AKG IVM4500 Specifications download pdf (Page 25)

1 Safety and Environment

Safety

High Volume

Important!

Table 1: Maximum expo-

sure to sound pressure

levels

. Do not spill any liquids on the equipment and do not drop any objects through

the ventilation slots in the equipment.

2. The equipment may be used in dry rooms only.

. The equipment may be opened, serviced, and repaired by authorized person-

nel only. The equipment contains no user-serviceable parts.

. Before connecting the equipment to power, check that the AC mains voltage

stated on the supplied power supply is identical to the AC mains voltage avail-

ble where you will use the equipment.

5. Operate the equipment with the included power supply with an output voltage

of 12 VDC only. Using adapters with an AC output and/or a different output volt-

ge may cause serious damage to the unit.

6. If any solid object or liquid penetrates into the equipment, shut down the sound

ystem immediately. Disconnect the power supply from the power outlet im-

mediately and have the equipment checked by AKG service personnel.

. If you will not use the equipment for a long period of time, disconnect the power

supply from the power outlet. Please note that the equipment will not be fully

isolated from power when you set the power switch to OFF.

8. Do not place the equipment near heat sources such as radiators, heating ducts,

or amplifiers, etc. and do not expose it to direct sunlight, excessive dust, mois-

ture, rain, mechanical vibrations, or shock.

9. To avoid hum or interference, route all audio lines, particularly those connected

to the microphone inputs, away from power lines of any type. If you use cable

ducts, be sure to use separate ducts for the audio lines.

10. Clean the equipment with a moistened (not wet) cloth only. Be sure to discon-

nect the power supply cable from the power outlet before cleaning the equip-

ment! Never use caustic or scouring cleaners or cleaning agents containing

alcohol or solvents since these may damage the enamel and plastic parts.

11. Use the equipment for the applications described in this manual only. AKG can-

not accept any liability for damages resulting from improper handling or misuse.

12. In some countries, you may need a permit for operating your equipment. Be

sure to contact the respective authority of the country where you are going to

operate your equipment.

13. Any modifications made to the equipment without the express consent of AKG

may lead to violations of telecommunications legislation voicing the operating

permit.

Listening over headphones at excessive sound pressure levels, particularly

over extended periods of time, may damage your hearing! Therefore, always

set the volume as low as possible.

Table 1 is based on German research in occupational medicine and lists maximum

exposure times for high volume levels before hearing damage occurs. Please note

that local legislation where you will use your equipment may differ from the values

in Table 1. Basically, you can double the maximum exposure time without damag-

ing your ears by reducing the sound pressure level by 3 dB.

To protect your ears from damage, follow a few tips:

1. Set the volume just high enough to hear properly.

IVM

4500

Sound pressure Maximum exposure

85 dB(A) 8 hours

88 dB(A) 4 hours

91 dB(A) 2 hours

94 dB(A) 1 hour

97 dB(A) 30 minutes

100 dB(A) 15 minutes

120 dB (A) Threshold of pain

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AKG IVM4500 Specifications Page 25

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