Casio LK70S - Manual (Page 17)

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Power Supply
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, adjust the POWER/MODE switch 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.
To disable Auto Power Off
Hold down the TONE button while turning on the keyboard
to disable Auto Power Off.
NOTE
• When this function is turned off, the keyboard does not
turn off automatically no matter how long it is left with
no operation being performed.
• Auto Power Off is enabled again when you manually
turn off power and then turn it back on again.
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.
• 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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