Operation Guide 2752
To toggle a city code time between Standard Time and Daylight Saving Time
1. In the World Time Mode, use Band Dto display the city code (time zone) whose Standard Time/Daylight Saving Time setting you want to change.
• Pressing Ain the World Time Mode causes the applicable city code to appear on the digital display for about one second.
2. Hold down Ato toggle Daylight Saving Time (DST indicator displayed) and Standard Time (DST indicator not displayed).
To use the countdown timer
Press Dwhile in the Countdown Timer Mode to start the countdown timer.
•When the end of the countdown is reached and
•Press D while a countdown operation is in progress to pause it. Press D again to resume the countdown.
•To completely stop a countdown operation, first pause it (by pressing D), and then press B. This returns the countdown time to its starting value.
To turn auto-repeat on and off
DST indicator
•Note that you cannot use the World Time Mode to change the DST setting of the Home City code you currently have selected in the Timekeeping Mode. See “To change the Daylight Saving Time (summer time) setting” for information about turning the Home City code DST setting on and off.
•Note that you cannot switch between Standard Time and Daylight Saving Time while GMT is selected as the city code.
•The DST indicator will appear on the display whenever you display a city code for which Daylight Saving Time is turned on.
•Note that the DST/Standard Time setting affects only the currently displayed city code. Other city codes are not affected.
Alarms
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Number of repeats
1.While the countdown start time is on the display in the Countdown Timer Mode, hold down A until the current countdown start time starts to flash, which indicates the setting screen.
2.Press Cto move the flashing to the
3.Press Dto turn 
displayed) and
off ( 
displayed).
4.Press Ato exit the setting screen.
•When
reaches zero. You can stop the countdown by pressing D, and manually reset to the countdown start time by pressing B.
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Mode indicator
You can set five independent daily alarms. When an alarm is turned on, the alarm tone sounds when the alarm time is reached.
Stopwatch
Alarm number
Alarm time (Hour : Minutes)
You can also turn on an Hourly Time Signal that causes the watch to beep twice every hour on the hour.
•The alarm number (A1 through A5) indicates an alarm screen. 00 is shown for the alarm time when the Hourly Time Signal screen is on the display.
•All of the operations in this section are performed in the Alarm Mode, which you enter by pressing C.
Mode indicator
The stopwatch lets you measure elapsed time, split times, and two finishes.
• The display range of the stopwatch is 99 minutes, 59.99 |
seconds. |
• The stopwatch continues to run, restarting from zero |
after it reaches its limit, until you stop it. |
• Exiting the Stopwatch Mode while a split time is frozen |
on the display clears the split time and returns to |
elapsed time measurement. |
• The stopwatch measurement operation continues even |
To set an alarm time
Hourly time signal
1. In the Alarm Mode, use D to scroll through the alarm |
screens until the one whose time you want to set is |
Minutes Seconds
1/100 second
if you exit the Stopwatch Mode. |
• All of the operations in this section are performed in the |
Stopwatch Mode, which you enter by pressing C. |
on indicator Alarm on
indicator
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displayed. |
A1 
A2 
A3
00 
A5 
A4
2.Hold down Auntil the hour digits of the alarm time
start to flash, which indicates the setting screen.
• This automatically turns on the alarm.
To measure times with the stopwatch |
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Elapsed Time |
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D | ➤D | ➤D | ➤D | ➤B |
Start | Stop |
| Stop | Clear |
Split Time |
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D | ➤B | ➤B | ➤D | ➤B |
Start | Split | Split release | Stop | Clear |
3.Press C to move the flashing between the hour and minute settings.
4.While a setting is flashing, use D(+) and
•When setting the alarm time using the
5.Press A to exit the setting screen.
Alarm Operation
The alarm sounds in all modes at the preset time for about 10 seconds, or until you stop it by pressing any button.
To test the alarm
In the Alarm Mode, hold down B to sound the alarm.
Two Finishes |
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D | ➤B | ➤D | ➤B | ➤B |
Start | Split | Stop | Split release | Clear |
| First runner | Second runner | Display time of |
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| finishes. | finishes. | second runner. |
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| Display time of |
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| first runner. |
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Illumination
To turn an alarm and the Hourly Time Signal on and off
1.In the Alarm Mode, use Dto select an alarm or the Hourly Time Signal.
2.When the alarm or the Hourly Time Signal you want to set is selected, press Bto turn it on and off.
Indicates alarm is ON.
Indicates Hourly Time Signal is ON.
•The alarm on indicator (
) and the Hourly Time Signal on indicator (
) are shown on the display in all modes while these functions are turned on.
•If any alarm is on, the alarm on indicator is shown on the display in all modes.
Countdown Timer
You can set the countdown timer within a range of one to Mode indicator 60 minutes. An alarm sounds when the countdown
Auto light switch indicator
The watch has an EL
•The auto light switch must be turned on (indicated by the auto light switch indicator) for it to operate.
•See “Illumination Precautions” for other important information.
To turn on illumination manually
In any mode, press Lto illuminate the display for about one second.
•The above operation turns on illumination regardless of the current auto light switch setting.
reaches zero.
• You can also select
• All of the operations in this section are performed in the Countdown Timer Mode, which you enter by pressing
C.
To set the countdown start time
Seconds 1. While the countdown start time is on the display in the
Minutes Countdown Timer Mode, hold down Auntil the current countdown start time starts to flash, which indicates the setting screen.
•If the countdown start time is not displayed, use the procedure under “To use the countdown timer” to display it.
2.Press C to move the flashing in the sequence shown below to select other settings.
Auto-
Minutesrepeat
3.While a setting is flashing, use D(+) and
• See “To turn
4.Press A to exit the setting screen.
About the Auto Light Switch
Turning on the auto light switch causes the display illumination to turn on for about one second, whenever you position your wrist as described below in any mode. Note that this watch features a “Full Auto EL Light,” so the auto light switch operates only when available light is below a certain level. It does not illuminate the display under bright light.
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 wrist.
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 surprise 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.
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