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Operation Guide 2898
Illumination
The display of the watch is illluminated by an LED (light-
emitting diode) and a light guide panel for easy reading in
the dark.
• You can specify 1.5 seconds or 3 seconds as the
illumination duration.
• See “Illumination Precautions” for other important
information about using illumination.
To illuminate the display
In any mode, press L to illuminate the display.
To specify the illumination duration
In the Timekeeping Mode, hold down C for about two seconds to toggle the
illumination duration between 3 seconds (
indicator displayed) and 1.5 seconds
(
indicator not displayed).
• Pressing C also toggles between 12-hour and 24-hour timekeeping.
• The
indicator is displayed in all modes when the illumination duration setting is
three seconds.
• To protect against running down the watch’s battery, the watch automatically
switches to the 1.5-second setting about seven hours after the 3-second setting is
selected. To continue to use the 3-second setting, perform the above procedure
again.
indicator
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 do not perform any operation for one or two minutes when a setting screen is
displayed, the watch will automatically exit the setting screen.
Illumination Precautions
• Illumination may be hard to see when viewed under direct sunlight.
• Illumination automatically turns off whenever an alarm sounds.
• Frequent use of illumination runs down the battery.
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