Stemin Is 6 User manual

User manual

Interpreter System

IS 6

STEMIN GmbH

Audio - Video - Control Engineering

82 549 Koenigsdorf - GERMANY

1. SAFETY AND ENVIROMENT.......................................................................................................................4

1.1 SAFETY..........................................................................................................................................................4

1.2 ENVIROMENT.................................................................................................................................................4

2. DESCRIPTION .................................................................................................................................................5

2.1 INTRODUCTION..............................................................................................................................................5

2.2 UNPACKING...................................................................................................................................................5

2.3 OPTIONAL ACCESSORIES................................................................................................................................6

2.4 CENTRAL UNIT...............................................................................................................................................7

2.4.1 FRONT ........................................................................................................................................................7

2.4.2 BACK..........................................................................................................................................................8

2.5 CONFERENCE TERMINALS............................................................................................................................10

2.5.1 FRONT PANEL ...........................................................................................................................................10

2.5.2 BACKSIDE.................................................................................................................................................12

2.5.3 SIDEVIEW..................................................................................................................................................12

2.6 SERVICE – CONFERENCE-TERMINAL ............................................................................................................13

2.6.1 TOPSIDE....................................................................................................................................................13

2.6.2 BACKSIDE.................................................................................................................................................14

2.6.2.1 HEADPHONE JACK..................................................................................................................................14

2.6.2.2 VOLUME-CONTROL................................................................................................................................14

2.6.2.3 IN / OUT...............................................................................................................................................14

2.7 HEADSET .....................................................................................................................................................15

3. STARTUP ........................................................................................................................................................15

3.1 CONNECTING THE ORIGINAL SIGNAL............................................................................................................15

3.2 CONNECTING THE INTERPRETER CONFERENCE TERMINALS..........................................................................15

3.2.1 MAXIMUM CABLE LENGTH........................................................................................................................15

3.3 CONNECTING THE SERVICE CONFERENCE TERMINAL ...................................................................................15

3.3.1 MAXIMUM CABLE LENGTH........................................................................................................................16

3.4 CONNECTION OF EXTERNAL UNITS...............................................................................................................16

4. OPERATING...................................................................................................................................................16

4.1 POWERING UP ..............................................................................................................................................16

4.2 POWERING DOWN ........................................................................................................................................16

4.3 WORKING WITH THE CENTRAL UNIT ............................................................................................................16

4.3.1 INFLUENCING ORIGINAL SIGNAL ...............................................................................................................16

4.3.2 MICROPHONE SENSIVITY CONFERENCE TERMINALS..................................................................................16

4.3.3 LED – INDICATORS ..................................................................................................................................16

4.3.4 LEVEL-INDICATORS ..................................................................................................................................17

4.4 OPERATING THE INTERPRETER CONFERENCE TERMINALS ............................................................................17

4.4.1 OUTPUT-CHANNEL-SELECTION .................................................................................................................17

4.4.1.1 CHANNEL B ...........................................................................................................................................17

4.4.1.2 CHANNEL A...........................................................................................................................................17

4.4.1.3 INTERRUPT A.........................................................................................................................................17

4.4.2 CHECK-IN OF CONFERENCE TERMINAL......................................................................................................17

4.4.3 SERVICE CALL..........................................................................................................................................18

4.4.4 MONITORUNG...........................................................................................................................................18

4.4.5 SOUND ADJUSTMENT................................................................................................................................18

4.4.6 HEADSET ..................................................................................................................................................18

4.5 OPERATING WITH SERVICE – CONFERENCE TERMINAL.................................................................................18

4.5.1 SERVICE....................................................................................................................................................18

4.5.2 INTERRUPT A............................................................................................................................................18

5. CLEANING......................................................................................................................................................19

6. TROUBLE SHOOTING.................................................................................................................................19

STEMIN GmbH

Audio - Video - Control Engineering

82 549 Koenigsdorf - GERMANY

7. ANHANG .........................................................................................................................................................20

