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Power Requirements

Although the instrument will run either from an AC

adaptor or batteries, Yamaha recommends use of an

AC adaptor whenever possible. An AC adaptor is

more environmentally friendly than batteries and

does not deplete resources.

Using an AC Adaptor

1 Make sure that the power of the instrument is off.

WARNING

• Use the specified adaptor (refer to "Specifications" on

page 11). Using the wrong adaptor can result in dam-

age to the instrument or overheating.

2 Connect the AC adaptor to the power supply jack.

3 Plug the AC adaptor into an AC outlet.

CAUTION

• When using a power adaptor, even when the power is

off, a small amount of electricity is still being con-

sumed by the instrument. When you are not using the

instrument for a long time, make sure to unplug the

AC adaptor from the wall AC outlet.

 Notice for the AC adaptor

Depending on your particular locale, the AC adaptor

having a separable plug should be used. In this case,

make sure to follow the explanations below for your

safety.

If the plug is accidentally removed from the AC

adaptor

Without touching the metallic section, slide the plug

into place as shown below then push it in completely

until you hear the click sound.

AC outlet

adaptor

Slide the plug as

indicated.

The shape of the

plug differs depend-

ing on locale.

WARNING

• Make sure to keep the plug attached to the AC adaptor.

Using the plug alone can cause electric shock or fire.

• Never touch the metallic section when attaching the plug.

To avoid electric shock, short circuit or damage, also be

careful that there is no dust between the AC adaptor and

plug.

Using Batteries

WARNING

• See the "Battery" section in the Precautions.

 Installing the batteries

1 Make sure that the power of the instrument is off.

2 Open the battery compartment cover located on

the instrument's bottom panel.

3 Insert six new 1.5V "AA" size alkaline batteries

or 1.2V rechargeable Ni-MH batteries (recom-

mended), being careful to follow the polarity

markings on the inside of the compartment.

4 Replace the compartment cover, making sure that

it locks firmly in place.

PSR-F51 Owner's Manual