Casio 2690 Operation Manual - Page 3

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Operation Guide 2690

Alarm Operation

The alarm sounds at the preset time for about 10 seconds, regardless of the mode the

watch is in.

• To stop the alarm tone after it starts to sound, press 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, use D to select an alarm or the

Hourly Time Signal.

2. Press B to toggle it on and off.

• Turning on a Daily Alarm (

the alarm on indicator on its Alarm Mode screen.

• In all modes, the alarm on indicator is shown for any

alarm that is currently turned on.

Alarm on indicator

• The Hourly Time Signal on indicator is shown on the

display in all modes while the Hourly Time Signal is

turned on.

Hourly time signal on

indicator

Stopwatch

The stopwatch lets you measure elapsed time, split times,

Seconds

and two finishes.

Hours

• The display range of the stopwatch is 23 hours,

Minutes

59 minutes, 59.99 seconds.

• 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.

1/100 second

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.

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 Feature

• The watch automatically returns to the Timekeeping Mode if you do not perform any

button operation for two or three minutes in the Travel Data Bank or Alarm 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 exits the setting

screen.

Scrolling

The A and D buttons 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 World Time, Travel Data Bank, or Alarm Mode, the data you were

viewing when you last exited the mode appears first.

Timekeeping

• Resetting the seconds to

while the current count is in the range of 30 to 59

causes the minutes to be increased by 1. In the range of 00 to 29, the seconds are

reset to

without changing the minutes.

• With the 12-hour format, the P (PM) indicator appears on the display for times in the

range of noon to 11:59 p.m. and no indicator appears 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, with

24 indicator.

• The year can be set in the range of 2000 to 2099.

• The watch's built-in full automatic calendar 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.

World Time

• The World Time Mode times are calculated from the current Home City time setting

• The seconds count of the World Time is synchronized with the seconds count of the

• The GMT differential is a value that indicates the time difference between Greenwich

• GMT differential is calculated by this watch based on Universal Time Coordinated

• Turning on DST in the World Time Mode for the city code that you have selected as

AL1

through

AL5

) displays

Backlight Precautions

The backlight uses an EL (electro-luminescent) panel that causes the entire display to

glow for easy reading in the dark. In any mode, press A to illuminate the display for

about one second.

• Note that the backlight does not turn on while a setting screen, or the Travel Data

• The electro-luminescent panel that provides illumination loses power after very long

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

• The watch may emit an audible sound whenever the display is illuminated. This is

• The backlight automatically turns off whenever an alarm sounds.

• Frequent use of the backlight shortens the battery life.

Character List

City Code Table

Code

– – –

Stop

Clear

Stop

Clear

Split release

Clear

– – –

Display time of

GMT

second runner.

RGN

NOU

WLG WELLINGTON

*Based on data as of December 2002.

in the Timekeeping Mode, using the Greenwich Mean Time (GMT) differentials

associated with each city code.

Timekeeping Mode.

Mean Time and the time zone where a city is located.

(UTC) data.

your Timekeeping Mode Home City code also turns on DST for the Home City time.

Bank Mode password input screen is on the display.

use.

direct sunlight.

due to vibration of the EL panel used for illumination, and does not indicate

malfunction.

City

GMT

City

Other major cities in same time zone

Differential

–11

PAGO PAGO

HNL

HONOLULU

–10

PAPEETE

ANC

ANCHORAGE

–09

NOME

SAN FRANCISCO, LAS VEGAS, VANCOUVER, SEATTLE,

LAX

LOS ANGELES

–08

DAWSON CITY

DEN

DENVER

–07

EL PASO, EDMONTON

HOUSTON, DALLAS/FORT WORTH, NEW ORLEANS,

CHI

CHICAGO

–06

MEXICO CITY, WINNIPEG

MONTREAL, DETROIT, MIAMI, BOSTON, PANAMA CITY,

NYC

NEW YORK

–05

HAVANA, LIMA, BOGOTA

CCS

CARACAS

–04

LA PAZ, SANTIAGO, PORT OF SPAIN

RIO

RIO DE JANEIRO

–03

SAO PAULO, BUENOS AIRES, BRASILIA, MONTEVIDEO

–02

–01

PRAIA

+00

DUBLIN, LISBON, CASABLANCA, DAKAR, ABIDJAN

LON

LONDON

PAR

PARIS

MILAN, ROME, MADRID, AMSTERDAM, ALGIERS,

+01

BER

BERLIN

HAMBURG, FRANKFURT, VIENNA, STOCKHOLM

ATH

ATHENS

HELSINKI, ISTANBUL, BEIRUT, DAMASCUS,

+02

CAI

CAIRO

CAPE TOWN

JRS

JERUSALEM

JED

JEDDAH

+03

KUWAIT, RIYADH, ADEN, ADDIS ABABA, NAIROBI, MOSCOW

THR

TEHRAN

+3.5

SHIRAZ

DXB

DUBAI

+04

ABU DHABI, MUSCAT

KBL

KABUL

+4.5

KHI

KARACHI

+05

MALE

DEL

DELHI

+5.5

MUMBAI, KOLKATA

DAC

DHAKA

+06

COLOMBO

YANGON

+6.5

BKK

BANGKOK

+07

JAKARTA, PHNOM PENH, HANOI, VIENTIANE

SINGAPORE, KUALA LUMPUR, BEIJING, TAIPEI, MANILA,

HKG

HONG KONG

+08

PERTH, ULAANBAATAR

SEL

SEOUL

+09

PYONGYANG

TYO

TOKYO

ADL

ADELAIDE

+9.5

DARWIN

SYD

SYDNEY

+10

MELBOURNE, GUAM, RABAUL

NOUMEA

+11

PORT VILA

+12

CHRISTCHURCH, NADI, NAURU ISLAND