Yamaha YHT-693 Manuale d'uso - Pagina 4

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CAUTION: Read this before operating your unit

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.

• To assure the finest performance, please read this

manual carefully. Keep it in a safe place for future

reference.

• Install this unit in a cool, dry, clean place - away from

windows, heat sources, sources of excessive vibration,

dust, moisture and cold. Avoid sources of humming

(transformers, motors). To prevent fire or electrical

shock, do not expose this unit to rain or water.

• Never open the cabinet. If something drops into the set,

contact your dealer.

• The voltage to be used must be the same as that specified

on the rear panel. Using this unit with a higher voltage

than specified is dangerous and may cause a fire and/or

electric shock.

• To reduce the risk or fire or electric shock, do not expose

this unit to rain or moisture.

• Do not use force on switches, controls or connection

wires. When moving the unit, first disconnect the power

plug and the wires connected to other equipments.

Never pull the wires themselves.

• When not planning to use this unit for a long period (ie.,

vacation, etc.), disconnect the AC power plug from the

wall outlet.

• Since this unit has a built-in power amplifier, heat will

radiate from the rear panel. Place the unit apart from the

walls, allowing at least 20 cm of space above, behind and

on both sides of the unit to prevent fire or damage.

Furthermore, do not position with the rear panel facing

down on the floor or other surfaces.

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

a tablecloth, a curtain, etc. in order not to obstruct heat

radiation. If the temperature inside the unit rises, it may

cause fire, damage to the unit and/or personal injury.

• Do not place the following objects on this unit:

- Glass, china, small metallic etc.

If glass etc. falls by vibrations and breaks, it may cause

bodily injury.

- A burning candle etc.

If the candle falls by vibrations, it may cause fire and

bodily injury.

- A vessel with water in it

If the vessel falls by vibrations and water spills, it may

cause damage to the speaker, and/or you may get an

electric shock.

• Do not place this unit where foreign objects such as

water drips might fall. It might cause a fire, damage to

this unit, and/or personal injury.

iii

Thank you for selecting this YAMAHA subwoofer system.

• Never put a hand or a foreign object into the YST 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.

• Never place a fragile object near the YST port of this

unit. If the object falls or drops by the air pressure, it may

cause damage to the unit and/or personal injury.

• Never open the cabinet. It might cause an electric shock

since this unit uses a high voltage. It might also cause

personal injury and/or damage to this unit.

• When using a humidifier, be sure to avoid condensation

inside this unit by allowing enough spaces around this unit

or avoiding excess humidification. Condensation might

cause a fire, damage to this unit, and/or electric shock.

• Super-bass frequencies reproduced by this unit may

cause a turntable to generate a howling sound. In such a

case, move this unit away from the turntable.

• This unit may be damaged if certain sounds are

continuously outputted at high volume level. For

example, if 20 Hz-50 Hz sine waves from a test disc,

bass sounds from electronic instruments, etc. are

continuously outputted, or when the stylus of a turntable

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

prevent this unit from being damaged.

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

"rapping" or "hammering" sounds) coming from this

unit, reduce the volume level. Extremely loud playing of

a movie soundtrack's low frequency, bass-heavy sounds

or similarly loud popular music passages can damage

this speaker system.

• Vibration generated by super-bass frequencies may

distort images on a TV. In such a case, move this unit

away from the TV set.

• Do not attempt to clean this unit with chemical solvents

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

• Be sure to read the "TROUBLESHOOTING" section

regarding common operating errors before concluding

that the unit is faulty.

• Install this unit near the wall outlet and where the AC

power plug can be reached easily.

• Secure placement or installation is the owner's

responsibility. YAMAHA shall not be liable for any

accident caused by improper placement or

installation of speakers.

This unit features a magnetically shielded design, but

there is still a chance that placing it too close to a TV set

might impair picture color. Should this happen, move

this unit away from the TV set..

As long as this unit is connected to the AC wall outlet, it

is not disconnected from the AC power source even if

you turn off this unit by POWER.