
Operation Guide 3149
1. In the Alarm Mode, use D to select the hourly time signal (:00).
2. Press Ato toggle it on and off.
•Turning on the hourly time signal displays the hourly
time signal on indicator.
• The hourly time signal on indicator is displayed in all modes when the hourly time signal is turned on.
Hourly time signal on indicator
Countdown Timer
The countdown timer can be set within a range of 1 minute to 24 hours. An alarm sounds when the countdown reaches zero.
•You can also select
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| restarts the countdown from the original value you set | |
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| whenever zero is reached. | |
Hour | Seconds | • Countdown timer functions are available in the | |
Countdown Timer Mode, which you enter by pressing | |||
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Minutes | C. |
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 Dagain to resume the countdown.
•To completely stop a countdown operation, first pause it (by pressing D), and then press A. This returns the countdown time to its starting value.
To set the countdown start time1. In the Countdown Timer Mode, hold down Auntil the hours setting of the countdown start time starts to flash, which indicates the setting screen.
2. Press Cto move the flashing between the hours and minutes settings.
3. While a setting is flashing, use Dto change it.
•To set the starting value of the countdown time to 24 hours, set 0:00.
4.Press Ato exit the setting screen.
To turn1. In the Countdown Timer Mode, hold down Auntil the hours setting of the countdown start time starts to flash, which indicates the setting screen.
2. Press Bto toggle
• Note that pressing Bin the above operation also turns on the illumination.
• When the end of the countdown is reached while
•The
Dual Time
The Dual Time Mode lets you keep track of time in a different time zone.
•In the Dual Time Mode, the seconds count is synchronized with the seconds count of the Timekeeping Mode.
To set the Dual Time1. Press Cto enter the Dual Time Mode.
2. In the Dual Time Mode, hold down Auntil the hour setting starts to flash, which indicates the setting screen.
3. Press Cto change the selection in the following
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Hour : Minutes Seconds | Hour | Minutes |
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4.Press Dto increase the setting.
5.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 return features
•If you leave a screen with flashing digits for two or three minutes without performing any operation, the watch automatically saves any settings you have made up to that point and exits the setting screen.
Data and Setting Scrolling
The D button is used to scroll through setting screen data on the display. Holding down this button during a scroll operation scrolls through the data at high speed.
Illumination
An LED
Illumination Precautions
• Illumination may be hard to see when viewed under direct sunlight.
•Illumination turns off automatically whenever an alarm sounds.
•Frequent use of illumination runs down the battery.
To illuminate the displayPress Bto turn on illumination.
1/100 second
Hour Seconds
Minutes
The stopwatch lets you measure elapsed time, split times, and two finishes.
•The display range of the stopwatch is 23 hours, 59 minutes, 59.99 seconds.
•The stopwatch continues to run, restarting from zero after it reaches its limit, until you stop it.
•The 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.
•All of the operations in this section are performed in the Stopwatch Mode, which you enter by pressing C.
Start | Stop | Stop | Clear | |
Split time |
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Start | Split | Split release | Stop | Clear |
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Two Finishes |
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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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