Casio Casio Watch 2984 User's Manual

Casio Watches User's Manual - Casio Watch 2984.
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Operation Guide 2984

Modes and Display Screens

Modes
• For details about each mode, see each section of this Operation Guide.

Alarm Mode

Timer Mode

Stopwatch Mode

Recall Mode

Dual Time Mode

Timekeeping Mode

(Light)

Timekeeping Mode

Year

Month, Day

Day of the Week

Hour, Minute, Second

PM indicator 
(no display 
for AM)

Button

Button

Button

Button

Button

Illumination

An EL (electroluminescent) panel is used to illuminate the display for easy reading in the
dark. An auto light turns on illumination automatically when you angle the watch towards
your face for viewing.

❚ To turn on illumination manually

In any mode, press the L button.

This will turn on illumination for about 1.5 seconds.

• Pressing the L button turns on illumination regardless of

whether the auto light switch is on or off.

❚ To turn the auto light switch on or off
The auto light switch turns on illumination for about 1.5 seconds when you angle the watch
towards your face.

In the Timekeeping Mode, hold down the D button for
about two seconds to toggle the auto light switch on
or off.

An indicator is on the display while the auto light switch is
turned on.

Auto light switch on indicator

❚ Turning on Illumination with Auto Light

40 degrees 
minimum

With the watch on your 
wrist, position it parallel 
with the ground. 

Rotate your arm so the watch 
is angled at about 40 degrees, 
so you can read its face.

• You should be wearing the watch on the outside of your

wrist when using auto light.

• Make sure that a line running from the left side (9 o’clock) to

the right side (3 o’clock) of the watch is within ±15 degrees
parallel with the ground. Auto light may not operate properly
if the angle is greater than 15 degrees.

Important!
• Illumination may be difficult to see under bright sunlight.
• Illumination turns off automatically if an alarm sounds, etc.
• You may notice a slight sound from the watch while illumination is turned on. This is the

sound of EL panel vibration and does not indicate malfunction.

Auto Light Precautions
• To conserve battery power, the auto light switch can remain on for a maximum of about six

hours. After that, it will turn off automatically, and the “

” indicator will disappear from the

display.
• If you want to continue using auto light, hold down the D button for about two seconds

again until the “

” indicator reappears. Note, however, that frequent use of auto light

can run down the battery.

• Illumination may not turn on immediately when you angle the watch towards your face. This

does not indicate malfunction.

• Illumination remains turned on for about 1.5 seconds only, even if you leave the watch

angled towards your face.

• Illumination may turn on unintentionally when you wear the watch on the inside of your wrist,

when you shake your arm, or when you raise your arm. Be sure to turn off the auto light
switch whenever you do not need illumination
.
• Keep the auto light switch turned off whenever you are wearing the watch on the inside of

your wrist.

• Electro-static charge and magnetism can interfere with auto light operation and even make

operation impossible. If this happens, lower your arm to the starting position and then raise it
again. If you still have trouble with auto light illumination, try lowering your arm down to your
side and then raise it to your face for reading.

• You may hear a faint rattling sound when you move the watch around. This sound is caused

by the movement of a metal bulb that controls operation of the auto light switch, and does
not indicate malfunction.

MA0511-EA

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