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Power Supply

The power supply of this watch uses a solar cell to generate electrical power, which is stored by a rechargeable battery. Using or storing

the watch where it is not regularly exposed to light, or allowing it to be blocked from light by your sleeve as you are wearing it can cause

the power of the rechargeable battery to run down. To ensure stable operation, be sure to allow the watch to be exposed to light as much

as possible when you are wearing or storing it.

Note that all data in memory and all settings are cleared whenever you allow the level of the rechargeable battery to drop to Level 4.

Battery Indicator

Level 1

Normal operation enabled.

Level 2

Normal operation enabled.

Signal reception, tones (alarms, hourly

Level 3

time signal) display illumination, digital

display, and button operations disabled.

All functions, including digital

Level 4

timekeeping, disabled.

• Exposing the watch to direct sunlight or other strong light may

cause the battery level indicator to momentarily indicate a level

that is higher than the actual battery level. Because of this, you

should wait for a short while after charging to check the battery

level indicator.

World Time Mode

World time lets you display the current time in any one of 30 cities

(29 time zones) around the world.

• When you enter the World Time Mode, the screen for the city that

was displayed when you last exited the mode appears first.

• The seconds count in the World Time Mode is linked with the

Timekeeping Mode seconds count.

• Selecting 24-hour timekeeping for the Timekeeping Mode

automatically switches the World Time mode to 24-hour

timekeeping.

Important!

If the World Time Mode time is incorrect, correct the setting of the

current time in the Timekeeping Mode.

• See "To manually set the time and date" for more information.

Operation Guide 2514/2645

Important!

• Even after the battery drops to Level 4, watch operation will

resume as soon as charging starts. However, you should wait until

the battery reaches Level 2 before setting the time and date.

❚ Start charging at Level 3!

If the Level 3 indicator starts to flash, it means that battery power

is very low. Be sure to expose the watch to light for recharging as

soon as possible after the Level 3 indicator starts to flash.

❚ RECOVER Indicator

If you use the light or alarms a number of times during a short

period, the RECOVER indicator may appear on the display to

indicate that the following operations are disabled in order to allow

battery power to recover.

RECOVER indicator

• Display illumination

• Alarm and hourly time signal

• Time calibration signal reception

Normal operation will return after the

battery recovers.

❚ To search for a city

In the World Time Mode, use the D

D (+) and A

A (–)

buttons to scroll through city codes.

• Holding down either button scrolls city codes at high speed.

City Code

GMT Differential

(Back)

(Forward)

World Time

Charging Precautions

Avoid charging the watch in the following locations, and anywhere

else the watch may become very hot.

• On the dashboard of an automobile parked in the sun

• Very close to an incandescent light source or other sources of

heat

• In a location exposed to direct sunlight for long periods

Note that the display panel may become black under very high

temperatures. This is temporary, and the display will appear

normal again at lower temperatures.

Depending on the light source you are using, the

case of the watch may become quite hot during

charging. Take care to guard against burn injury

after charging.

❚ To charge the battery

Point the solar panel (face) of the watch at a light source.

• Remember that even a partial blockage of the solar cell reduced

charging efficiency.

Example: Positioning the watch

Solar Cell

• The illustration shows the resin band mode.

Using Summer Time (DST)

Summer time, or Daylight Saving Time (DST) as is it is called in

some countries, calls for setting clocks ahead one hour during the

summer season. Note that the use of summer time depends on

the country and even the local area.

❚ To turn summer time on and off

In the World Time Mode,

use the D

D and A

buttons to select the city

whose summer time

setting you want to

change.

DST indicator

Press the B

B button to

toggle auto reception ON

and OFF.

• The "DST" indicator appears on the display and

timekeeping is advanced by one hour when summer time is

turned on.

• You can turn summer time on or off independently for each

World Time Mode city. Note, however, that you cannot

change the summer time setting for the "GMT" (Greenwich

Mean Time) zone.

❚ Charging Guide

Required Daily Charging Time

• The following is the daily

Starting from a full charge, it

amount of charging required

should take approximately six

each day to support the

months of operation without

operations under "Daily Use".

further charging under the

conditions described below before

Approximate

Exposure Level

battery drops to Level 3.

Charging

(Brightness)

Daily Use (All time values

Outdoor Sunlight

are approximate.)

(50,000 lux)

• Display Illumination: 1.5

Sunlight Through a

seconds

24 min.

Window (10,000 lux)

• Alarms: 10 seconds

Daylight Through a

• Signal reception: 3 times

Window on a Cloudy Day

48 min.

(5,000 lux)

Making sure the watch is regularly

Indoor Fluorescent

exposed to light ensure stable

Lighting (500 lux)

operation.

• Charge Times Required to Advance to a Higher Level

Approximate Charging Time

Exposure Level

(Brightness)

Level 4

Level 3

Level 2

Level 1

Outdoor Sunlight

52 min.

15 hr.

(50,000 lux)

Sunlight Through a

2 hr.

67 hr.

13 hr.

Window (10,000 lux)

Daylight Through a

Window on a Cloudy

4 hr.

– – –

Day (5,000 lux)

Indoor Fluorescent

37 hr.

– – –

Lighting (500 lux)

• Note that the above charging times are for reference only. Actual

charging time depends on a variety of environmental factors.

City Code List

City

GMT

City

GMT

City Name

Code

Differential

Code

Differential

– – –

–11

JRS

Jerusalem

HNL

–10

Honolulu

JED

Jeddah

ANC

–9

Anchorage

THR

+3.5

Teheran

LAX

–8

Los Angeles

DXB

Dubai

DEN

–7

Denver

KBL

+4.5

Kabul

CHI

–6

Chicago

KHI

Karachi

NYC

–5

New York

DEL

+5.5

Delhi

CCS

–4

Caracas

DAC

Dakar

RIO

–3

Rio de Janeiro

RGN

+6.5

Yangon

– – –

–2

BKK

Bangkok

– – –

HKG

Hong Kong

–1

GMT

Greenwich Mean Time

SEL

Seoul

LON

London

TYO

Tokyo

PAR

Paris

ADL

+9.5

Adelaide

BER

Berlin

SYD

+10

Sydney

ATH

Athens

NOU

Noumea

+11

CAI

Cairo

WLG

+12

Wellington

• The contents of the above table are current as of June 2002.

• Time differentials in the above table are in accordance with

Universal Time Coordinated (UTC).

Time

5 min.

8 hr.

2 hr.