System Description And Planning; System Overview; Infra-Red Transmitter; Infra-Red Radiators - Shure DT 6008 User Manual

DIS Digital Conference System

System description and planning

System overview

DCS 6000 Digital IR is a system for wireless
distribution of audio signals via infra-red radiation.
It can be used in a simultaneous interpretation
system for international conferences where multiple
languages are used.
To enable all participants to understand the
proceedings, interpreters simultaneously translate
the speaker's language
interpretations are
conference venue,
language of their choice and listen to it through
headphones.
The DCS 6000 Digital IR system can also be used
for music distribution (mono as well as stereo).
Figure 0-A DCS 6000 Digital IR system overview (with DCS 6000-
system as input)
The DCS 6000 Digital IR Audio distribution System
comprises one or more of the following:

Infra-red transmitter

The transmitter is the core of the DCS 6000 Digital
IR system. Two types are available:
•
DT 6008 with inputs for 8 audio channels
•
DT 6032 with inputs for 32 audio channels

Infra-red radiators

Two types of radiators are available:
•
RA 6013 medium-power radiator for small/
medium conference venues
•
RA 6025 high-power radiator for medium/large
conference venues
as required.
distributed throughout
and delegates select
Both types can be switched between full and half
power use. They can be mounted on walls,
ceilings or floor stands.

Infra-red receivers

Three multi-channel infra-red receivers are
available:
•
DR 6004 for 4 audio channels
•
DR 6008 for 8 audio channels
•
DR 6032 for 32 audio channels
These
the
They can operate with a rechargeable NiMH
the
battery
Charging circuitry is incorporated in the receiver.
Note: The charging unit used for charging the
receivers fitted with a rechargeable NiMH battery
pack as well as the rechargeable battery pack will
not be available before year 2006.

System technology

IR radiation

The DCS 6000 Digital IR system is based on
transmission by modulated infra-red radiation.
Infra-red radiation forms part of the electro-
magnetic spectrum, which is composed of visible
light, radio waves and other types of radiation. It
has a wavelength just above that of visible light.
Like visible light, it is reflected from hard
surfaces,
materials such as glass.
The infra-red radiation spectrum in relation to
other relevant spectra is shown in Figure 0-A.
%
100
75
1
50
25
4
2
0
400
1
2
3
4
5
Figure 0-A
5
pack or with disposable
yet passes through
500 600 700
Daylight spectrum
Sensitivity of the human eye
IR radiator
Sensitivity of IR sensor
Sensitivity of IR sensor with daylight filter
Infra-red radiation spectrum in relation to other
spectra
User Manual
batteries.
translucent
5 3
800 900 1000 nm