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Power Supply
E-14
The following shows the approximate battery
life.
Zinc-carbon batteries ..........................6 hours
*
* The above value is standard battery life at
normal temperature, with the keyboard
volume at medium setting. Temperature
extremes or playing at very loud volume
settings can shorten battery life.
Any of the following symptoms indicate low
battery power. Replace batteries as soon as
possible whenever any of the following
occurs.
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 volume
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
The Digital Keyboard will turn off automatically to
avoid wasting power if you do not perform any
operation for about six minutes (Auto Power Off).
Hold down the TONE button while turning on the
keyboard to disable Auto Power Off.
When Auto Power Off is disabled, the keyboard
does not turn off automatically no matter how
long it is left with no operation being performed.
Auto Power Off is automatically enabled
whenever you turn on keyboard power.
All keyboard settings are returned to their initial
defaults whenever keyboard power is turned back
on after being turned off by operation of the
POWER/MODE switch or Auto Power Off.
Important Battery Information
Auto Power Off
To disable Auto Power Off
Settings
D
CTK240_03_e.fm 14 ページ 2012年6月21日 木曜日 午後3時38分
16


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