Operation Guide 3155
Alarm Operation
The alarm tone sounds at the preset time for 10 seconds, regardless of the mode the watch is in. In the case of the snooze alarm, the alarm operation is performed a total of seven times, every five minutes, until you turn the alarm off.
•Alarm and Hourly Time Signal operations are performed in accordance with the Timekeeping Mode time.
•To stop the alarm tone after it starts to sound, press any button.
•Performing any one of the following operations during a
Displaying the Timekeeping Mode setting screen Displaying the SNZ setting screen
To test the alarm
In the Alarm Mode, hold down Dto sound the alarm.
To turn an alarm on and off
1. In the Alarm Mode, use D to select an alarm.
2. Press B to toggle it on and off.
• Turning on a alarm (AL1, AL2, AL3, AL4 or
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| SNZ) displays the alarm on indicator ( | ) on its | |
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| Alarm Mode screen. |
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| • In all modes, the alarm on indicator is shown for any | ||
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| alarm that is currently turned on. |
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| ON | • The alarm on indicator flashes while the alarm is | |||
Alarm on | sounding. |
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indicator | • The snooze alarm indicator ( | ) flashes while the | |||
3.When the setting you want to change is flashing, use Dand Bto change it as described below.
Setting | Screen | Button Operation |
Hours, Minutes |
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• To specify a countdown start time of 24 hours, set 
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4.Press Ato exit the setting screen.
To use the countdown timer
Timer start time | Press Dwhile in the Countdown Timer Mode to start the | ||||||
countdown timer. | |||||||
Seconds |
| • The countdown timer operation continues even if you | |||||
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| exit the Countdown Timer Mode. | |
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| • Press Dwhile a countdown operation is in progress to | |
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| lll | pause it. Press D again to resume the countdown. | |||||
ll | • To stop a countdown operation completely, first pause it | ||||||
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| countdown time to its starting value. | ||||
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Current timer time |
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Illumination
Snooze alarm | snooze alarm is sounding and during the | ||
intervals between alarms. |
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indicator |
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To turn the Hourly Time Signal on and off |
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| 1. In the Alarm Mode, use D to select the Hourly Time | ||
| Signal (SIG). |
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| 2. Press B to toggle it on and off. |
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| • The Hourly Time Signal on indicator ( |
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on the display in all modes while this function is turned on.
Hourly time signal on indicator
Auto light switch on indicator
This watch has an EL
•The auto light switch must be turned on (indicated by the auto light switch on indicator) for it to operate.
•See “Illumination Precautions” for other important information about using illumination.
To illuminate the display manually
In any mode, press Lto turn on illumination.
•The above operation turns on illumination regardless of the current auto light switch setting.
Stopwatch
• You can use the procedure below to select either 1.5 seconds or 3 seconds as the |
illumination duration. When you press L, the illumination will remain on for about |
1.5 seconds or 3 seconds, depending on the current illumination duration setting. |
Hours
Minutes | 1/100 second |
Seconds
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.
To specify the illumination duration
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| 1. In the Timekeeping Mode, hold down Auntil the | |
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| display contents start to flash. This is the setting screen. | |
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| 2. Press the Cbutton three times to move the flashing to | |
| llll | the seconds. | ||
l | 3. While the seconds are flashing, press Bto toggle the | |||
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l | l | setting between 1.5 seconds ( ) and 3 seconds ( ). | ||
l | l | |||
l | l | 4. Press Ato exit the setting screen. | ||
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About the Auto Light Switch
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 |
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Two Finishes |
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D | ➤ B | ➤ D | ➤ B | ➤ B |
Start | Split | Stop | Split release | Clear |
| First runner finishes. | Second runner | Display time of |
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| Display time of first | finishes. | second runner. |
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Countdown Timer
Turning on the auto light switch causes illumination to turn on, 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 turn on the backlight 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 40° |
ground |
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. |
Hours Seconds Minutes
You can set the countdown timer within a range of one minute to 24 hours. An alarm sounds when the countdown reaches zero.
•All of the operations in this section are performed in the
Countdown Timer Mode, which you enter by pressing
C.
Configuring the Countdown Timer
The following are the settings you should configure before actually using the countdown timer.
Countdown start time
•See “To configure the countdown timer” for information about setting up the timer.
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 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 three seconds to toggle the auto light switch on (A.EL displayed) and off (A.EL not displayed).
•The auto light switch on indicator (A.EL) is on the display in all modes while the auto light switch is turned on.
Countdown End Beeper
The countdown end beeper lets you know when the countdown reaches zero. The beeper stops after about 10 seconds or when you press any button.
To configure the countdown timer
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| Countdown Timer Mode, hold down Auntil the current |
lll | countdown start time starts to flash, which indicates the | ||
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| l | • If the countdown start time is not displayed, use the |
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display it.
2. Press Cto move the flashing in the sequence shown below to select other settings.
HoursMinutes
Power Supply
This watch is equipped with a solar cell and a special rechargeable battery (secondary battery) that is charged by the electrical power produced by the solar cell. The illustration shown below shows how you should position the watch for charging.
Example: Orient the watch so its face is | Solar cell |
pointing at a light source. |
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• The illustration shows how to position |
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a watch with a resin band. |
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• Note that charging efficiency drops |
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when any part of the solar cell is |
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blocked by clothing, etc. |
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• You should try to keep the watch |
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outside of your sleeve as much as |
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possible. Charging is reduced |
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significantly if the face is covered only |
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partially. |
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