Radio Shack LK-1261, Owner'S Manual

E-12

Power Supply

648U-E-014A

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
i n t o   t h e   b a t t e r y
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.

Important Battery Information

■

The following shows the approximate battery life.

Alkaline batteries .................................... 4 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 indicator.
• 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 play.
• Loss of power, sound distortion, or low volume when

playing from a connected computer or MIDI device.

• Abnormally low microphone volume.
• Distortion of microphone input.
• Dim power supply indicator when a microphone is used.

 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.

Using the AC Adaptor

To power the keyboard from an AC outlet, you need an AC
adaptor and a size M Adaptaplug

TM

 (neither supplied,

available at your local RadioShack store or online
www.RadioShack.com).

 CAUTION

You must use a class 2 AC power source that supplies 9 V DC
and delivers at least 800 mA. Its center tip must be set to negative
and its plug must fit the keyboard’s DC 9 V jack. Using an adaptor
that does not meet these specifications could damage the
keyboard or the adaptor.

Also note the following important warnings and precautions
when using the AC adaptor.

AC adaptor

AC outlet

DC 9V jack

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