7.1 CABLE CONFIGURATIONS.............................................................................................................................20

7.1.1 IS6CAXX, CONNECTING CABLE FOR CONFERENCE TERMINAL ..................................................................20

7.1.2 IS6CACPXX, CONNECTING CABLE FOR ALLOCATION-PANEL ...................................................................20

8. BLOCK DIAGRAMS......................................................................................................................................21

8.1 CENTRAL UNIT.............................................................................................................................................21

8.2 CONFERENCE TERMINAL..............................................................................................................................22

8.3 DESKTOP POWER SUPPLY IS6PS1................................................................................................................23

8.4 SERVICE-CONFERENCE-TERMINAL...............................................................................................................23

8.5 HEADSET .....................................................................................................................................................23

9. TECHNICAL DATA.......................................................................................................................................24

9.1 CENTRAL UNIT IS6CU.................................................................................................................................24

9.2 INTERPRETER CONFERENCE TERMINAL IS6IU..............................................................................................25

9.3 DESKTOP POWER SUPPLY IS6PS1................................................................................................................25

9.4 SERVICE-CONFERENCE TERMINAL IS6CP....................................................................................................26

9.5 HEADSET IS6HS01......................................................................................................................................26

10. COPYRIGHT.................................................................................................................................................27

11. CE – DECLARATION..................................................................................................................................28

12. NOTES............................................................................................................................................................29

13. DOCUMENT VERSION ..............................................................................................................................29

STEMIN GmbH

Audio - Video - Control Engineering

82 549 Koenigsdorf - GERMANY

1. Safety and Enviroment

1.1 Safety

1. 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.

3. The equipment may be opened, serviced, and repaired by authorized personnel

only. The equipment contains no user-serviceable parts.

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

on the provided power supply is identical to the AC mains voltage available where

you will use the equipment.

5. Operate the equipment with the provided power supply IS6PS1 only. Using power

supplies with an AC output and/or a different output voltage may cause serious

damage to the unit.

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

system immediately. Disconnect the power cable from the power outlet immedia-

tely and have the equipment checked by our customer service.

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

cable from the power outlet. Please note that the equipment will not be fully isola-

ted 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, moisture,

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 disconnect

the power cable from the power outlet before cleaning the equipment! Never use

caustic or scouring cleaners or cleaning agents containing alcohol or solvents since

these may damage the enamel and plastic parts.

11. Be careful not to bend the pins of the plug when plugging in the connecting cables.

Don’t use force (danger of short-circuit!)

1.2 Enviroment

1. The IS6PS1 power supply will draw a small amount of current even when it’s

switched off. To save energy, disconnect the power cable from the power outlet if

you will leave the equipment unused for a long period of time.

2. When scrapping the equipment, separate the case, circuit boards, and cables, and

dispose all components in accordance with local waste disposal rules.

STEMIN GmbH

Audio - Video - Control Engineering

82 549 Koenigsdorf - GERMANY

2. Description

2.1 Introduction

Thank you for purchasing an STEMIN product. This manual contains important instruc-

tions for setting up and operating your equipment. Please take a few minutes to read

the instructions below carefully before operating the equipment.

Please keep the manual for future reference.

2.2 Unpacking

Check that the shipment contains all components in the quantities you ordered.

Should anything be missing, please contact you distributor.

Block diagrams and PIN-configuration of cables can be found in the appendix.

