MA0607-EC
Operation Guide 3028
About This Manual
• Depending on the model of your watch, display text
appears either as dark figures on a light background or
light figures on a dark background. All sample displays
in this manual are shown using dark figures on a light
background.
• Button operations are indicated using the letters shown
in the illustration.
• Each section of this manual provides you with the
information you need to perform operations in each
mode. Further details and technical information can be
found in the “Reference” section.
General Guide
• Press C to change from mode to mode.
• In any mode (except when a setting screen is on the display), press B to illuminate
the display.
Timekeeping Mode
Stopwatch Mode
Preset Timer Mode
Countdown Timer Mode
World Time Mode
Alarm Mode
Press
.
To toggle between 12-hour and 24-hour timekeeping
In the Timekeeping Mode, press D to toggle between 12-hour timekeeping and
24-hour timekeeping.
• With the 12-hour format, the P (PM) indicator appears for times in the range of noon
to 11:59 p.m. and no indicator appears to the left of the hour digits 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, without
any indicator.
• The 12-hour/24-hour timekeeping format you select in the Timekeeping Mode is
applied in all other modes.
Timekeeping
Use the Timekeeping Mode to set and view the current
time and date.
Hour : Minutes
Month – Day
Day of week
Read This Before You Set the Time and Date !
The times displayed in the Timekeeping Mode and World
Time Mode are linked. Because of this, make sure you
select a city code for your Home City (the city where you
normally use the watch) before you set the time and date.
• For full information on city codes, see the “City Code
Table”.
• The P indicator is not displayed with the Timekeeping Mode time on the Preset
Timer Mode, Countdown Timer Mode, World Time Mode, and Alarm Mode screens.
Seconds
PM indicator
Stopwatch
To set the time and date
The stopwatch lets you measure elapsed time. The upper
Initial Stopwatch Mode
1. In the Timekeeping Mode, hold down A until the
seconds start to flash, which indicates the setting
screen.
2. Press C to move the flashing in the sequence shown
below to select other settings.
display and lower display can be used for official timing of
Screen
an event or game.
• The measurement range of the upper display is
59 minutes 59 seconds.
• The measurement range of the lower display is
99 minutes 59 seconds.
• The stopwatch continues to run, restarting from zero
after it reaches its limit, until you stop it.
• The stopwatch measurement operation continues even
Seconds
Day
DST
City Code
Year
Hour
Timekeeping Mode time
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.
Month
Minutes
3. When the setting you want to change is flashing, use D and B to change it as
Elapsed Time Screen
described below.
Minutes Seconds
Minutes Seconds
Screen
To do this:
Do this:
•
•
Press D to pause and
restart elapsed time
measurement.
This time measurement cannot be
paused.
It shows the total elapsed time
since the timing operation started.
Reset the seconds to
Press D.
Toggle between Daylight Saving Time (
)
and Standard Time (
)
Change the city code
Use D (east) and B (west).
Use D (+) and B (–).
•
This time measurement (1/100
second) cannot be paused.
Change the hour or minutes
Change the year
To measure times with the stopwatch
Elapsed Time
Change the month or day
• See “Daylight Saving Time (DST)” for details about the DST setting.
4. Press A to exit the setting screen.
Hold down
1
1
Stop*
Re-start
Stop*
Clear
Start
Daylight Saving Time (DST)
*1 Elapsed time measurement in the lower display continues.
Daylight Saving Time (summer time) advances the time setting by one hour from
Standard Time. Remember that not all countries or even local areas use Daylight
Saving Time.
Using the Watch for Official Timing of a Sport Event
After you set a game or event time, the watch will sound an alarm when the time in
the lower display reaches that time.
If the event is interrupted for some reason, you can press D to pause and restart
timing in the upper display. The lower display shows the total elapsed time since the
start of the timing operation. You can calculate the total amount of time that play was
interrupted (lost time or injury time) by subtracting the upper display time from the
lower display time.
To toggle the Timekeeping Mode time between DST and Standard Time
1. In the Timekeeping Mode, hold down A until the
seconds start to flash, which indicates the setting
screen.
2. Press C to display the DST setting screen.
3. Press D to toggle between Daylight Saving Time
(
displayed) and Standard Time (
displayed).
4. Press A to exit the setting screen.
• The DST indicator is on the display while Daylight
Saving Time is turned on.
DST indicator
1
Operation Guide 3028
About the Auto Light Switch
World Time
While the auto light switch is enabled, illumination turns on whenever you position
World Time shows the current time in 48 cities (29 time
zones) around the world.
