Operation Guide 2888

Dual Time

Dual time(Hour : Minutes Seconds)

Timekeeping

Mode time

To set the Dual Time

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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.

1.In the Dual Time Mode, hold down Auntil 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 Ato exit the setting screen.

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 Cto 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

To toggle Dual Time Mode time between DST and Standard Time

Holding down Cfor 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.

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

 

 

 

Auto light switch onThe display of the watch is illuminated by an LED (light-
emitting diode) and a light guide panel for easy reading in

 

indicator

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 Lto illuminate the display.

The above operation turns on illumination regardless of the current auto light switch setting.

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.

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.
Parallel to

More than

ground

 

40°

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 Lfor 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 Auntil the

3 sec. indicator

 

 

 

seconds start to flash, which indicates the setting

 

 

 

 

 

screen.

 

 

 

 

 

2. Press Lto toggle the illumination duration setting

 

 

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between 3 seconds (3 sec. indicator displayed) and 1.5

 

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seconds (3 sec. indicator not displayed).

 

 

 

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3. Press Ato exit the setting screen.

 

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The 3 sec. indicator is displayed in all modes when the

 

 

 

 

illumination duration setting is three seconds.
– 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 Band 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.

More than 15 degreeIllumination may not turn on if the face of the watch is
more than 15 degrees above or below parallel. Make
too high
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.

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.

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