1. IS6CU, central unit

2. IS6PS1, power supply 70W with separate power cable

3. IS6IU, interpreter unit 6-part

4. Popfilter, included in conference terminal delivery capacity

5. IS6CAxx, connecting cable for interpreter conference terminals

IS6 CA02 2 meter cable length

IS6 CA05 5 meter cable length

IS6 CA10 10 meter cable length

IS6 CA15 15 meter cable length

IS6 CA20 20 meter cable length

6. User manual (this document)

STEMIN GmbH

Audio - Video - Control Engineering

82 549 Koenigsdorf - GERMANY

2.3 Optional accessories

1. IS6CP, service – conference terminal

2. IS6CACPxx, connecting cable for service – conference terminal

IS6CACP01 1 meter cable length

IS6CACP03 3 meter cable length

IS6CACP05 5 meter cable length

IS6CACP10 10 meter cable length

IS6CACP15 15 meter cable length

IS6CACP20 20 meter cable length

IS6CACP30 30 meter cable length

3. IS6HS01, headset

4. KH01, headphones, MONO

5. IS6TC1, carrying case for central unit and 2 conference terminals

IS6TC2, carrying case for 6 conference terminals

STEMIN GmbH

Audio - Video - Control Engineering

82 549 Koenigsdorf - GERMANY

2.4 Central unit

The Interpreter System IS6 is a compact interpreter-central-unit according to the inter-

national standard ISO2603. The Interpreter System Central Unit IS6CU supplies up to 6

interpreter booths. Per interpreter booth a maximum of 3 interpreter units of one langu-

age can be connected. The internal audio-matrix administers the original signal, the 6

foreign languages and the talk-back-channel from the interpreter to the chairman. The

control elements are laid out comfortable and in step with actual practice, they cover all

necessary functions. The service personnel is clearly informed about the operating con-

dition of the interpreter unit by numerous indicators. The original signal can be adapted

to all usual line-levels via a pre-controller. The volume of the original signal can be ad-

justed via the main-controller according to the current requirements.

The control elements for the administration of the interpreter-conference-terminals (lan-

guages) are equipped with a volume control as well as a channel-allocation-display, an

active-indicator and a indicator about the usage of the talk-back-channel. Furthermore

there are 8 level-indicators to check the audio-signals.

The IS 6 Conference System from STEMIN in a 19“ – 1RU - housing provides excellent

audio quality and uses single-cable technology for easy installation.

The power is supllied via the external desktop-power-supply IS6PS1

2.4.1 Front

INPUT ORIGINAL

Rotary control to adjust the volume of the original signal according to the current requi-

rements. Treble and bass can be adjusted separately.

INTERPRETER-BOOTH 1...6

The control elements for the administration of the interpreter-conference-terminals (lan-

guages) are equipped with a volume control as well as a channel-allocation-display, an

active-indicator and a indicator about the usage of the talk-back-channel.

LEVEL- INDICATOR ORIGINAL

Level-indicator to check the level of the original signal.

LEVEL- INDICATOR CHANNEL 1...6

Level-indicator to check the level of the 6 speaking channels.

If the speaking channels are not activated the original signal is displayed.

The system's levels should be set so that the yellow "0dB" – LED lights up at level

peaks, the red „+3dB“ – LED should not light up.

STEMIN GmbH

Audio - Video - Control Engineering

82 549 Koenigsdorf - GERMANY

LEVEL- INDICATOR SERVICE

Level indicator to check the level of the talk-back-channel.

POWER

With the rocker-switch the central unit is switched on („ | “) or off („ O ").

If the central unit is switched on the green LED „ON“ lights up. This happens with a time

delay of 2 seconds, while its internal voltage supply is stabilized.

This is not a main power switch! We therefore recommend connecting the power

supplie to a power circuit with an on/off switch. You can use this on/off switch as a

master switch for the entire system.

The LED " ERROR " lights up red if the fuse of the mainboard is defect, one of the in-

ternal fuses for the connection of the conference terminals is defect or if there’s a error

message from one of the connected conference terminals.

Hints for correction of possible defects can be found in chapter „6. Troubleshooting“.

2.4.2 Back

DC INPUT

Here either the provided desktop-power-supply DS1PS1 or any other power supply,

providing 24 - 36V, gets plugged in. Maximum current input can be up to 8A.

Make sure that the ports 0V and GND are bridged.

EXTERNAL CONTROL

Here, a information can be transferred to a interpreter unit to e.g. light up a LED.

