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.

640A-E-015A

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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Casio LK-43 manual Power On Alert, To disable Auto Power Off and power on Alert