USEROS GUIDE 2551
To measure times with the stopwatchInputting Text
The following describes how to input text in the e-DATA MEMORY, Telememo and
Elapsed Time Alarm Modes.
StartStopRe-startStopClearTo input characters
Character type indicatorPress the keypad keys to input characters at the cursor
Split Time position. You can input upper alpha characters (A throughCursor
Z), lower alpha characters (a through z), numbers (0
through 9), and various symbols.
StartSplitSplit releaseStopClear" Each key is assigned more than one character. Each
(SPL displayed) press of a key sequentially changes the character at the
cursor position. Pressing [2], for example, changes the
Two Finishescharacters at the cursor position in the sequence: 2 �
A � B � C � 2, etc. The letters and number that a
key can input are printed on the key itself. Symbols are
StartSplitStopSplit releaseClearnot marked on the key.
First runner Second runner Display time of
finishes.finishes.second runner.
Display time of
first runner." Each press of [0] toggles input between zero and a space. Pressing [pm] cycles
through the various symbols that can be input.
" The B button acts as a delete button during text input. Move the cursor to the
character you want to delete, and then press B. Characters to the right of the
Backlightdeleted character are shifted left to fill the space.
" To switch between upper case and lower case characters, press [=] during text
Auto light switch on indicator The backlight uses an EL (electro-luminescent) panel thatinput. The character type indicator shows A when upper case is selected, and a for
causes the entire display to glow for easy reading in thelower case.
dark. The watchOs auto light switch automatically turns on" See the OCharacter List� for information about all the characters that are assigned to
the backlight when you angle the watch towards youreach key.
face.
" The auto light switch must be turned on (indicated by
Auto Return Features
the auto light switch on indicator) for it to operate." If you leave the watch without performing any operation in the e-DATA MEMORY,
" See OBacklight Precautions� for other important
Telememo, or Alarm Mode for two or three minutes, or in the Calculator Mode for six
information about using the backlight.
or seven minutes, it automatically changes to the Mode Menu.
" If you leave a screen with flashing digits or a cursor on the display for two or three
To turn on the backlight manually
minutes without performing any operation, the watch automatically saves any
In any mode, press B to illuminate the display for about two seconds.
settings you have made up to that point and exits the setting screen.
" The above operation turns on the backlight regardless of the current auto light
switch setting.
Scrolling
The C and D buttons and the [1] and [=] keys are used in various modes and
About the Auto Light Switch
setting screens to scroll through data on the display. In most cases, holding down
Turning on the auto light switch causes the backlight to turn on for about two seconds,these buttons during a scroll operation scrolls at high speed.
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 itInitial Screens
towards you more than 40 degrees causes the backlight to turn on." When you enter the e-DATA MEMORY, Telememo, World Time, or Alarm Mode, the
data you were viewing when you last exited the mode appears first.
" When you enter the Timekeeping Mode from the Mode Menu, the Home City time
appears first. The information that appears in the top line of the screen is the same
Parallel to groundMore than 40°type of information that was displayed when you last exited the Timekeeping Mode.
Timekeeping
" Resetting the seconds to 00 while the current count is in the range of 30 to 59
Warning!causes the minutes to be increased by 1. In the range of 00 to 29, the seconds are
" Always make sure you are in a safe place whenever you are reading thereset to 00 without changing the minutes.
display of the watch using the auto light switch. Be especially careful when" The year can be set in the range of 2000 to 2099.
running or engaged in any other activity that can result in accident or injury." The watchOs built-in full automatic calendar makes allowances for different month
Also take care that sudden illumination by the auto light switch does notlengths and leap years. Once you set the date, there should be no reason to change
surprise or distract others around you.it except after you have the watchOs battery replaced.
" 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 motorWorld Time
vehicle. Sudden and unintended operation of the auto light switch can create" The current time in all World Time Mode cities is calculated in accordance with the
a distraction, which can result in a traffic accident and serious personal injury.Greenwich Mean Time (GMT) differential for each city, based on the current Home
City time setting in the Timekeeping Mode.
To turn the auto light switch on and off" The GMT differential is the time difference of the time zone where the city is located
While the Mode Menu or Timekeeping Mode screen is on the display, hold down Dfrom Greenwich Mean Time.
for about two seconds to toggle the auto light switch on ( displayed) and off (" GMT differential is calculated by this watch based on Universal Time Coordinated
not displayed).(UTC) data.
" The auto light switch on indicator () is on the display in all modes while the auto
light switch is turned on.Backlight Precautions
" In order to protect against running down the battery, the auto light switch" The electro-luminescent panel that provides illumination loses power after very long
automatically turns off approximately six hours after you turn it on. Repeat the aboveuse.
procedure to turn the auto light switch back on if you want." The illumination provided by the backlight may be hard to see when viewed under
direct sunlight.
" The watch may emit an audible sound whenever the display is illuminated. This is
Referencedue to vibration of the EL panel used for illumination, and does not indicate
malfunction.
This section contains more detailed and technical information about watch operation." The backlight automatically turns off whenever an alarm sounds.
It also contains important precautions and notes about the various features and" Frequent use of the backlight shortens the battery life.
functions of this watch.
Auto light switch precautions
" Wearing the watch on the inside of your wrist and movement or vibration of your arm
Auto Display
Auto Display continually changes the contents of thecan 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
digital display.
activities that might cause frequent illumination of the display.
To turn off Auto Display" The backlight may not light if the face of the watch is
Press any button (except for B) or key to turn off AutoMore than 15 degrees more than 15 degrees above or below parallel. Make
Display.too highsure that the back of your hand is parallel to the ground.
" The backlight turns off in about two seconds, even if you
To turn on Auto Displaykeep the watch pointed towards your face.
Hold down C for about three seconds." Static electricity or magnetic force can interfere with
" Note that Auto Display cannot be performed while aproper operation of the auto light switch. If the backlight
setting screen is on the display.does not light, 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, the backlight may not light
until about one second after you turn the face of the
watch towards you. This does not necessarily indicate
malfunction of the backlight.
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ACEC