PIN – assignment can be found in the appendix.

AUDIO OUT (Cinch)

Additional, unbalanced output for original signal, channel 1 – 6 and service and to con-

nect channel-selective recording devices (multi-channel), as e.g. Win RECX from STE-

MIN.

SERVICE

Here up to two optional service-conference-terminals IS6CP can be connected.

Therefore each IS6CP has two sockets at the back to simply loop-through the connecti-

on cable. With a service-conference-terminal switching status can be indicated or trigge-

red and „Service – Calls“ of the interpreters can be heard.

PIN – assignment can be found in the appendix.

AUDIO OUT (SubD)

Two SubD – ports to monitor the original signal and channels 1 – 6 (balanced). Both

ports are connected parallel internally. A direct connection of external monitor-amplifiers

is possible too. PIN – assignment can be found in the appendix.

STEMIN GmbH

Audio - Video - Control Engineering

82 549 Koenigsdorf - GERMANY

INTERPRETER UNIT 1...6

Here up to 3 interpreter units per channel can be connected. Whereas only the first unit

of a booth is directly connected to the central unit, all further conference terminals are

connected in series to each other.

PIN – assignment can be found in the appendix.

ORIGINAL IN

The original signal can be adapted to all usual line-levels via a pre-controller.

With the „+20dB“ DIP-switch low level signals can be raised by +20dB. With the black

trim-potentiometer the pre-amplification can be raised by another +20dB, whereby in-

put-signals from –40dBu up to 0dBu can be processed.

If phantom power is needed for a condenser microphone, the two DIP switches

"Phant.Pwr" have to be turned over.

1 = shield

2 = audio a (+)

3 = audio b (-)

STEMIN GmbH

Audio - Video - Control Engineering

82 549 Koenigsdorf - GERMANY

2.5 Conference terminals

The microprocessor-controlled interpreter panel IS6IU was developed for one simulta-

neous-interpreter each. Per interpreter-booth up to 3 conference terminals can be con-

nected, whereby the microphones inside one booth are gating each other, so that al-

ways only one microphone per booth is checked in. The conference terminal can be u-

sed with the integrated microphone-speaker-combination or a separately connectable

headset.

All control elements are functionally arranged, so that the conference terminal can be o-

perated intuitively. Additional the individual areas are good structured and severed opti-

cally through lines. Left-sided all elements are to be found, which are necessary for mo-

nitoring. Speaker, volume control, treble- and bass-control as well as a relay-push-

button with a selector-switch for activating the channels.

The channel-preselection-field is located on the right side. It contains the channel-

select-push-buttons with control- and busy-display for the A- and B-channel, a display to

show the activated channel as well as a change-over-push-button for the A – B – chan-

nel selection.

The microphone-push-button with LED, for optical feedback of the activated micropho-

ne, as well as the mute- (cough-) and service call-push-buttons are located centrally

since they are most frequently used.

The gooseneck of the microphone is the most sensitive part of the conference terminal,

it is not allowed to bend it beyond 90°, since this would lead to its destruction.

In order to prevent pop-noises - developed by explosive sounds such as p or t -, should

always be worked with the provided pop-filter (Acoustics-foam at the microphone).

2.5.1 Front panel

HEADSET ON

The conference terminal is able to recognize when a headset, respectively the mic-

rophone of a headset, is connected on the left side of the conference terminal and a y-

ellow LED lights up.

VOLUME HEADPHONES / HEADSET:

Rotary control to set the level of the headphones respectively the headset

STEMIN GmbH

Audio - Video - Control Engineering

82 549 Koenigsdorf - GERMANY

VOLUME SPEAKER

Rotary control to set the level of the speaker.

TREBLE- UND BASS-CONTROL

Treble and Bass can be adjusted separately. The adjustments affect both, the speaker

as well as the headphones.

CHANNEL SELECT-SWITCH

With the relay-push-button the monitoring of the selected channel is activated. When a

inactive channel is acitvated, the original signal will be heard.

