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Casio 2050 Manual page 4

Watch

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Warning!
Never try to read your watch when mountain climbing or hiking in
areas that are dark or in areas with poor footing. Doing so is
dangerous and can result in serious personal injury.
Never try to read your watch when running where there is danger of
accidents, especially in locations where there might be vehicular
or pedestrian traffic. Doing so is dangerous and can result in serious
personal injury.
Never try to read your watch when riding on a bicycle or when
operating a motorcycle or any other motor vehicle. Doing so is
dangerous and can result in a traffic accident and serious personal
injury.
When you are wearing the watch, make sure that its auto light switch
is turned off before riding on a bicycle or operating a motorcycle or
any other motor vehicle. Sudden and unintended operation of the
auto light switch can create a distraction, which can result in a traffic
accident and serious personal injury.
To turn the auto light switch on and off
In the Timekeeping Mode, hold down B for two seconds to turn the auto
light switch on (
displayed) and off (
AUTO
In order to protect against running down the battery, the auto light switch
is automatically turned off approximately four hours after you turn it on.
Repeat the above procedure to turn the auto light switch back on if you
want.
The auto light switch on indicator (
while the auto light switch is turned on.
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.
Graphic Area and Text Area
The graphic area shows the passage of
Text area
minutes in the Timekeeping, Dive Time
Graphic area
Measurement, World Time, and Stopwatch
Modes, and the Log Data screen. A segment
appears in the graphic area each time five
A
B
minutes pass.
The text area can show up to four characters,
P
so longer text scrolls continually from right to
M
C
ALM SIG
left.
In the Timekeeping Mode, an animated figure appears in the text area at
00 and 30 seconds, and whenever the backlight is turned on.
Auto Return Feature
After you perform an operation in any mode (except for the backlight
operation), pressing M returns to the Timekeeping Mode.
If you leave a screen with flashing digits or cursor on the display for two
or three minutes without performing any operation, the watch automatically
saves anything you have input up to that point and exits the setting screen.
Data and Setting Scrolling
The B and C buttons are used in various modes and 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.
12-hour/24-hour Timekeeping Formats
The 12-hour/24-hour timekeeping format you select in the Timekeeping Mode
is also applied in the Dive Time Measurement, World Time, and Alarm Modes.
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 pm. No indicator is
shown from midnight to 11:59 am.
With the 24-hour format, times are indicated in the range of 00:00 to
23:59, with 24 indicator.
World Time Mode
The GMT differential is the time difference of the time zone where the
city is located from Greenwich Mean Time.
The seconds count of the World Time is synchronized with the seconds
count of the Timekeeping Mode.
GMT differential is calculated by this watch based on Universal Time
Coordinated (UTC) data.
The time zone that is displayed when you leave the World Time Mode
will still be displayed when you enter the World Time Mode again.
Backlight Precautions
The electro-luminescent (EL) panel loses illuminating power after very
long use.
The illumination provided by the backlight may be hard to see when
viewed under direct sunlight.
The watch will emit an audible sound whenever the display is illuminated.
It does not indicate malfunction of the watch.
