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640A-E-015A
WARNING
Misuse of the AC adaptor creates the risk of fire and electric shock.
Always make sure you observe the following precautions.
• Be sure to use only the AC adaptor that is specified for this
product.
• Use only a power source whose voltage is within the rating
marked on the AC adaptor.
• Do not overload electrical outlets and extension cords.
• Never place heavy objects on the cord or subject it to
heat.
• Never try to modify the cord or subject it to excessive
bending.
• Never twist or stretch the cord.
• Should the electric cord or plug become damaged, contact
your original retailer or authorized CASIO Service
Provider.
• Never touch the AC adaptor while your hands are wet.
Doing so creates the risk of electric shock.
CAUTION
Misuse of the AC adaptor creates the risk of fire and electric shock.
Always make sure you observe the following precautions.
• Do not locate the electric cord near a stove or other sources
of heat.
• Never pull on the cord when unplugging from the electrical
outlet. Always grasp the AC adaptor when unplugging.
• Insert the AC adaptor into the wall outlet as far as it will
go.
• Unplug the AC adaptor from the wall outlet during
lightening storms or before leaving on a trip or other long-
term absence.
• At least once a year, unplug the AC adaptor from the wall
outlet and wipe away any dust that is built up in the area
around the prongs of the plug.
IMPORTANT!
• Make sure that the keyboard is turned off before connecting or
disconnecting the AC adaptor.
• Using the AC adaptor for a long time can cause it to become
warm to the touch. This is normal and does not indicate
malfunction.
Auto Power Off
When you are using battery power, keyboard power turns
off automatically whenever you leave it on without
performing any operation for about 6 minutes. When this
happens, move the POWER/MODE selector to the OFF
position and then back to NORMAL, CASIO CHORD, or
FINGERED to turn power back on.
❚
NOTE
• Auto Power Off is disabled (it does not function) when you are
using the AC adaptor to power the keyboard.
Power On Alert
Keyboard keys light to alert you if you leave power on and
do not perform any operation for about 6 minutes. Note that
keys light only, and no sound is produced. When this
happens, press any button or keyboard key to clear the power
on alert.
❚
NOTE
• Power on alert operates only when you are powering the
keyboard using the AC adaptor. It does not operate when you
are using batteries.
To disable Auto Power Off and power on
alert
Hold down the TONE button while turning on the keyboard
to disable Auto Power Off and power on alert.
❚
NOTE
• When these functions are turned off, the keyboard does not
turn off automatically and no alert is performed no matter how
long it is left with no operation being performed.
• Auto Power Off and power on alert are enabled again when
you manually turn off power and then turn it back on again.
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