Casio CTK-491 User Manual page 7

Display Screen
• Never push on the display
screen's LCD panel or subject it
to strong impact. Doing so can
cause the LCD panel's glass to
crack, creating the risk of personal
injury.
• Should the LCD panel ever crack
or break, never touch the liquid
inside of the panel. LCD panel
liquid can cause skin irritation.
• Should LCD panel liquid ever get
inside your mouth, immediately
wash out your mouth with water
and contact your physician.
• Should LCD panel liquid ever get
into your eyes or onto your skin,
rinse with clear water for at least
15 minutes, and then contact a
physician.
Sound Volume
Do not listen to music at very loud
volumes for long periods. Particu-
lar care concerning this precaution
is required when using headphones.
High volume settings can damage
your hearing.
Heavy Objects
Never place heavy object on top of
the product.
Doing so can make the product top
heavy, causing the product to tip
over or the object to fall from it,
creating the risk of personal injury.
Correct Stand* Assembly
An incorrectly assembled stand can
tip over, causing the product to fall
and creating the risk of personal in-
jury.
Make sure you assemble the stand
correctly, following the assembly
instructions that come with it. Make
sure you mount the product on the
stand correctly.
* Stand is available as an option.
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CTK481_E01-07.p65
Page 5
IMPORTANT!
When using batteries, be sure to replace them or shift to one
of the alternate power sources whenever you notice any of
the following symptoms.
• Dim power indicator
• Instrument does not turn on
• Display that is flickering, dim, or difficult to read
• Abnormally low speaker/headphone volume
• Distortion of sound output
• Occasional interruption of sound when playing at high vol-
ume
• Sudden power failure when playing at high volume
• Flickering or dimming of the display when playing at high
volume
• Continued sound output even after you release a key
• A tone that is totally different from the one that is selected
• Abnormal rhythm pattern and Song Bank play
• Loss of power, sound distortion, or low volume when play-
ing from a connected computer or MIDI device
<CTK-491 only>
• Distortion of microphone input
• Dim power supply indicator when a microphone is used
• Sudden power failure when using the microphone
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