Yamaha KMA-700 Manuale d'uso - Pagina 6

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INTRODUCTION

Thank you for your purchase of the Yamaha KMA-700/KMA-500 Digital Karaoke Mixing Amplifier.

This document is the owner's manual for both KMA-700 and KMA-500. Model names are given where the details of

functions are unique to each model. Illustrations for KMA-700 are mainly used for explanations.

Before using this unit, be sure to read this manual so that you can take full advantage of the features of this unit.

After you finish reading, keep this manual in a safe place in case you need it in the future. The manual should be very

helpful in understanding the Digital Karaoke Mixing Amplifier and solving any difficulties that may arise during use.

■ Do not install the unit in the following

locations:

• In places exposed to direct sunlight or near heat

sources, such as a radiator.

• In places where heat cannot escape due to poor

ventilation, or are very humid or dusty.

• On a sloping surface or exposed to excessive vibration.

■ Connection precautions

• Be sure to switch off the power of the relevant

equipment before making any connection.

• The white input/output jacks of the amplifier are

designed for the left channel, while the red input/output

jacks are for the right channels. Be sure to connect the

cords without making a mistake in the color codes for

the left and right channels.

• Insert the plugs of the connection cords securely into

the jacks. If the connection is incomplete, there may be

no sound produced or noise may be generated.

• When unplugging the power cable from the AC wall

outlet, be sure to hold the plastic molding of the plug

itself and pull.

• For KMA-700, set IMPEDANCE SELECTOR on the

rear panel before turning on the unit. Refer to

"IMPEDANCE SELECTOR" on page 7.

• Except in the case of the U.S.A. model, VOLTAGE

SELECTOR on the rear panel of this unit must be set

for your local main voltage BEFORE plugging the

power cable into the AC wall outlet. Refer to

"VOLTAGE SELECTOR" on page 9.

HANDLING PRECAUTIONS

BEFORE CONNECTING

• In places which may be exposed to rain, such as near a

window.

• In places which may be exposed to soot, vapor or heat,

such as near cooking facilities.

■ Power consumption of AC OUTLETS

(U.S.A. model only)

• Be careful that the total power consumption does not

exceed the wattage marked on the rear panel. Do not

connect appliances other than system components to

the AC OUTLETS of this unit.

• Do not connect a TV set to this unit; even if it indicates

a power consumption value below the permissible

value when the TV power is turned on.