Navigating Between Modes; Shifting The Hands; Viewing The Face In The Dark - Casio 5641 Operation Manual

Alarm Mode
●
The watch will beep when an alarm time is
reached.
Alarms and Hourly Time Signal
l
①
Alarm
number
switching
On/off
② ③
Alarm hour/minute
A
Alarm or hourly time signal status (on/off)
B
Alarm number
C

Shifting the Hands

Hand shift moves the hands out of the way for
easy viewing of display information.
1.
While holding down (B), press (D).
This will shift the analog hands to allow
●
easy viewing of display information.
2.
To return the hands to their normal
timekeeping positions, hold down (B) as
you press (D) again, or press (D) to
change to another mode.
Note
The hands will resume normal
●
timekeeping automatically if you
change modes or if you leave the
watch with its hands shifted and do not
perform any operation for about one
hour.
Watch Operation Guide 5641

Viewing the Face in the Dark

The face of the watch can be illuminated for
viewing in the dark.
To illuminate the face manually
●
Press (B) to turn on illumination.
If illumination is on, it will turn off
●
automatically if one of the notifications
below starts to sound.
Alarms
ー
Timer alarm
ー
Auto Lap notification
ー
To illuminate the face when Auto Light
●
is enabled
If Auto Light is enabled, face illumination will
turn on automatically whenever the watch is
positioned at an angle of 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.
Alarm, timer alert, or other beeper
ー
sounding
Hand movement operation is in
ー
progress
Configuring the Auto Light Setting
●
Holding down (B) for at least two seconds in
the Timekeeping Mode toggles Auto Light
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.
40
degrees
Specifying the Illumination Duration
●
or more
You can select either 1.5 seconds or three
seconds as the illumination duration.
1.
Enter the Timekeeping Mode.

Navigating Between Modes

l
2.
Hold down (A) for at least two seconds.
Release the button when [SET] stops
flashing.
3.
Press (D) nine times to display [LT].
4.
Press (E) to select an illumination
duration.
[1]: 1.5-second illumination
[3]: 3-second illumination
5.
Press (A) twice to complete the setting
operation.
On
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