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Illumination Light
The watch has an LED light that you can turn
on for reading in the dark.
Illuminating the Face
Manually
Pressing (B) turns on illumination.
●
Illumination will turn off automatically if an
alarm starts to sound.
Auto Light
If Auto Light is enabled, the face illumination
will turn on automatically whenever the watch
is positioned at an angle of 40 degrees or
more.
40
degrees
or more
Important!
●
Auto Light may not operate properly
when the watch is at a horizontal angle
of 15 degrees or greater from
horizontal as shown in the illustration
below.
●
Electro-static charge or magnetism
can interfere with proper auto light
operation. If this happens, try lowering
your arm and then angle it towards
your face again.
●
When moving the watch you may note
a slight rattling sound. This is due to
operation of the auto light switch,
which determines the current
orientation of the watch. It does not
indicate malfunction.
Note
●
Auto Light is disabled when any one of
the conditions below exists.
ー
Alarm, timer alert, or other beeper
sounding
Configuring the Auto Light
Setting
Each time (B) is held down for at least three
seconds in the Timekeeping Mode, Auto Light
will toggle between enabled and disabled.
●
[LT] is displayed while Auto Light is
enabled.
●
If you do not disable it manually, Auto Light
remains enabled for approximately six
hours. After that, it becomes disabled
automatically.
On
Specifying the Illumination
Duration
You can select either 1.5 seconds or three
seconds as the illumination duration.
1. Enter the Timekeeping Mode.
l
Navigating Between Modes
2. Hold down (A) for at least two seconds.
Release the button when [SET] stops
flashing.
3. Press (C) nine times to display [LT].
4. Press (D) to toggle between the two
illumination duration settings.
[1]: 1.5-second illumination
[3]: 3-second illumination
5. Press (A) to exit the setting screen.
Battery Replacement
When battery power goes low, will start to
flash and some functions will become
disabled. If continues to flash, replace the
battery.
Operation Guide 3464
17
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