MA0508-EA
Operation Guide 3793
About This Manual
• 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 B to change from mode to mode. After you perform an operation (except for
C) in any mode, pressing B returns to the Timekeeping Mode.
• In any mode, press C to illuminate the display.
Timekeeping Mode
Telememo Mode
World Time Mode
Alarm Mode
Countdown Timer
Mode
Stopwatch
Mode
Hand Setting
Mode
Press
.
To toggle between 12-hour and 24-hour timekeeping
Timekeeping
In the Timekeeping Mode, press D to toggle between 12-hour timekeeping (indicated
by A or P on the display), or 24-hour timekeeping.
This watch features separate digital and analog timekeeping. The procedures for
setting the digital time and analog time are different.
• In the Timekeeping Mode, press A to toggle the display between the date screen
and the time screen.
• 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 the A (AM) 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, without
Date Screen
Time Screen
any indicator.
• The 12-hour/24-hour timekeeping format you select in the Timekeeping Mode is
applied in all modes.
Hour hand
Minute hand
Seconds
Digital Time Daylight Saving Time (DST) Setting
Daylight Saving Time (summer time) advances the digital time setting by one hour
from Standard Time. Remember that not all countries or even local areas use Daylight
Saving Time.
Press
.
Day of week
PM indicator
Hour : Minutes
To toggle the Timekeeping Mode digital 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.
Month – Day
2. Press B once to display the DST setting screen.
3. Press D to toggle between Daylight Saving Time (ON
displayed) and Standard Time (OFF displayed).
4. Press A to exit the setting screen.
Digital Time and Date
Use the Timekeeping Mode to set and view a digital display of the current time and
date. When setting the digital time, you can also configure settings for summer time
(Daylight Saving Time or DST).
• The DST indicator appears on the Timekeeping, Alarm,
and Hand Setting Mode to indicate that Daylight Saving
DST indicator
Time is turned on.
To set the digital time and date
1. In the Timekeeping Mode, hold down A until the
seconds start to flash, which indicates the setting
screen.
2. Press B to move the flashing in the sequence shown
below to select the other settings.
Setting the Analog Time
Perform the procedure below when the time indicated by the analog hands does not
match the time of the digital display.
To adjust the analog time
1. In the Timekeeping Mode, press B six times to enter
the Hand Setting Mode.
2. Hold down A until the current digital time starts to
flash, which indicates the analog setting screen.
3. Press D to advance the analog time setting by 20
seconds.
• Holding down D advances the analog time setting at
high speed.
DST
Hour
Seconds
Minutes
Year
Day
Month
3. When the setting you want to change is flashing, use C and D to change it as
described below.
Screen
FA
To do this:
Reset the seconds to AA
Toggle between Daylight Saving Time (ON) and
Standard Time (OFF)
Change the hour or minutes
Change the year
Do this:
Press D.
Press D.
• If you need to advance the analog time a long way, press D and C at the same
time. This locks the high speed hand movement, so you can release the two
buttons. High-speed hand movement continues until you press any button. It will
also stop automatically after the time advances 12 hours or if an alarm (daily
alarm, Hourly Time Signal, or countdown alarm) starts to sound.
4. Press A to exit the setting screen.
OFF
P
10:08
Press D (+) and C (–).
CAAF
6-30
• To return to the Timekeeping Mode, press B.
Change the month or day
4. Press A to exit the setting screen.
• Resetting the seconds only (without changing the hour, minute, or DST setting)
causes the analog minute hand setting to be adjusted automatically. If you change
the hour, minute, or DST setting, you should also use the procedure under “To
adjust the analog time” to adjust the analog hands accordingly.
• See “Digital Time Daylight Saving Time (DST) Setting” for details about the DST
setting.
• Resetting the seconds to AA 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 AA without changing the minutes.
• The day of the week is automatically displayed in accordance with the date (year,
month, and day) settings.
• 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.
1
Operation Guide 3793
To test the alarm
In the Alarm Mode, hold down D to sound the alarm.
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.
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 A to toggle it on and off.
• The indicators shown below appear on the display when the daily alarm and Hourly
Time Signal are turned on. Each indicator disappears when the corresponding
function is turned off.
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 Telememo, Alarm, or Hand Setting
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.
Alarm 1
on indicator
Hourly time signal
on indicator
• Holding down B for about one second in any mode jumps directly to the
Timekeeping Mode. This operation does not work while a setting screen is on the
display.
Snooze alarm
on indicator
Alarm 2
on indicator
• The above on indicators appear on the display in all modes.
Scrolling
• An on indicator on the display flashes while its corresponding alarm operation is
The C 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.
sounding.
• The snooze alarm on indicator flashes during the 5-minute intervals between
alarms.
Initial Screens
When you enter the Telememo, World Time, or Alarm Mode, the data you were
viewing when you last exited the mode appears first.
