Operation Guide 2672
2
Three-second
indicator
Display Illumination
An LED (light-emitting diode) and a light guide panel
illuminate the entire display for easy reading in the dark.
• See “Display Illumination Precautions” for more
important information.
To illuminate the display
In any mode, press L to illuminate the display.
• You can use the procedure below to select either one
second or three seconds as the display illumination
duration. When you press L, the display will remain
illuminated for about one second or three seconds,
depending on the current display illumination duration
setting.
To specify the display illumination duration
In the Timekeeping Mode, hold down C for about two seconds to toggle the display
illumination duration between three seconds (3" displayed) and one second (3" not
displayed).
• Pressing C also toggles between 12-hour and 24-hour timekeeping.
• When the three-second setting is selected, the three-second (3") indicator remains
on the display in all modes.
• To protect against running down the watch’s battery, the watch automatically
switches to the one-second setting about seven hours after the three-second setting
is selected. To continue to use the three-second setting, perform the above
procedure again.
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 one or two minutes without performing any
operation, the watch automatically saves any settings you have made up to that point
and exits the setting screen.
Display Illumination Precautions
• The illumination provided by the light may be hard to see when viewed under direct
sunlight.
• Display illumination automatically turns off whenever an alarm sounds.
• Frequent use of the light shortens the battery life.
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Weight and Dimensions
