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Operation Guide 3311 5052

World Time

The World Time Mode digitally displays the current time in

City Code

30 cities (29 time zones) around the world.

• Pressing A in the World Time Mode causes the

applicable city code to appear on the digital display for

about two seconds.

• If the current time shown for a city is wrong, check your

Home City time settings and make the necessary

changes.

• The watch will perform a signal reception even if it is in

the World Time Mode when a calibration time is

reached. If this happens, the World Time Mode time

settings will be adjusted in accordance with the

Timekeeping Mode's Home City time.

Current time in the

• All of the operations in this section are performed in the

selected city code

World Time Mode, which you enter by pressing C.

To view the time in another city

While in the World Time Mode, press D to scroll through the city codes (time zones).

• For full information on city codes, see the "City Code Table".

To toggle a city code time between Standard Time and Daylight Saving Time

1. In the World Time Mode, use D to display the city code

(time zone) whose Standard Time/Daylight Saving Time

setting you want to change.

• Pressing A in the World Time Mode causes the

applicable city code to appear on the digital display for

about two seconds.

2. Hold down A to toggle Daylight Saving Time (DST

indicator displayed) and Standard Time (DST indicator

not displayed).

• Note that you cannot use the World Time Mode to

DST indicator

change the DST setting of the Home City code you

currently have selected in the Timekeeping Mode. See

"To change the Daylight Saving Time (summer time)

setting" for information about turning the Home City

code DST setting on and off.

• The DST indicator will appear on the display whenever you display a city code for

which Daylight Saving Time is turned on.

• Note that you cannot switch between Standard Time and Daylight Saving Time while

GMT is selected as the city code.

• Note that the DST/Standard Time setting affects only the currently displayed city

code. Other city codes are not affected.

Alarms

You can set three independent Daily Alarms. When an

On/Off status

alarm is turned on, the alarm tone sounds when the alarm

Alarm

Mode

time is reached. You can also turn on an Hourly Time

indicator

number

Signal that causes the watch to beep twice every hour on

the hour.

• The alarm and Hourly Time Signal operate in

accordance with the current digital time.

• The alarm number (AL1 though AL3) indicates an alarm

screen. SIG appears in place of the alarm number when

the Hourly Time Signal screen is shown.

Alternate at

• All of the operations in this section are performed in the

two-second

Alarm Mode, which you enter by pressing C.

interval

Alarm time

(Hour : Minutes)

To set an alarm time

1. In the Alarm Mode, press D to select the alarm whose

time you want to set.

AL1

2. Hold down A until the hour setting of the alarm time

starts to flash, which indicates the setting screen.

• This automatically turns on the alarm.

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.

• 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).

• If you have 24-hour timekeeping selected in the Timekeeping Mode, the alarm

time is also displayed in 24-hour format.

5. Press A to exit the setting screen.

Alarm Operation

The alarm sounds in all modes at the preset time for about 10 seconds, or until you

stop it by pressing any button.

To test the alarm

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

To turn an alarm and the Hourly Time Signal on and off

1. In the Alarm Mode, press D to select an alarm or the Hourly Time Signal.

2. When the alarm or the Hourly Time Signal you want to set is selected, press A to

turn it on and off.

AL2

AL3

SIG

Stopwatch

The stopwatch lets you measure elapsed time, split times,

1/100

and two finishes.

Seconds

second

• The display range of the stopwatch is 99 minutes, 59.99

seconds.

• The 1/100-second value appears while the elapsed time

operation is stopped or while a split time is frozen on the

display.

Elapsed Time Screen

More than

one minute

Elapsed time

(Minutes : Seconds)

Minutes

Seconds

Split Time Screen

Split time

Split indicator

(Minutes : Seconds)

• The stopwatch continues to run, restarting from zero after it reaches its limit, until

you stop it.

• Exiting the Stopwatch Mode while a split time is frozen on the display clears the split

time and returns to elapsed time measurement.

• The stopwatch measurement operation continues even if you exit the Stopwatch

Mode.

• 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

Split Time

➤

Start

Split

Split release

Two Finishes

➤

Start

Split

Stop

First runner

Second runner

finishes.

Display time of

first runner.

Illumination

An LED (light-emitting diode) and a light guide panel

illuminate the digital display for easy reading in the dark.

• See "Illumination Precautions" for other important

information.

To illuminate the display

In any mode, press B to illuminate the display.

• You can specify 1.5 seconds or 2.5 seconds as the

illumination duration. See "To set the current digital time

and date manually" for more information.

Power Supply

This watch is equipped with a solar cell and a special rechargeable battery (secondary

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.

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.

• You should try to keep the watch

outside of your sleeve as much as

possible. Charging is reduced

significantly if the face is only partially

covered.

Important!

• 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. Make sure that the watch is exposed to bright light whenever

possible.

• This watch uses a special 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 special rechargeable battery to charge fully, contact your dealer

or CASIO distributor about having it replaced.

• Never try to remove or replace the watch's special battery yourself. Use of the wrong

type of battery can damage the watch.

• The current time and all other settings return to their initial factory defaults whenever

battery power drops to Level 4 and when you have the battery replaced.

• Turn on the watch's Power Saving function 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.

1/100 second

➤

Stop

Clear

➤

Stop

Clear

➤

Split release

Clear

Display time of

second runner.

Solar cell