3
Operation Guide 3263
To use the countdown timer
Press D while in the Countdown Timer Mode to start the
countdown timer.
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sounds for ten seconds or until you stop it by pressing
any button. The countdown time is reset to its starting
value automatically when the alarm sounds.
•D while a countdown operation is in progress to
pause it. Press D again to resume the countdown.
•
it (by pressing D ), and then press A . This returns the
countdown time to its starting value.
Stopwatch
The stopwatch lets you measure elapsed time, split times,
and two finishes.
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59.99 seconds.
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reaches its limit, until you stop it.
•
you exit the Stopwatch Mode.
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on the display clears the split time and returns to elapsed
time measurement.
•
Stopwatch Mode, which you enter by pressing C .
Seconds
Minutes
Hours
1/100 second
To measure times with the stopwatch
Elapsed Time
D D DD A
Start Stop Re-start Stop Clear
Split Time
D A AD A
Start Split
(SPL displayed)
Split release Stop Clear
Two Finishes
D A DA A
Start Split
First runner
finishes. Display
time of first
runner.
Stop
Second runner
finishes.
Split release
Display time of
second runner.
Clear
Illumination
This watch has two LEDs (light-emitting diode) that cause
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 for reading towards your face.
•
auto light switch on indicator) for it to operate.
•
information.
Auto light switch on
indicator
To turn on illumination
In any mode (except when a setting screen is on the display), press B to turn on
illumination.
•
illumination duration. When you press B , the illumination will remain on for about
1.5 seconds or 3 seconds, depending on the current illumination duration setting.
To specify the illumination duration
A until the
seconds start to flash, which indicates the setting
screen.
C nine times to
display the illumination duration setting screen.
D to toggle between 1.5 seconds ( ) and
3 seconds ( ).
Press A to exit the setting screen.
About the Auto Light Switch
While the auto light switch is enabled, illumination turns on whenever you position
your wrist as described below in any mode.
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.
•
Parallel to ground More than 40°
Warning!
•
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.
•
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 about three seconds to toggle the auto
light switch on (auto light switch on indicator displayed) or off (auto light switch on
indicator not displayed).
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switch is turned on.
•
automatically approximately six hours after you turn it 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 Areas
There are two graphic areas named A and B.
Graphic area B
Graphic area A Graphic area A: •
Time Mode, segments indicate the
current time (in units of 10 seconds).
In the Countdown Timer Mode and
Stopwatch Mode, segments indicate the
ongoing timer measurement (in units of
1/10 second).
Graphic area B: •
Time Mode, segments indicate the
current time (in units of one second).
In the Countdown Timer Mode and
Stopwatch Mode, segments indicate the
ongoing timer measurement (in units of
one second).
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.
•
the Hourly Time Signal, and the countdown alarm all
operate normally.
Mute indicator
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 (the mute indicator not displayed) and off (the mute
indicator displayed).
•C to turn the button operation tone on or off also causes the watch’s
current mode to change.
•
turned off.
Auto Return Features
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any operation, it automatically changes to the Timekeeping Mode.
•
without performing any operation, the watch automatically 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.
Timekeeping
• 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.
•
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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
•
Timekeeping Mode.
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Timekeeping Mode using UTC time offset values.
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point in Greenwich, England and the time zone where a city is located.
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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.
