Advertisement
Operation Guide 3427
Stopwatch
The stopwatch lets you measure elapsed time, split times,
1/100 second
and two fi nishes.
A display range of the stopwatch is 23 hours, 59 minutes,
59.99 seconds.
A stopwatch continues to run, restarting from zero after it
reaches its limit, until you stop it.
A 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.
Seconds
All of the operations in this section are performed in
the Stopwatch Mode, which you enter by pressing C
Minutes
(page E-7).
Hours
E-30
Illumination
This watch has two LEDs (light-emitting diode) that cause
Auto light switch on
the entire display to glow for easy reading in the dark. The
indicator
watch's auto light switch turns on illumination automatically
when you angle the watch for reading towards your face.
The auto light switch must be turned on (indicated by the
auto light switch on indicator) for it to operate.
See "Illumination Precautions" (page E-42) for more
important information.
E-32
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.
Wear the watch on the outside of your wrist.
Parallel to ground
E-34
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 A: In the Timekeeping Mode and World
Graphic area A
Graphic area B
E-36
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).
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 fl ashing digits on the display for two or three minutes
without performing any operation, the watch automatically exits the setting screen.
E-38
More than 40°
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).
To measure times with the stopwatch
Elapsed Time
D
D
D
Start
Stop
Re-start
Split Time
D
A
A
Start
Split
Split release
(SPL displayed)
Two Finishes
D
A
D
Start
Split
Stop
First runner
Second runner
fi nishes. Display
fi nishes.
time of fi rst
runner.
To turn on illumination
In any mode (except when a setting screen is on the display), press B to turn on
illumination.
You can use the procedure above to select either 1.5 seconds or 3 seconds as the
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
1. In the Timekeeping Mode, hold down A until the
seconds start to fl ash, which indicates the setting
screen.
2. While the seconds are fl ashing, press C nine times to
display the illumination duration setting screen.
3. Press D to toggle between 1.5 seconds ( ) and
3 seconds ( ).
4. Press A to exit the setting screen.
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.
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 traffi c 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).
The auto light switch on 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.
Graphic area B: In the Timekeeping Mode and World 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
Mute indicator
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 alarms,
the Hourly Time Signal, and the countdown alarm all
operate normally.
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 fi rst.
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.
D
A
Stop
Clear
D
A
Stop
Clear
A
A
Split release
Clear
Display time of
second runner.
E-31
E-33
E-35
E-37
E-39
Hide quick links:
Advertisement
