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Please read the following operating precautions before use. Yamaha will not be held responsible for any damage and/or injury caused by

not following the cautions below.

1. To assure the finest performance, please read this manual

carefully. Keep it in a safe place for future reference.

2. Install the speakers in a cool, dry, clean place – away from

windows, sources of heat, sources of excessive vibration,

dust, moisture or cold. Avoid sources of electrical humming

(e.g., transformers and motors). To prevent fire or electric

shock, do not expose the speakers to rain or water.

3. To prevent the enclosure from warping or discoloring, do not

expose the speakers to direct sunlight or excessive humidity.

4. Avoid installing the speakers where foreign objects may fall

onto them and/or where they may be exposed to liquid

dripping or splashing.

5. Do not place the following objects on top of the speakers:

– Other components, as they might damage or discolor the

surface of the speakers.

– Burning objects (e.g., candles), as they might cause fire,

damage to the speakers or personal injury.

– Containers of liquid, as they might spill and cause electric

shock to the user or damage to the speakers.

6. Do not place the speakers where they are liable to be knocked

over or struck by falling objects. Stable placement will also

ensure better sound performance.

7. Placing the speakers on the same shelf or rack as the

turntable can result in feedback.

8. Any time you note distortion, reduce the volume control on

your amplifier to lower setting. Never allow your amplifier to

be driven into "clipping". Otherwise, the speakers may be

damaged.

9. When using an amplifier with a rated output power higher

than the nominal input power of the speakers, care should be

taken not to exceed the maximum input of the speakers.

10. Do not attempt to clean the speakers with chemical solvents

as this might damage the finish. Use a clean, dry cloth.

11. Do not attempt to modify or fix the speakers. Contact

qualified Yamaha service personnel when service is needed.

The cabinet should never be opened for any reason.

12. Be sure to read the "Troubleshooting" section regarding

common operating errors before concluding that the speakers

are faulty.

13. Secure placement or installation is the owner's

responsibility. Yamaha is not liable for accidents caused

by improper placement or installation of speakers.

Precautions

For NS-SW280

WARNING

TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK,

DO NOT EXPOSE THIS APPLIANCE TO RAIN OR

MOISTURE.

1. Do not operate this unit upside down. It may overheat,

possibly causing damage.

2. Do not use excessive force on switches, controls or

connection wires. When moving this unit, first disconnect the

power plug and the wires connected to other equipment.

Never pull the wires themselves.

3. Never put a hand or a foreign object into the port located on

the right side of this unit. When moving this unit, do not hold

the port, as it might cause personal injury and/or damage to

this unit.

4. Since this unit has a built-in power amplifier, heat radiates

from the rear panel. Place the unit away from walls, allowing

at least 20 cm (8") of space above, behind and on both sides

of the unit to prevent fire or damage. Furthermore, do not

position the unit with the rear panel facing down on the floor

or other surfaces.

5. When using a humidifier, be sure to avoid condensation

inside this unit by allowing enough space around the unit and

avoiding excess humidification. Condensation might cause

fire, damage to the unit, and/or electric shock.

6. Do not cover the rear panel of this unit with a newspaper,

tablecloth, curtain, etc. to avoid obstructing heat radiation. If

the temperature inside the unit rises, it may cause fire,

damage to the unit, or personal injury.

7. Do not plug this unit into a wall outlet until all connections

are complete.

8. The voltage to be used must match that specified on the rear

panel. Using this unit with a voltage higher than specified is

dangerous and may cause fire, damage to the unit, and/or

personal injury. Yamaha is not responsible for damage result-

ing from use of this unit with a voltage other than specified.

9. Super-bass sound reproduced by this unit may cause a

turntable to generate audio feedback. In this case, move the

unit away from the turntable.

10. This unit may be damaged if certain sounds are continuously

output at high volume level. For example, if 20 Hz–50 Hz

sine waves from a test disc or bass sounds from an electronic

instrument, etc. are continuously output, or if a turntable

stylus touches the surface of a disc, reduce the volume level

to prevent the unit from being damaged.

11. If you hear distorted noise (i.e., unnatural, intermittent

"rapping" or "hammering" sounds) from this unit, reduce the

volume level. Extremely loud movie soundtrack low

frequency, bass-heavy sounds, or similarly loud popular

music passages can damage this unit.

12. Vibration generated by super-bass sound may distort images

on a TV. In this case, move the unit away from the TV set.

13. When disconnecting the power cord from the wall outlet,

grasp the plug; do not pull the cord.

14. When you plan not to use this unit for a long period of time

(i.e. vacation, etc.), disconnect the AC power plug from the

wall outlet.

15. Install this unit near the wall outlet and where the AC power

plug can be reached easily.