Beyerdynamic SIR 802 User manual

Operating Instructions

Ver. 1.0

SIR 802

High Power Radiator

SIR 802

2Copyright by beyerdynamic GmbH & Co. KG

SIR is a trademark of beyerdynamic GmbH & Co. KG.

Printed in Germany

If you have any questions about this manual please contact:

beyerdynamic GmbH & Co. KG

Theresienstr. 8

D-74072 Heilbronn

Tel. +49 (0)7131 617-0

Fax +49 (0)7131 617-224

E-Mail info@beyerdynamic.de

You will find further information about our products on the internet at:

www.beyerdynamic.com

beyerdynamic GmbH &. Co. KG

similar methods.

beyerdynamic reserves the right to make changes without notice.

Nov 2009

SIR 802

Content

About this manual ........................................................................................................... 4

Symbols ..................................................................................................................................................................................................... 4

Important indications ...................................................................................................... 6

General information ................................................................................................................................................................................... 6

Safety information...................................................................................................................................................................................... 6

1. Description................................................................................................................... 7

1.1 System Function.................................................................................................................................................................................. 7

1.2 Uses ..................................................................................................................................................................................................... 7

1.3 Components ........................................................................................................................................................................................ 8

2. SIR 802 High Power Radiator IRad............................................................................. 8

Description ................................................................................................................................................................................................. 8

3. Installation.................................................................................................................. 11

3.1 Installation of the Infrared System .................................................................................................................................................... 11

3.1.1 Planning the Infrared field ......................................................................................................................................................... 11

3.1.1.1 Number of channels to be transmitted ............................................................................................................................. 12

3.1.1.2 Size of infrared field to be planned................................................................................................................................... 12

3.1.1.3 Seating arrangement......................................................................................................................................................... 14

3.1.1.4 Possible positions for radiators and their height .............................................................................................................. 15

3.1.1.5 Lighting conditions ............................................................................................................................................................ 15

3.1.1.6 Surfaces of walls, ceilings and floors, curtains ................................................................................................................ 16

3.1.1.7 Sources of electrical interference ..................................................................................................................................... 16

3.1.2 Installation of the radiators........................................................................................................................................................ 16

3.1.2.1 Assembly with CA 5301 (Order # 484.776)...................................................................................................................... 17

3.1.2.2 Tripod assembly with the ST 600 (Order # 421.316)....................................................................................................... 18

3.1.3 Connecting the radiators to the control console (band II operation) ....................................................................................... 19

3.1.4 Distribution Amplifier, cable lengths, terminal resistance ........................................................................................................ 19

Scope of delivery........................................................................................................... 21

Accessories.............................................................................................................................................................................................. 21

Appendix ........................................................................................................................22

Technical Data ......................................................................................................................................................................................... 22

Trouble shooting ...................................................................................................................................................................................... 23

SIR 802

4Copyright by beyerdynamic GmbH & Co. KG

About this manual

Symbols

The following symbols and fonts are used in this manual:

Indicates an important note, which has to be followed to guarantee that the functions of the unit, the

security of any data or your health are not put at risk

Indicates additional information, remarks and tips

Describes activities that must be performed in the shown order

Words in bold letters require your special attention

SIR 802

CAUTION

DANGER OF ELECTRIC SHOCK

DO NOT OPEN DEVICES

Do not open housing with mains cable connected.

Maintenance operations may only be executed by

qualified personnel.

Our equipment and installations have been built and tested according to the latest state of the art. Under

normal conditions, they do not require any special maintenance.

However, please be aware of the following:

Positioning - secure and stable position of the equipment

Ventilation - operate equipment with proper ventilation. Avoid heat sources such as heating radiators

etc.

Mains connection – pass all power cables so that they will not be damaged

Cable connections - avoid trip-traps

Liquids - avoid penetration of liquids into the housing

Power sockets - operate equipment only with power sockets that are connected to ground according to

the relevant specifications and regulations

Warning: Never expose equipment to rain or humidity

Rough handling of the equipment, such as strong shocks or vibrations, may result in damages. Inappropriate

handling and storage, which does not conform to the operating instructions, may also lead to equipment

damages

SIR 802

6Copyright by beyerdynamic GmbH & Co. KG

Important indications

General information

Please read this manual carefully before starting operation. Keep this manual together with the SIR 802

radiator. If you pass on the units to other parties, please include this manual.

Because the radiator only operates in connection with appropriate receiver (SIR 320), here some important

notes:

Don’t use non rechargeable and rechargeable batteries together in one receiver!

You will invalidate the warranty and damage the receiver.

In no case it is allowed to charge receivers with non rechargeable batteries!

Attention! – Polarity

During insertion of new non rechargeable/rechargeable batteries take care of the correct polarity.

Wrongly inserted batteries will cause malfunctions. Wrongly inserted batteries can leak and destroy

the equipment.

Changing of batteries

When changing the batteries the receiver may stop reacting. In this case please carry out a hardware

reset. (See paragraph Operation > Hardware reset)

The warranty invalidates, if you cause (generate, precipitate) inappropriate use or handling of the

unit.

Safety information

The receiver should not be used at the maximum volume setting (value 15), because high volume

levels might damage your hearing!

If other headphones than beyerdynamic models are used then a sound pressure of 96dB SPL at

maximum volume may be not exceeded.

