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Operation Guide 2888
4
To display the Timekeeping screen and Data Bank screen in the Dual Time Mode
Holding down [÷] in the Dual Time Mode displays the Timekeeping screen. Holding
down [+] displays the record you were viewing when you last used the Data Bank
Mode.
Hold down [÷] Hold down [+]
Timekeeping Screen Data Bank Screen
Illumination
The display of the watch is illuminated by an LED (light-
emitting diode) and a light guide panel for easy reading in
the dark. The watch’s auto light switch automatically turns
on illumination when you angle the watch towards your
face.
• The auto light switch must be turned on (indicated by
the auto light switch on indicator) for it to operate.
• You can specify 1.5 seconds or 3 seconds as the
illumination duration.
• See “Illumination Precautions” for other important
information about using illumination.
To turn on illumination manually
In any mode, press L to illuminate the display.
• The above operation turns on illumination regardless of the current auto light switch
setting.
Auto light switch on
indicator
About the Auto Light Switch
Turning on the auto light switch causes illumination to turn on, whenever you position
your wrist as described below in any mode.
More than
40°
Parallel to
ground
Moving the watch to a position that is parallel to the ground and then tilting it
towards you more than 40 degrees causes illumination to turn on.
• Wear the watch on the outside of your wist.
Warning!
• Always make sure you are in a safe place whenever you are reading the
display of 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 traffic accident and serious personal injury.
To turn the auto light switch on and off
In the Timekeeping Mode, hold down L for about two seconds to toggle the auto light
switch on (auto light switch on indicator displayed) and off (auto light switch on
indicator not displayed).
• In order to protect against runnning down the battery, the auto light switch will turn
off automatically approximately six 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 is on the display in all modes while the auto light
switch is turned on.
To specify the illumination duration
1.In the Timekeeping Mode, hold down A until the
seconds start to flash, which indicates the setting
screen.
2.Press L to toggle the illumination duration setting
between 3 seconds (3 sec. indicator displayed) and 1.5
seconds (3 sec. indicator not displayed).
3.Press A to exit the setting screen.
• The 3 sec. indicator is displayed in all modes when the
illumination duration setting is three seconds.
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3 sec. 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.
Auto Display
Auto Display continually changes the contents of the
digital display.
To turn off Auto Display
Press A, B, or C to turn off Auto Display. This returns
to the Timekeeping Mode.
To turn on Auto Display
Hold down B for about two seconds until the watch
beeps.
• Note that Auto Display cannot be performed while a
setting screen is on the display.
Auto Return Features
• The watch automatically returns to the Timekeeping Mode if you do not perform any
operation under the conditions described below.
– For two or three minutes in the Data Bank or Alarm Mode
– For six or seven minutes in the Calculator Mode
• If you do not perform any operation for two or three minutes while a setting or input
screen (one with flashing digits or a cursor) is displayed, the watch will automatically
exit the setting or input screen.
• After you perform any button or key operation (except for L) in any mode, pressing
B returns directly to the Timekeeping Mode.
Scrolling
The B and C buttons, and [+] and [÷] keys 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.
Initial Screens
When you enter the Data Bank, Calculator, or Alarm Mode, the data you were viewing
when you last exited the mode appears first.
Timekeeping
• Resetting the seconds to 00 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
00 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.
Illumination Precautions
• Keypad keys are disabled and do not input anything while the display is illuminated.
• Illumination may be hard to see when viewed under direct sunlight.
• Illumination automatically turns off whenever an alarm sounds.
• Frequent use of illumination shortens the battery life.
Auto light switch precautions
• Wearing the watch on the inside of your wrist and movement or vibration of your arm
can cause the auto light switch to activate and illuminate the display. To avoid
running down the battery, turn off the auto light switch whenever engaging in
activities that might cause frequent illumination of the display.
• 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 after the preset illumination
duration (see “To specify the illumination duration”), even
if you keep the watch pointed towards your face.
More than 15 degree
too high
• 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 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, illumination does not turn on until about one second after
you turn the face of the watch towards you. This does not indicate malfunction.
• 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.
Dual Time
The Dual Time Mode lets you keep track of time in a
different time zone. You can select Standard Time or
Daylight Saving Time for the Dual Time Mode time, and a
simple operation lets you view the Timekeeping Mode or
Data Bank Mode screen.
• The seconds count of the Dual Time is synchronized
with the seconds count of the Timekeeping Mode.
• All of the operations in this section are performed in the
Dual Time Mode, which you enter by pressing B.
Timekeeping
Mode time
Dual time
(Hour : Minutes Seconds)
To set the Dual Time
1.In the Dual Time Mode, hold down A until the left hour
setting start to flash, which indicates the setting screen.
2.Use the keypad to input the dual time.
• The flashing automatically advances to the right each
time you input a number. You can also use B and C
to move the flashing between input digits.
• If you are using the 12-hour timekeeping format, press
[=PM] to toggle between AM and PM.
3.Press A to exit the setting screen.
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To toggle Dual Time Mode time between DST and Standard Time
Holding down C for about two seconds in the Dual Time
Mode toggles between Daylight Saving Time (DST
displayed) and Standard Time (DST not displayed).
• The DST indicator on the display indicates that Daylight
Saving Time is turned on.
Day of the Week List
Sunday Monday Tuesday
Wednesday
Thursday
Friday Saturday
ENx SUN oON TUE WED THU FRI SAT
POR DOo SEx TER QUA QUI SEX SaB
ESP DOo LUN oAR oIb JUE VIE SaB
FRA DIo LUN oAR oER JEU VEN SAo
NED ZON oAA DIN WOE DON VRI ZAT
DAN SvN oAN TIR ONS TOR FRE LvR
DEU SON oON DIE oIT DON FRE SAo
ITA DOo LUN oAR oER xIO VEN SAB
SVE SiN owN TIS ONS TOR FRE LiR
POL NIE PON WTO qRO CZW PIl SOB
ROo DUo LUN oAR oIE JOI VIN Sjo
TgR PAZ PZT SAL mAR PER CUo CTS
RUS CS QO BTSR YTQTSB