dB Technologies OPERA LIVE Series Посібник користувача - Сторінка 4

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dB Technologies OPERA LIVE Series Посібник користувача

Carts and stands

Use only with a cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the

apparatus. When a cart is used, use caution when moving the cart/apparatus combination to avoid

injury from tip-over.

Non-use Periods:

Unplug this apparatus during lightning storms or when unused for long periods of time.

Object and Liquid Entry

Care should be taken so that objects do not fall and liquids are not spilled into the enclosure through

openings.

Damage Requiring Service

Refer all servicing to qualified service personnel. Servicing is required when:

the apparatus has been damaged in any way;

the power-supply cord or the plug has been damaged;

the liquid had been spilled or objects have fallen into the apparatus;

the apparatus has been exposed to rain or moisture

the apparatus does not operate normally or exhibits a marked change in performance;

the apparatus had been dropped.

Servicing:

The user should not attempt to service the apparatus beyond that is described in the Operating

Instructions. All other servicing should be referred to qualified service personnel.

IMPORTANT NOTES

This manual is to be considered an integral part of the product, and must always accompany the

speaker when it changes ownership as a reference for correct installation and operation as well as for

the safety regulations.

dB Technologies will not assume any responsibility for incorrect installation of the speaker.

OPERATING PRECAUTIONS

Do not force the amplifier incorporated in the speaker to work in overload for extended periods

of time.

Never force the control elements (switches, controls, etc.).

CAUTION

Make sure that the speaker is positioned in a stable and secure way in order to avoid any

dangerous conditions for persons or objects.

CONNECTION

CAUTION

For connecting the speaker, use only qualified and experienced personnel having sufficient

technical knowledge or specific instructions for making the connections correctly and thus

preventing electrical dangers.

To prevent the risk of electrical shock, the speaker must only be supplied from the mains after all

connections have been completed.

Before powering up the speaker, it is advisable to re-check all the connections, making sure in

particular that there are no short circuits.

The entire sound system must be designed and installed in compliance with the current

standards and regulations regarding electrical systems.

CAUTION

To prevent inductive phenomena from giving rise to hum or disturbance which would jeopardize

efficient speaker operation, the cables that transmit microphone signals or line level signals

(e.g. 0 dB/V) must be screened and should not be run in the vicinity of:

PROTECTION SYSTEM

The speaker is equipped of a exclusive system, which protects the loudspeakers against overheating,

ensuring the maximum reliability in all professional applications. In addition, a sophisticated system

incorporated in the amplifier handles the limiter circuits and the protection against overheating and

short circuits.

Equipment that produces strong magnetic fields (e.g. large power supply transformers)

Electrical energy conductors

Lines that supply speakers.