Please contact our service / sales team if you have any questions

SIR 802

1. Description

1.1 System Function

SIR is a system for the wireless transmission of sound using infrared light. One of the most important

applications is the simultaneous-interpretation mode in combination with interpreter consoles (e.g. SIS).

The SIR system consists of several components:

The main component is the control console. The input sources are signals from several audio components

(for instance, several different language channels with simultaneous interpretation). It converts them into the

appropriate FM signals for wireless transmission.

Infrared radiators transmit the information carried by the audio channels in the form of frequency-modulated

infrared light.

Within the radiator's range, receivers are used to pick up the information transmitted in the form of infrared-

light signals. These receivers are about the size of a pack of cigarettes. Headphones are plugged in to listen

to the audio output. Receivers can be moved anywhere within the area that is fully illuminated by the

radiators. They can be switched to receive up to 32 channels.

Whenever the SIR system is used as a simultaneous-interpretation installation it operates in combination

with one or several interpreter consoles, feeding in the various languages into the appropriate outgoing

channels. The interpreter consoles also incorporate a number of functions that are essential to ensure the

continuously transmission of simultaneous translation.

The interpreter consoles are installed inside sound-proofed interpreter booths.

Interpreters inside these booths using headphones to listen to the original sound, which is normally called

the floor channel. At the same time, they speak their translation - simultaneously in another language.

Where ever we have a combination of an SIR system and SIS interpreter consoles it is SIR to transmit

several wireless audio channels simultaneously to a conference room.

The purpose of the interpreter console is to feed in the various languages to the appropriate outgoing

channels.

1.2 Uses

In combination with a microphone management system (such as MCS-D 200, MCW-D 200), the system

can provide the best possible communication for organised events that need to use several languages:

Each and every participant (a term often used is "delegate") can use the microphone system to speak, and

what he or she says will be translated simultaneously so that other delegates will be able to listen to it in one

of several languages. This technique permits direct communication in several languages even at very

large-scale events.

It is simple to use SIR system in such a way that it is protected to the outside. Since all information is

transmitted in the form of light, it is possible to use opaque material to limit the conference area. Dark

curtains drawn across windows, for instance, are enough to shield a room reliably from the outside world.

Although the SIR system is normally used in combination with an interpretation system and microphone-

management system, it is also possible to use it for other purposes.

During organised events, for instance, it is possible to use infrared light to transmit information to individual

participants wearing receivers without disturbing anyone else.

Another example might be museums. There it is possible to provide information on individual exhibits by

means of infrared light radiated only to a limited space in front of the particular exhibit. Visitors listen to the

information with a receiver and headphones.

SIR 802

8Copyright by beyerdynamic GmbH & Co. KG

1.3 Components

The SIR 802 radiator is part of a system to transmit signals (e.g. languages). The SIR system is comprised of

the following individual devices:

•SIR 800 IR-Transmitter (for modulation of the audio-input)

•SIR 802 IR-Radiator (for transmission of the modulated audio-signal)

•SIR 320 IR-Receiver with headphone (for receiving the modulated light and converting it into an

audio signal)

•CA 5214 Distribution amplifier with power supply, in cases where larger numbers of infrared

radiators need to be installed

•SIR 50 C Charging/Storage case for 50 SIR 320 Receivers

2. SIR 802 High Power Radiator

Description

The SIR 802 belongs to the latest generation of infrared high power radiators of the SIR product family

usable in band II. Up to 32 channels can be transmitted simultaneously in FM quality on different

frequencies.

The SIR 802 only weighs about 5 kg. So it is the perfect radiator for portable use. The transmission output of

more than 20 watts makes it particularly suitable for use in large rooms and halls.

The radiator has a built-in power supply and is automatically switched on by a high-frequency sensor (via

BNC connector).

The different modes of operation like power supply or half power performance is displayed through different

LED colour on the front of the radiator. This means the operation is verifiable by visual contact.

The connection between transmitter and high-power radiator is done by coaxial cable via BNC connectors.

Up to 10 radiators can be connected in a line.

The high power radiator SIR 802 does not require a cooling fan; the heat exchange takes place by

convection. An absolutely noise-free operation is guaranteed.

The housing is made of black plastic.

The radiator is equipped with a swivel bracket for mounting on wall, ceiling or tripod (see accessories).

Additional to the ESD-protection the radiator is equipped with a temperature control. This control decreases

the radiator output power or switches completely off in the event that the temperature is too high. This mode

is indicated by different colours of LED-light at front.

SIR 802

Figure 1

1 Status Indication by LED (multicolour) displays the current mode of operation:

•blue flashing: OFF (Standby)

•blue permanent: ON (full IR power out)

•yellow permanent: ON (half IR power out)

•red flashing: failure, e.g. excess temperature, one or more diode-lines are defective, other

malfunction

SIR 802

10 Copyright by beyerdynamic GmbH & Co. KG

Figure 2

2 Mains power connector (100V to 240VAC)

3 Mains socket for further radiators (max. 10 at one socket in one chain)

4 Switch for 50% / 100% IR power output see Figure 3 next page

5 RF-input with one BNC-connector (50 Ohm). The second parallel electric BNC socket is used to loop

through the signal.

6 Switch for line termination (50 Ohm); the last radiator in a line is set to ON see Figure 3 next page

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