Alto-professional Trouper User Manual download pdf (Page 4)

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.

Caution: To reduce the risk of electric shock, do not connect TROUPER to a power

outlet while the grille is removed.

Note: For electrostatic discharge (ESD) tests ETSI EN 301 489-1 & ETSI EN 301 489-

17, if the unit receives ESD, you may need to use your Bluetooth device’s Settings

menu to manually reconnect.

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

0.50 110 Airport

0.25 or less 115 Rock concert

1 2 3 4 5 6 7 8 9 ... 39 40

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Alto-professional Trouper User Manual Page 4

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