MICROPHONE – PUSH-BUTTON

With the microphone – push-button the conference terminal is activated. That is indica-

ted via the LED and the red LED light indication ring at the microphone.

COUGH – PUSH-BUTTON

The cough – push-button temporarily mutes the microphone, the LED’s that indicate

speech readiness will die out as long as the push-button is pressed.

SERVICE CALL – PUSH-BUTTON

With the service call – push-button (ISO 2603) a signal can be send to the technician.

When using a optional service – conference terminal notifications can be send to the

technician or the chairman.

CHANNEL SELECTION – PUSH-BUTTON

With the „Channel A“ push-button the conference terminal is switched to the fix given

channel. The „Channel B“ push-button gives the possibility of choosing the channel

freely with the preselection push-buttons located above.

The seven-segment display shows the choosen channel. If the technican compulso-

rily sets a channel, „A“ for automatic is shown in the display.

STEMIN GmbH

Audio - Video - Control Engineering

82 549 Koenigsdorf - GERMANY

B – CHANNEL PRESELECTION – PUSH-BUTTONS

With the preselection – push-buttons it is possible to choose a channel by your-

self if the B-Channel modus is activated. For indication a yellow LED lights up in

respective push-utton. The channel is shown in the display. The active channel

is also shown at the central unit via a LED.

Depending on the configuration of the conference terminals, it is eather possible

to deactivate the channel selection (Standard) or to only switch between the

channels.

BUSY – INDICATOR

The red busy – LED’s are indicating the already active channels.

2.5.2 Backside

On the backside of the conference terminal are the connections from the central unit

respectively the connections to other conference terminals in the same booth.

In addition a connection for an optional control key with LED is available.

2.5.3 Sideview

HEADPHONE - JACK

If headphones are connected to the 3.5mm jack, the integrated speakers of the confe-

rence terminal mute automatically. Because there is no possibility of feedback when

headphones are connected, the headphone-signal is not muted when the own mic-

rophone is turned on.

MICROPHONE-JACK

If a microphone of a headset is connected to the 3.5mm jack, the integrated microphone

mutes and the LED light indication ring of the microphone wents out. In addition the y-

ellow LED of the headset-detection lights up.

STEMIN GmbH

Audio - Video - Control Engineering

82 549 Koenigsdorf - GERMANY

2.6 Service – conference-terminal

The service – conference-terminal IS6CP communicates directly with the IS6 central u-

nit to indicate and trigger switching status as well as make „Service – Calls“ of the inter-

preter be heard. Thereby the operating comfort of the IS6 central unit widens conside-

rably.

If the IS6CP is positioned with a technician the interpreters are e.g. able to make an

technical emergency call. If the service – conference-terminal is placed with the chair-

man of a discussion meeting then queries of e.g. slower or articulately speech and a re-

quest to repeat a sentence can be issued. Other imaginable applications for the talk-

back-channel are e.g. a type of „usher call“ for refreshments or similar.

Incoming „Service – Calls“ of the interpreters are amplified and put out via the integra-

ted speaker of the IS6CP. The hearing volume can be adjusted using the rotary control

at the backside of the device. There is also a 3.5mm headphone-jack. If headphones

are used the speakers are automatically muted.

Up to two service-conference-terminals can be used with one central unit. Therefore e-

very IS6CP has two RJ45-sockets on the backside to simply loop-through the connecti-

on cable (CAT5).

2.6.1 Topside

OPERATING STATE INDICATOR

The green LED lights up when the service-conference-terminal has operating voltage.

SERVICE – PUSH-BUTTON

With the service – push-button an information can be send to the central unit and con-

sequently also to the outside or to every single interpreter-conference-terminal (depen-

ding on configuration of central unit). The red LED in the push-button lights up, if either

the push-button is pressed or a signal is coming from outside.

STEMIN GmbH

Audio - Video - Control Engineering

82 549 Koenigsdorf - GERMANY

SERVICE CALL

Incoming „Service Calls“ are not only shown acoustically but also optically thru a exten-

sive LED.

