Operation Guide 3403
Note
ξIf a previous countdown was stopped part way through in the Timer Mode, pressing D will resume the countdown.
ξThe D button will be disabled if a countdown that was started in the Timer Mode is still in progress.
ξAn ongoing countdown (started in either the Timer Mode or Timekeeping Mode) cannot be stopped or reset in the Timekeeping Mode.
Note
ξIf a countdown was stopped part way through in the Timer Mode, the current (stopped) countdown time will be displayed when you press A in the Timekeeping Mode.
ξWhile a countdown is in progress, the display will show the countdown. You can switch to display of the day of the week and day by pressing A.
◆To view the timer start time
●In the Timekeeping Mode, press A.
This will cause the timer start time (the start time you set with the procedure on page
To stop a tone/vibration alert operation
●Pressing any one of the buttons will stop an ongoing tone/vibration alert operation.
Other Settings
You can use the procedures in this section to turn the tone that sounds when you press a button on or off.
You can also select either tone and display illumination fl ashing, or vibration as the alert method for the alarm and timer.
To turn the button operation tone on or off
●1 In the Timekeeping Mode, hold down A for about
two seconds until the time zone setting screen appears.
●2 Press C nine times to display the button operation tone setting screen.
See “Confi guring Current Time and Date Settings” (page
The screen will show either [KEY ] or [MUTE].
MUTE indicator
●3 Press D to toggle the setting between [KEY
] (ON) and [MUTE] (OFF).
When [MUTE] (OFF) is selected, a MUTE indicator is displayed to indicate that the button operation tone will not sound.
●To return to the Timekeeping Mode, press A.
Note
The above procedure affects the button operation tone only. The alarm, hourly time signal, and time up alarm are not affected.
To change the alarm/timer alert method
●1 In the Timekeeping Mode, hold down A for about
two seconds until the time zone setting screen appears.
1
●2 Press C 11 times to display alert setting screen. See “Confi guring Current Time and Date Settings” (page
The screen will show either [VIB] or [FLASH].
Vibration indicator ● Press D to toggle the setting between [VIB] and 
[FLASH].
The Vibration indicator is shown on the display while [VIB] is selected.
: Alert by vibration.
: Alert by tone and fl ashing display illumination.
●4 To return to the Timekeeping Mode, press A.
◆To test vibration
●In the Timekeeping Mode, hold down B to perform the vibration operation.
| Illumination |
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| Using Auto Light | |
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You can use the procedure below to illuminate the display for easy reading in the dark.
To illuminate the display
●Press L to illuminate the display.
Note
Illumination will turn off automatically if it is on when an alarm time or the end of a countdown is reached.
When Auto Light is enabled, angling the watch towards your face at an angle of 40˚ or greater will illuminate the display automatically.
40˚ or greater
Note
Auto Light is disabled automatically while an alarm is sounding.
◆Light Use Precautions
Frequent use of the light can shorten battery life.
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To enable or disable Auto Light
Auto Light ON indicator ● In the Timekeeping Mode, hold down L for at least three seconds.
This will toggle Auto Light between enabled (Auto Light
ON indicator displayed) and disabled.
Auto Light Precautions
ξAuto Light may not work properly if your arm is angled horizontally 15˚ or more as shown in the illustration.
ξ The presence of static electricity or magnetism can cause Auto Light not to work. If this happens, try lowering your arm and raising it back up again.
ξYou may notice a rattling sound inside the watch when you angle it towards your face. This is the sound of the Auto Light switch, and does not indicate malfunction.
ξAuto Light remains enabled only for about six hours. After that it is disabled automatically.