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Important Battery Information
■
The following shows the approximate battery life.
Alkaline batteries .................................... 2.7 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.
• Dim power supply indicator
• Instrument does not turn on
• Dim, difficult to read display
• Abnormally low speaker/headphone volume
• Distortion of sound output
• Occasional interruption of sound when playing at high
volumes
• Sudden power failure when playing at high volumes
• Dimming of the display when playing at high volume
• Continued sound output even after you release a key
• A totally different tone may sound
• Abnormal rhythm pattern and demo tune play
• Abnormally low microphone volume
• Distortion of microphone input
• Dim power supply indicator when a microphone is used
• Sudden power failure when using the microphone
• Dimming of keyboard lights when notes sound
• Loss of power, sound distortion, or low volume when
playing from a connected computer or MIDI device
WARNING
Misuse of batteries can cause them to leak, resulting in
damage to nearby objects, or to explode, creating the risk of
fire and personal injury. Always make sure you observe the
following precautions.
• Never try to take batteries apart or allow them to
become shorted.
• Never expose batteries to heat or dispose of them by
incineration.
• Never mix old batteries with new ones.
• Never mix batteries of different types.
• Do not charge the batteries.
• Make sure the positive (+) and negative (–) ends of
the batteries are facing correctly.
CAUTION
Misuse of batteries can cause them to leak resulting in
damage to nearby objects, or to explode, creating the risk of
fire and personal injury. Always make sure you observe the
following precautions.
• Use only batteries that are specified for use with this
product.
• Remove batteries from the product if you do not plan
to use it for a long time.
Power Supply
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 AA-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.
NOTE
• 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.
642A-E-016A
LK55_e_08-21.p65 03.10.7, 5:30 PM14