Casio CTK-691 - Manual (Page 6)

Safety Precautions
E-4
* Stand is available as an option.
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.
Š Dim power indicator
Š Instrument does not turn on
Š Display that is flickering, dim, or difficult to read
Š Abnormally low speaker/headphone volume
Š Distortion of sound output
Š Occasional interruption of sound when playing at high
volumes
Š Sudden power failure when playing at high volumes
Š Flickering or dimming of the display when playing at high
volume
Š Continued sound output even after you release a key
Š A tone that is totally different from the one that is selected
Š Abnormal rhythm pattern and demo tune play
Š Loss of power, sound distortion, or low volume when
playing from a connected computer or MIDI device
Sound Volume
Do not listen to music at very loud volumes for
long periods. Particular 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 injury.
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.
705A-E-006A