The backlight automatically turns off whenever an alarm sounds.
not displayed).
AUTO
) is on the display in all modes
AUTO
Auto light switch precautions
Avoid wearing the watch on the inside of your wrist. Doing so causes the
auto light switch to operate when it is not needed, which shortens battery
life. If you want to wear the watch on the inside of your wrist, turn off the
auto light switch feature.
The backlight may not light if the face of the watch is more than 15 degrees
off the parallel as shown below. Make sure that the back of your hand is
parallel to the ground.
Parallel to ground
More than 15
degrees too high
The backlight turns off in about two seconds, even if you keep the
watch pointed towards your face.
Static electricity or magnetic force can interfere with proper operation of
the auto light switch. If the backlight does not light, try moving the watch
back to the starting position (parallel with the ground) and then tilt it back
toward you again. If this does not work, drop your arm all the way down
so it hangs at your side, and then bring it back up again.
Under certain conditions the backlight may not light until about one second
after you turn the face of the watch towards you. This does not necessarily
indicate malfunction of the backlight.
About the Battery
Whenever battery power is below a certain level, the flashing
appears, display characters appear dim, the backlight may fail to light, the
alarm may fail to sound and the auto light switch does not operate. For safety
reasons, the watch will not enter the Dive Time Measurement Mode when
battery power is low. This is indicated by the message
when you hold down M to enter the Dive Time Measurement Mode. Using
the watch while the battery is low can result in abnormal operation.
Even when the battery power is not low, backlight, alarm, and other
sustained high-power consumption operations can cause the flashing
indicator to appear temporarily. In this case, the
disappear from the display in about 10 minutes. However, note that the
above listed functions, which are normally disabled when battery power is
low, are also disabled while the
display.
CITY CODE TABLE
GMT
City Code
City
Differential
LON
LONDON
+00
PAR
PARIS
+01
IST
ISTANBUL
+02
RED SEA
RED SEA
JED
JEDDAH
+03
THR
TEHRAN
+3.5
DXB
DUBAI
+04
MAURITIUS
MAURITIUS
KBL
KABUL
+4.5
KHI
KARACHI
+05
MALDIVES
MALDIVES
DEL
DELHI
+5.5
DAC
DHAKA
+06
RGN
YANGON
+6.5
BKK
BANGKOK
+07
HKG
HONG KONG
+08
TYO
TOKYO
+09
ADL
ADELAIDE
+9.5
SYD
SYDNEY
+10
GBR
GREAT BARRIER REEF
GUAM
GUAM
NOU
NOUMEA
+11
WLG
WELLINGTON
+12
PPG
PAGO PAGO
–11
HAWAII
HAWAII
–10
TAHITI
TAHITI
ANC
ANCHORAGE
–09
LAX
LOS ANGELES
–08
DEN
DENVER
–07
CHI
CHICAGO
–06
GALAPAGOS
GALAPAGOS
NYC
NEW YORK
–05
CAYMAN
CAYMAN
CCS
CARACAS
–04
RIO
RIO DE JANEIRO
–03
* Based on data as of June 1998.
2050-4
More than 15
degrees too low
indicator
BATT
appearing
indicator should
indicator is temporarily flashing on the
Other major cities in same time zone
DUBLIN, LISBON, CASABLANCA,
DAKAR, ABIDJAN
MILAN, ROME, MADRID, AMSTERDAM,
ALGIERS, HAMBURG, FRANKFURT,
VIENNA, STOCKHOLM, BERLIN
CAIRO, JERUSALEM, ATHENS, HELSINKI,
BEIRUT, DAMASCUS, CAPE TOWN
KUWAIT, RIYADH, ADEN, ADDIS ABABA,
NAIROBI
SHIRAZ
ABU DHABI, MUSCAT
MUMBAI, CALCUTTA
COLOMBO
JAKARTA, PHNOM PENH, HANOI,
VIENTIANE
SINGAPORE, KUALA LUMPUR, BEIJING,
TAIPEI, MANILA, PERTH, ULAANBAATAR
SEOUL, PYONGYANG
DARWIN
MELBOURNE, RABAUL
PORT VILA
CHRISTCHURCH, NADI, NAURU ISLAND
HONOLULU, PAPEETE
NOME
SAN FRANCISCO, LAS VEGAS,
VANCOUVER, SEATTLE, DAWSON CITY
EL PASO, EDMONTON
HOUSTON, DALLAS/FORT WORTH, NEW
ORLEANS, MEXICO CITY, WINNIPEG
MONTREAL, DETROIT, MIAMI, BOSTON,
PANAMA CITY, HAVANA, LIMA, BOGOTA
LA PAZ, SANTIAGO, PORT OF SPAIN
SAO PAULO, BUENOS AIRES, BRASILIA,
MONTEVIDEO

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