Casio MA-150 - Manual (Page 12)

E-10
This keyboard can be powered by current from
a standard household wall outlet (using the
specified AC adaptor) or by batteries.
Always make sure you turn the keyboard off
whenever you are not using it.
Using batteries
Always make sure you turn off the keyboard
before loading or replacing batteries.
To load batteries
1.
Remove the battery compartment
cover.
2.
Load 6 C-size batteries into the
battery compartment.
• Make sure that the positive (+) and
negative (–) ends are facing correctly.
3.
Insert the tabs on the battery
compartment cover into the holes
provided and close the cover.
The keyboard may not function correctly if you
load or replace batteries with power turned on.
If this happens, turning the keyboard off and
then back on again should return functions back
to normal.
Power Supply
Important Battery Information
■ The following shows the approximate
battery life.
Manganese batteries .......... 5 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
274B-E-012A
C-size batteries
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