• When you enter the World Time Mode, the data you
were viewing when you last exited the mode appears
first.
• All of the operations in this section are performed in the
World Time Mode, which you enter by pressing C.
your wrist as described below in any mode.
Timekeeping Mode time
City code
Moving the watch to a position that is parallel to the ground and then tilting it
towards you at more than 40 degrees causes illumination to turn on.
• Wear the watch on the outside of your wrist.
More than 40°
To view the time for another city code
In the World Time Mode, press D to scroll eastward
through city codes.
Parallel to ground
Current time in the zone
of the selected city code
• For full information about city codes, see the “City Code
Table”.
• If the current time for a city is wrong, check your
Timekeeping Mode time and Home city code settings
and make necessary changes.
Warning!
• Always make sure you are in a safe place whenever you are reading the watch
using the auto light switch. Be especially careful when running or engaged in
any other activity that can result in accident or injury. Also take care that
sudden illumination by the auto light switch does not startle or distract others
around you.
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.
• 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.
2. Hold down A for about one second to toggle between
Daylight Saving Time (
Time ( not displayed).
displayed) and Standard
To turn the auto light switch on and off
• The DST indicator is on the display whenever you
display a city code for which Daylight Saving Time is
turned on.
• Note that the DST/Standard Time setting affects only the
currently displayed city code. Other city codes are not
affected.
In the Timekeeping Mode, hold down B for about three seconds to toggle the auto
light switch on (auto light switch indicator displayed) or off (auto light switch indicator
not displayed).
DST indicator
• The auto light switch indicator is on the display in all modes while the auto light
switch is turned on.
• In order to protect against running down the battery, the auto light switch turns off
automatically approximately six hours after you turn it on.
Alarm
When the Daily Alarm is turned on, the alarm sounds for
10 seconds at the preset time each day. When the Hourly
Time Signal is turned on, the watch beeps every hour on
the hour.
• All of the operations in this section are performed in the
Alarm Mode, which you enter by pressing C.
Hourly time signal
on 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.
Timekeeping
Mode time
Graphic Areas
To set the alarm time
The following describes the information indicated by the three graphic areas in each
mode.
1. Hold down A while in the Alarm Mode until the hour
digits start to flash on the display. The hour digits flash
because they are selected.
• This operation automatically turns on the alarm.
Alarm time
(Hour : Minutes)
Graphic area A
Graphic area C
Alarm on indicator
2. Press C to change the selection in the following sequence.
Hour
Minutes
Graphic area B
Graphic Area A Graphic Area B
3. While a setting is flashing, use D and B to change it as described below.
Mode
Graphic Area C
Screen To do this:
Change the hour and minutes
Do this:
Timekeeping
Timekeeping Mode
minutes
Timekeeping Mode
seconds
Timekeeping Mode
10-seconds
Use D (+) and B (–).
• With the 12-hour format, set the time
correctly as a.m. or p.m. (P indicator).
Stopwatch
Stopwatch Time
minutes
Stopwatch Time
1/20-second
Stopwatch Time
10-seconds
4. After you set the alarm time, press A to return to the Alarm Mode.
Preset Timer
Preset Time minutes
Preset Time
1/20-second
Preset Time
10-seconds
To stop the alarm tone after it starts to sound
Press any button.
Countdown
Timer
Countdown Time
minutes
Countdown Time 1/
20-second
Countdown Time
10-seconds
World Time
World Time Mode
minutes
World Time Mode
seconds
World Time Mode
10-seconds
To switch the Daily Alarm and Hourly Time Signal on and off
Press D while in the Alarm Mode to change the status of the Daily Alarm and Hourly
Time Signal in the following sequence.
Alarm
No indication
No indication
No indication
Button Operation Tone
Both on
Both off
Daily Alarm
only
Hourly Time
Signal only
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,
the Hourly Time Signal, the countdown timer alarm, and
the event time alarm all operate normally.
To test the alarm
Hold down D while in the Alarm Mode to sound the alarm.
To turn the button operation tone on and off
MUTE indicator
In any mode (except when a setting screen is on the
display), hold down C to toggle the button operation tone
Illumination
on (
not displayed) and off (
displayed).
This watch has an EL (electro-luminescent) panel that
causes the entire display to glow for easy reading in the
dark. The watch’s auto light switch turns on illumination
automatically when you angle the watch towards your
face for reading.
