ASL INTERCOM PS 6379 Kullanıcı Kılavuzu - Sayfa 18

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14.0

DESIGN CRITERIA

Applications / Environment of use

ASL Pro Series equipment is designed for use as a

wired communications system in theatres, in

Radio/TV production facilities, in factories, and in

utilities complexes such as airports, railway stations

and coach terminals.

ASL equipment can be used outdoors in normal

weather conditions. In conditions with excessive

cold (<-10° C), heat (>50° C) or humidity (>85%),

ASL equipment might not perform properly.

ASL equipment is not designed to be used under

water, or in situations where explosion safe

equipment is specified by authorities.

Emission

ASL Pro Series equipment does not generate high

frequency (HF) signals. An ASL power supply can

generate a weak magnetic field caused by the

power transformer. To avoid possible negative

affects, keep ASL power supplies at a safe distance

from equipment which is very sensitive to magnetic

fields.

Immunity

ASL Pro Series is designed on the base of low

impedance signal transport. User stations and

power supplies are to be connected via low capacity

cabling with an overall screen (also see Cabling

section). Therefore, HF signals are adequately

rejected to maintain an intelligible communication,

unless strong electro-magnetic fields (exceeding 3

V/m) are in the direct vicinity of the interconnecting

cables.

ASL 19" rack mount units are housed in a 1 mm

steel enclosure (closed construction), which offers,

by nature, the highest possible rejection of electro-

magnetic fields

ASL speaker stations (PS 130/230/430) are housed

in an enclosure made of 1 mm steel with ABS side

panels, which offers adequate rejection of electro-

magnetic fields.

ASL beltpacks are housed in an ABS enclosure and

are slightly more sensitive to electro-magnetic fields.

Negative effects in the performance of beltpacks

can be avoided when keeping them at a safe

distance from equipment which might radiate strong

electro-magnetic fields, such as transmitters

antennas and dimmers.