BASIC FLOOR

Using the function „Basic Floor“ (Interrupt A) it is possible to force the interpreter confe-

rence terminals on their intended speaking channels.

ERROR – LED

The indication for fault messages shows all fault messages of the central unit and the

interpreter conference terminal.

2.6.2 Backside

2.6.2.1 Headphone jack

Here optional headphones with a 3.5mm jack can be connected.

2.6.2.2 Volume-control

With the rotary control the volume of the speaker and the headphones can be adjusted.

2.6.2.3 IN / OUT

Here the CAT5 – connecting cable to the central unit respectively to the second service-

conference-terminal is connected.

STEMIN GmbH

Audio - Video - Control Engineering

82 549 Koenigsdorf - GERMANY

2.7 Headset

The ISHS01 is a two – way communication headset with an electret microphone. It’s

minimal weight enables a long using time especially when being used by interpreters.

The microphone is connected to a completely flexible plastic gooseneck and, thus, can

be individually arranged. In addition, the angle of inclination can be adjusted by a rotat-

ing joint on the left speaker. To improve transport, the microphone is folded up over the

head piece and in this way decreases the storage space necessary.

The ISHS01 has stereo headphones. Their open design enables the user to hear sur-

rounding sounds even while wearing the headphones. The ear pieces are padded with

foam material, the head piece is adjustable in small grid spacing but with wide angle.

The attaching of the cable to one side only ensures comfortable handling.

Due to the long cable the user gains freedom of movement at the highest level. The

jacks are colour marked and provided with the appropriate symbols to prevent mud-

dling.

3. Startup{ XE "Linien" }

Before you turn on the system, connect all components of the central unit and check

that the AC mains voltage stated on your power supply is identical to the AC mains vol-

tage available where you will use your system. Using the power supply with a different

AC mains voltage will cause damage to the unit.

It is assumed that all conference terminals are set up and all connections for the central

unit are available. In detail that are the power supply, all audio signals, the connecting

cables for the conference terminals and, if existing, the optional service conference ter-

minal.

3.1 Connecting the original signal

The original-input is located as a XLR-socket (female) at the back of the unit. The level

of the original signal can be located between –40dBu and +/-0dBu and is adjustable via

a rotary control and a DIP-switch to be suited to the central unit.

3.2 Connecting the interpreter conference terminals

The conference terminals are connected to the central unit via a 37-pin SubD-cable.

The connectors (male&female) of these cables are connected 1 to 1, but certain wires

are twisted in pairs. To avoid malfunctions use only original STEMIN-cables.

3.2.1 Maximum cable length

In order to be able to work without errors, a connected interpreter conference terminal

needs an operating voltage of at least 18V. Thereby follows, depending on the opera-

ting voltage of the central unit, a maximum cable length. The provided power supply

IS6PS1 generates a operating voltage of 30V, therefore a cable length of 100 meters is

possible.

If several conference terminals are to be installed in one interpreter booth, the next

conference terminal is simply connected with a cable of 2 meter length to the conferen-

ce terminal before it.

If larger cable lengths are needed, please turn to your dealer or to STEMIN.

3.3 Connecting the service conference terminal

The service conference terminal is connected to the central unit via a CAT5 cable. The

DS1CAxx is a 8-pin CAT5+ cable with RJ45 connectors on both sides and a 1to1 con-

nection.

Up to two service conference terminals can be operated at one central unit. Therefore

every IS6CU has two RJ45-sockets on it’s back to easier loop-through the connection-

cable (CAT5).

STEMIN GmbH

Audio - Video - Control Engineering

82 549 Koenigsdorf - GERMANY

3.3.1 Maximum cable length

The service conference terminals needs an operating voltage of at least 18V too.The

provided power supply IS6PS1 generates a operating voltage of 30V, therefore a cable

length of 30 meters to the last service conference terminal is possible.

