Bedienungsanleitung Alto Professional Black 12 (Seite 4 von 36) (Deutsch, Englisch, Holländisch, Französisch, Italienisch, Spanisch)

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Important Safety Precautions

Please note: Alto Professional and inMusic are not responsible for the use of its products or the misuse of

this information for any purpose. Alto Professional and inMusic are not responsible for the misuse of its

products caused by avoiding compliance with inspection and maintenance procedures. Please also refer to

the included safety and warranty manual for more information.

Suspenion/Rigging

• Only qualified persons using safe rigging standards should install this loudspeaker. The installer

is responsible for proper selection and use of hardware to properly and safely install the

speakers.

• Always install loudspeakers in accordance with applicable electrical and building codes.

• This loudspeaker should be suspended only from its suspension points (M10 x 1.5PH, 30mm

length).

• Do not suspend multiple loudspeakers in a vertical array.

• Make sure your cables are out of the way of performers, production crew, and audience so they

will not trip over them, pulling the loudspeaker off the stand or pole.

Stand-Mounting

• Always install loudspeakers in accordance with applicable electrical and building codes.

• Install the loudspeaker according to its maximum weight. Check the specifications of your stand

or pole to ensure it can support the loudspeaker's weight. Also, observe all safety precautions

specified by the manufacturer.

• Do not mount multiple loudspeakers on the same stand or pole.

• Always verify that the stand or pole is on a flat, level, and stable surface. Also, fully extend the

legs of tripod-style stands, and ensure its legs do not present a trip hazard.

• Inspect the stand (or pole and associated hardware) before each use and do not use equipment

with worn, damaged, or missing parts.

• Always be cautious in windy, outdoor conditions. You may need to place additional weight (e.g.,

sandbags) on stand's base to improve stability. Do not attach banners or similar items to any

part of a loudspeaker system. Such attachments could act as a sail and topple the system.

• Unless you are confident that you can handle the loudspeaker's weight, ask another person to

help you lift it onto the stand or pole.

• Make sure your cables are out of the way of performers, production crew, and audience so they

will not trip over them, pulling the loudspeaker off the stand or pole.

Sound Level

Permanent hearing loss may be caused by exposure to extremely high noise levels. The U.S.

Occupational Safety and Health Administration (OSHA) has specified permissible exposures to

certain noise levels. According to OSHA, exposure to high sound pressure levels (SPL) in excess of

these limits may result in hearing loss. When using equipment capable of generating high SPL, use

hearing protection while such equipment is under operation.

Hours per day SPL (dB) Example

8 90 Small gig

6 92 Train

4 95 Subway train

3 97 High level desktop monitors

2 100 Classical music concert

1.5 102 Riveting machine

1 105 Machine factory

.50 110 Airport

.25 or less 115 Rock concert

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Libble nimmt den Missbrauch seiner Dienste sehr ernst. Wir setzen uns dafür ein, derartige Missbrauchsfälle gemäß den Gesetzen Ihres Heimatlandes zu behandeln. Wenn Sie eine Meldung übermitteln, überprüfen wir Ihre Informationen und ergreifen entsprechende Maßnahmen. Wir melden uns nur dann wieder bei Ihnen, wenn wir weitere Einzelheiten wissen müssen oder weitere Informationen für Sie haben.

Alto Professional Black 12 Seite 4

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