which indicates the

setting screen.

3.Use D to change the character at the cursor

position in the name area. The character changes

in the following sequence.

to to

(space)

Name area

Page number

Number area

4. When the character you want is at the cursor position, press C to 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 C as 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 C) causes it to jump to the first character in the name.

7. Use D to change the character (hyphen, number, or space) at the cursor

position in the number area. The character changes in the following

sequence.

to (space)

8. When the character you want is at the cursor position, press C to 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.

•The number initially contains all hyphens. You can leave the hyphens or

replace them with numbers or spaces.

10. Press A to store your data and return to the Telememo record screen

(without the cursor).

•The name area can show only three characters at a time, so longer text

scrolls continuously from right to left. The last character is indicated by the

symbol “s” after it.

•The number area can show up to six digits at a time. If a number has more

than six digits, the display automatically switches between the first six digits

(counting forward from the first digit) and the last six digits (counting

backward from the last digit) of the number. This means that if a number is 12

digits long, the number area switches between the first six digits and the last

six digits. If a number is seven digits long, the number area switches between

digits 1 through 6, and 2 through 7.

To recall Telememo records

In the Telememo Mode, use D to scroll through Telememo records on the

display.

To edit a Telememo record

1. In the Telememo Mode, scroll through the records and display the one you

want to edit.

2. Hold down A until the flashing cursor appears on the display.

3. Use C to move the flashing to the character you want to change.

4. Use D to change the character.

•For details on inputting characters, see “To create a new Telememo record”

(step 3 for name input and 7 for number input).

5. After making the changes that you want, press A to store them and exit the

setting screen.

To delete a Telememo record

1. In the Telememo Mode, scroll through the records and display the one you

want to delete.

2. Hold down A until the flashing cursor appears on the display.

3. Press B and D at the same time to delete the record.

•The message CLR 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 A to exit the setting screen.

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.

•While the stopwatch is running, it beeps at the top

of each elapsed hour.

•The stopwatch continues to run, restarting from

zero after it reaches its limit, until you stop it.

•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.

•All of the operations in this section are performed in

the Stopwatch Mode, which you enter by pressing C.

To measure times with the stopwatch

Elapsed Time

Start Stop Re-start Stop Clear

Start Split

(SPL displayed)

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.

1/100 second

Hours

Minutes

Seconds

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 enter by

pressing C.

To set the countdown start time

1.In the Countdown Timer Mode, hold down A until

the hours of the countdown start time start to flash,

which indicates the setting screen.

2. Press C to move the flashing between the hours and minutes.

3. While a setting is flashing, use D to increase it.

•To set the starting value of the countdown time to 24 hours, set 0:00.

4. Press A to exit the setting screen.

To use the countdown timer

Press D while 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 automatically resets to its starting value after the alarm stops.

•Press D while a countdown operation is in progress to pause it. Press D

again to resume the countdown.

•To completely stop a countdown operation, first pause it (by pressing D),

and then press A. This returns the countdown time to its starting value.

Hours

Minutes

Seconds

USER’S GUIDE 2495

3

To turn auto-repeat on and off

1.In the Countdown Timer Mode, hold down A until

the hours of the countdown start time start to flash,

which indicates the setting screen.

2.Press B to toggle auto-repeat on ( displayed)

and off ( not displayed).

3.Press A to exit the setting screen.

•When the end of the countdown is reached while

auto repeat is on, the alarm sounds, but the

countdown restarts from the beginning without

stopping. You can stop the countdown by pressing

D and manually reset to the start time by pressing

A.

•The auto-repeat indicator appears in the

Countdown Timer Mode only.

Auto-repeat indicator

Alarm

The alarm sounds at the preset time each day while

the Daily Alarm is turned on. When the Hourly Time

Signal is turned on, the watch beeps every hour on

the hour.

•You can configure the alarm so it sounds when the

alarm time setting matches the time either in your

current Home Time city or the city currently

selected in the World Time Mode.

•The Hourly Time Signal also sounds in accordance

with the city you specify in the Alarm Mode.

•If you are planning to specify a World Time city in

the Alarm Mode, enter the World Time Mode,

display the city zone you want to use (to select it),

and then enter the Alarm Mode to set the alarm.

•If the DST indicator is on the display in the Alarm Mode, it means that Daylight

Saving Time (summer time) is turned on for the city that is specified in the

Alarm Mode.

•Alarm setting (and Hourly Time Signal setting) is available in the Alarm Mode,

which you enter by pressing C.

Hour : Minutes

Hourly time signal

indicator

Alarm indicato

r

To set the alarm time

1.In the Alarm Mode, hold down A until the city

code flashes on the display, which indicates the

setting screen.

•At this time, the alarm is turned on automatically.

2.

Press

C

to move the flashing in the sequence shown

below.

City code MinutesHour

3.While the city code is flashing, press D to toggle

between your Home Time city (which you selected

in the Timekeeping Mode) and the city that is

currently selected in the World Time Mode.

•The city code type indicator ( ) shows whether

the alarm setting is based on your Home Time

city (HOME) or a World Time Mode city (WORLD).

4. While the hour or minute setting of the alarm time is flashing, press D to

increase it.

5. Press A to exit the setting screen.

•When setting the alarm time using the 12-hour format, take care to set the

time correctly as morning (A displayed) or afternoon (P displayed).

•Changing the city code for the time (Home City time or World Time Mode

time) also causes the Alarm Mode city code to change.

Alarm Operation

The alarm tone sounds at the preset time for about 20 seconds.

•Pressing any button stops the alarm tone.

To test the alarm

In the Alarm Mode, hold down D to sound the alarm.

•Note that pressing D to test the alarm also cycles through the Daily Alarm

and Hourly Time Signal settings described below.

City code

Alarm on indicator

City code type indicator

To turn the Daily Alarm and Hourly Time Signal on and off

In the Alarm Mode, press D to cycle through the Daily Alarm and Hourly Time

Signal settings shown below.

Alarm On Indicator / Hourly Time Signal On Indicator

Both ON Both OFF Daily Alarm

only

Hourly Time

Signal only

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

•If you leave a screen with a flashing setting or a cursor 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.

•If you leave the watch in the Day Counter Mode or Telememo Mode for two

or three minutes without performing any operation, it automatically changes

to the Timekeeping Mode.

Data and Setting Scrolling

The D 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.

Initial Screens

When you enter the World Time, Day Counter or Telememo 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

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 B to illuminate the display for about three seconds.

•The illumination provided by the backlight may be hard to see when viewed

under direct sunlight.

•The backlight automatically turns off whenever an alarm sounds.

•Frequent use of the backlight shortens the battery life.