• Holding down C to turn the button operation tone on or off also causes the watch’s
current mode to change.
•
is displayed in all modes when the button operation tone is turned off.
• The auto light switch must be turned on (indicated by
the auto light switch indicator) for it to operate.
• See “Illumination Precautions” for more important
information.
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. This is true except when the countdown timer number
is flashing on the Countdown Timer Mode screen.
Auto light switch indicator
To illuminate the display
In any mode, press B to turn on illumination.
• The above operation turns on illumination regardless of the current auto light switch
Auto Return Features
• If you leave the watch in the Alarm Mode for two or three minutes without performing
any operation, it changes to the Timekeeping Mode automatically.
• If you leave a screen with flashing digits on the display for two or three minutes
without performing any operation, the watch exits the setting screen automatically.
setting.
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.
• 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.
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Operation Guide 3028
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 “Universal Time Coordinated”, 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.
Illumination Precautions
• The electro-luminescent panel that provides illumination loses power after very long
use.
• Illumination may be hard to see when viewed under direct sunlight.
• The watch may emit an audible sound whenever the display is illuminated. This is
due to vibration of the EL panel used for illumination, and does not indicate
malfunction.
• Illumination turns off automatically whenever an alarm sounds.
• Frequent use of illumination runs down the battery.
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.
• Illumination may not turn on if the face of the watch is
more than 15 degrees above or below parallel. Make
sure that the back of your hand is parallel to the ground.
• Illumination turns off in about one 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 illumination
does not turn on, try moving the watch back to the
starting position (parallel with the ground) and then tilt it
back towards 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, illumination may not turn on until about one second after
you turn the face of the watch towards you. This does not necessarily indicate
malfunction of the auto light switch.
• You may notice a very faint clicking sound coming from the watch when it is shaken
back and forth. This sound is caused by mechanical operation of the auto light
switch, and does not indicate a problem with the watch.
City Code Table
City
Code
UTC
Differential
City
Other major cities in same time zone
PPG
HNL
ANC
YVR
Pago Pago
Honolulu
Anchorage
Vancouver
–11.0
–10.0
–09.0
–08.0
Papeete
Nome
Las Vegas, Seattle/Tacoma, Dawson City
SFO San Francisco
LAX
DEN
MEX
CHI
Los Angeles
Denver
Mexico City
Chicago
–07.0
–06.0
El Paso, Edmonton
Winnipeg, Houston, Dallas/Fort Worth, New Orleans
MIA
Miami
–05.0
Montreal, Detroit, Boston, Panama City, Havana, Lima,
Bogota
La Paz, Santiago, Port Of Spain
NYC
CCS
YYT
New York
Caracas
St. Johns
–04.0
–03.5
–03.0
–01.0
+00.0
RIO Rio De Janeiro
RAI
LIS
LON
BCN
PAR
MIL
ROM
BER
ATH
Sao Paulo, Buenos Aires, Brasilia, Montevideo
Dublin, Casablanca, Dakar, Abidjan
Praia
Lisbon
London
Barcelona
Paris
Milan
Rome
Berlin
Athens
+01.0
+02.0
+03.0
Amsterdam, Algiers, Hamburg, Frankfurt, Vienna,
Stockholm, Madrid
Helsinki, Beirut, Damascus, Cape Town
JNB Johannesburg
IST
CAI
Istanbul
Cairo
Jerusalem
Moscow
Jeddah
Tehran
Dubai
Kabul
Karachi
Male
Delhi
JRS
MOW
JED
THR
DXB
KBL
KHI
MLE
DEL
DAC
RGN
BKK
SIN
Kuwait, Riyadh, Aden, Addis Ababa, Nairobi
+03.5
+04.0
+04.5
+05.0
Shiraz
Abu Dhabi, Muscat
+05.5
+06.0
+06.5
+07.0
+08.0
Mumbai, Kolkata
Colombo
Dhaka
Yangon
Bangkok
Singapore
Hong Kong
Beijing
Jakarta, Phnom Penh, Hanoi, Vientiane
Kuala Lumpur, Taipei, Manila, Perth, Ulaanbaatar
HKG
BJS
SEL
TYO
ADL
GUM
SYD
NOU
WLG
Seoul
Tokyo
+09.0
Pyongyang
Adelaide
Guam
Sydney
Noumea
Wellington
+09.5
+10.0
Darwin
Melbourne, Rabaul
+11.0
+12.0
Port Vila
Christchurch, Nadi, Nauru Island
*Based on data as of June 2005.
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