Countdown Timer
The countdown timer can be set within a range of one
World Time
Seconds
minute to 24 hours. An alarm sounds when the countdown
• The UTC differentials associated with each city code are used to calculate World
Time Mode times, based on the time you set for any one of the World Time cities.
• 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.
reaches zero.
• All of the operations in this section are performed in the
Countdown Timer Mode, which you enter by pressing
B.
To set the countdown start time
1. In the Countdown Timer Mode, hold down A until the
hour setting of the countdown start time starts to
flash,which indicates the setting screen.
2. Press B to move the flashing between the hour and
minute settings.
Hours
Minutes
Display Illumination Precautions
The light that illuminates the face uses two LEDs (light-emitting diode) and a light
guide panel that cause the display to glow for easy reading in the dark. In any mode
(except when a setting screen is on the display), press C to illuminate the display for
about one second.
3. While a setting is flashing, use D (+) and C (–) to change it.
• To set the starting value of the countdown time to 24 hours, set
4. Press A to exit the setting screen.
0:00.
• The illumination provided by the light may be hard to see when viewed under direct
To use the countdown timer
sunlight.
Press D while in the Countdown Timer Mode to start the
countdown timer.
• When the end of the countdown is reached, the alarm
sounds for 10 seconds or until you stop it by pressing
any button. The countdown time is automatically reset to
its starting value after the alarm stops.
• Press D while a countdown operation is in progress to
pause it. Press D again to resume the countdown.
• To completely stop a countdown operation, first pause it
(by pressing D), and then press A. This returns the
countdown time to its starting value.
• The light automatically stops illuminating whenever an alarm sounds.
• Frequent use of the light shortens the battery life.
Character List
• The countdown timer measurement operation continues
even if you exit the Countdown Timer Mode.
Stopwatch
The stopwatch lets you measure elapsed time, split times,
and two finishes.
• The display range of the stopwatch is 23 hours,
59 minutes, 59.99 seconds.
Seconds
1/100
second
• 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 B.
City Code Table
Hours
Minutes
City
Code
UTC
City
Other major cities in same time zone
Differential
PPG
HNL
ANC
LAX
DEN
Pago Pago
Honolulu
Anchorage
Los Angeles
Denver
–11.0
–10.0
–09.0
–08.0
–07.0
Papeete
Nome
To measure times with the stopwatch
Elapsed Time
San Francisco, Las Vegas, Vancouver, Seattle, Dawson City
El Paso, Edmonton
Houston, Dallas/Fort Worth, New Orleans, Mexico City,
Winnipeg
CHI
Chicago
–06.0
Montreal, Detroit, Miami, Boston, Panama City, Havana,
Lima, Bogota
Start
Stop
Split
Split
Re-start
Split release
Stop
Stop
Clear
Clear
Clear
NYC
CCS
New York
Caracas
–05.0
–04.0
–03.0
–02.0
–01.0
+00.0
La Paz, Santiago, Port Of Spain
Split Time
RIO Rio De Janeiro
Sao Paulo, Buenos Aires, Brasilia, Montevideo
– – –
– – –
LON
PAR
BER
CAI
JRS
JED
MOW
THR
DXB
KBL
KHI
DEL
DAC
RGN
BKK
Praia
Start
Stop
London
Paris
Berlin
Cairo
Jerusalem
Jeddah
Moscow
Tehran
Dubai
Kabul
Karachi
Delhi
Dublin, Lisbon, Casablanca, Dakar, Abidjan
Milan, Rome, Madrid, Amsterdam, Algiers, Hamburg,
Frankfurt, Vienna, Stockholm
+01.0
+02.0
+03.0
Two Finishes
Athens, Helsinki, Istanbul, Beirut, Damascus, Cape Town
Kuwait, Riyadh, Aden, Addis Ababa, Nairobi
Start
Split release
Display time of
second runner.
First runner
Second runner
finishes.
+03.5
+04.0
+04.5
+05.0
+05.5
+06.0
+06.5
+07.0
Shiraz
Abu Dhabi, Muscat
finishes.
Display time of
first runner.
Male
Mumbai, Kolkata
Colombo
Dhaka
Yangon
Bangkok
Jakarta, Phnom Penh, Hanoi, Vientiane
Singapore, Kuala Lumpur, Beijing, Taipei, Manila, Perth,
Ulaanbaatar
HKG
Hong Kong
+08.0
TYO
ADL
SYD
NOU
WLG
Tokyo
Adelaide
Sydney
Noumea
Wellington
+09.0
+09.5
+10.0
+11.0
+12.0
Seoul, Pyongyang
Darwin
Melbourne, Guam, Rabaul
Port Vila
Christchurch, Nadi, Nauru Island
*Based on data as of December 2004.
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