Casio Baby-G BG1224B-7 Operation Manual Download Page 3

3

Operation Guide 2965

MUTE indicator 

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.

Button Operation Tone

The button operation tone sounds any time you press one
of the watch’s buttons. You can turn the button operation
tone on or off as desired.

Even if you turn off the button operation tone, the alarm,
Hourly Time Signal, and Countdown Timer Mode alarm
all operate normally.

To turn the button operation tone on and off

In any mode (except when a setting screen is on the
display), hold down 

C

 to toggle the button operation tone

on (

MUTE

 not displayed) and off (

MUTE

 displayed).

Holding down 

C

 to turn the button operation tone on or off also causes the watch’s

current mode to change.

The 

MUTE

 indicator is displayed in all modes when the button operation tone is

turned off.

Auto Return Features

If you leave the watch in the Alarm 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.

Scrolling

The 

B

 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 at high speed.

Initial Screens

When you enter the World Time or Alarm Mode, the data you were viewing when you
last exited the mode appears first.

World Time

The seconds count of the World Time is synchronized with the seconds count of the
Timekeeping Mode.

All World Time Mode times are calculated from the current Home City time in the
Timekeeping Mode using UTC time differential values.

The UTC differential is a value that indicates the time difference between a
reference point in Greenwich, England and the time zone where a city is located.

The letters “UTC” is the abbreviation for “Coordinated Universal Time”, which is the
world-wide scientific standard of timekeeping. It is based upon carefully maintained
atomic (cesium) clocks that keep time accurately to within microseconds. Leap
seconds are added or subtracted as necessary to keep UTC in sync with the Earth’s
rotation.

City Code Table

City

City

UTC

Other major cities in same time zone

Code

Differential

Pago Pago

Honolulu

Anchorage

Vancouver

San Francisco

Los Angeles

Denver

Mexico City

Chicago

Miami

New York

Caracas

St. Johns

Rio De Janeiro

Praia

Lisbon

London

Barcelona

Paris
Milan

Rome
Berlin

Athens

Johannesburg

Istanbul

Cairo

Jerusalem

Moscow

Jeddah

Tehran

Dubai
Kabul

Karachi

Male
Delhi

Dhaka

Yangon

Bangkok

Singapore

Hong Kong

Beijing

Seoul
Tokyo

Adelaide

Guam

Sydney

Noumea

Wellington

–11.0
–10.0
–09.0
–08.0

–07.0
–06.0

–05.0

–04.0
–03.5
–03.0
–01.0
+00.0

+01.0

+02.0

+03.0

+03.5
+04.0
+04.5
+05.0

+05.5
+06.0
+06.5
+07.0
+08.0

+09.0

+09.5
+10.0

+11.0
+12.0

Papeete
Nome
Las Vegas, Seattle/Tacoma, Dawson City

El Paso, Edmonton
Winnipeg, Houston, Dallas/Fort Worth, New Orleans

Montreal, Detroit, Boston, Panama City, Havana, Lima,
Bogota
La Paz, Santiago, Port Of Spain

Sao Paulo, Buenos Aires, Brasilia, Montevideo

Dublin, Casablanca, Dakar, Abidjan

Amsterdam, Algiers, Hamburg, Frankfurt, Vienna,
Stockholm, Madrid

Helsinki, Beirut, Damascus, Cape Town

Kuwait, Riyadh, Aden, Addis Ababa, Nairobi

Shiraz
Abu Dhabi, Muscat

Mumbai, Kolkata
Colombo

Jakarta, Phnom Penh, Hanoi, Vientiane
Kuala Lumpur, Taipei, Manila, Perth, Ulaanbaatar

Pyongyang

Darwin
Melbourne, Rabaul

Port Vila
Christchurch, Nadi, Nauru Island

PPG
HNL
ANC
YVR
SFO

LAX

DEN
MEX

CHI
MIA

NYC
CCS

YYT

RIO
RAI

LIS

LON
BCN
PAR

MIL

ROM

BER

ATH
JNB

IST
CAI

JRS

MOW

JED

THR
DXB

KBL

KHI

MLE
DEL
DAC

RGN

BKK

SIN

HKG

BJS
SEL

TYO
ADL

GUM

SYD

NOU
WLG

*Based on data as of December 2004.

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