3.4 Connection of external units

Turn off the central unit on the main switch, before connecting external units.

With the two 15-pin SubD cables the 6 possible languages and the original signal can

be listened to. The signals at the SubD-sockets are available floating balanced.

At the RCA.jacks the 6 languages and the original signal are avaiable unbalaced.

4. Operating

4.1 Powering up

If you have connected the power supply to a switchable power circuit, switch the circuit

on.

Set the POWER switch to "I" to switch the central unit on.

The green LED „ON“ lights up with a time delay of approximately 3 seconds. During this

phase, the central unit initializes itself and stabilizes its internal voltage supply. It is pos-

sible that during the initialization several LEDs are lighting up, that’s normal.

4.2 Powering down

Set the POWER switch to "0" to switch the central unit off. The IS6PS1 power supply

will draw a small amount of current even when it’s switched off. To save energy, dis-

connect the power cable from the power outlet. If you connected the power supply to a

switchable power circuit, switch the circuit off, too.

4.3 Working with the central unit

4.3.1 Influencing original signal

With the rotary control „INPUT ORIGINAL – Volume, Bass and Treble“ a principle pre-

adjustment of the original signal can be made. The level is shown on the right side of

the central unit (CHANNEL OUT „OR“). Please adjust the level only so far that the red

LED (+3dB) doesn’t light up, because then the signal will be distorted. Nevertheless, e-

very interpreter can adjust Volume, Bass and Treble at „his“ conference terminal as it’s

needs.

4.3.2 Microphone sensivity conference terminals

With the rotary control „LEVEL“ of „INTERPRETER-BOOTH1...6“ you can adjust the le-

vel of the microphone of the conference terminal. Please adjust the level only so far that

the red LED (+3dB) doesn’t light up, because then the signal will be distorted

4.3.3 LED – indicators

In every „INTERPRETER-BOOTH“ section are three types of indications: First the blue

LED „ON“ which indicates if the conference terminal is activated. Then there are the y-

ellow „CHANNEL“-indicators, which are inidcating if and on which channel the confe-

rence terminal is activated. In addition there is the red "SERV" - LED, which indicates if

the conference terminal has switched to the talk-back- channel (Service).

STEMIN GmbH

Audio - Video - Control Engineering

82 549 Koenigsdorf - GERMANY

4.3.4 Level-indicators

There is a seperate level indicator for the original signal, channels 1...6 and for the talk-

back-channel (service). The system's levels should be set so that the yellow "0dB" –

LED lights up at level peaks, the red „+3dB“ – LED should not light up.

4.4 Operating the interpreter conference terminals

The interpreter-unit IS6IU is used to monitor the original signal and simultaneously in-

terpreting via a pre-selected output-channel.

4.4.1 Output-channel-selection

In the seven-segment display the number of the preselected channel, choosen via the

pre-selection-switch, is shown.

4.4.1.1 Channel B

By pressing a pre-selection push-button the output-channel is choosen. The number of

the choosen channel is shown in the display. At the same time the yellow LED in the

pressed push-button lights up.

The selection takes place when the push-button „CHANNEL SWITCH B“ is pressed,

where for confirmation a yellow LED lights up.

The red LEDs at the busy – indicator („CHANNEL BUSY“) are showing the occupied

output-channels (also the own channel).

At the central unit in the associated section Sektion „INTERPRETER BOOTH 1..6“ the

yellow LED belonging to the channel lights up.

4.4.1.2 Channel A

After pressing the push-button „CHANNEL SWITCH A“ the output channel, which is as-

signed from the central unit, is activated. For confirmation the yellow LED in the push-

button lights up and the yellow LED in the push-button „CHANNEL SWITCH B“ goes

out. At the busy-indication the red LED of the activated channel lights up. At the central

unit the yellow LED of the activated channel lights up too. The LED of the channel acti-

vated before goes out.

4.4.1.3 Interrupt A

If at a connected, optional service-conference terminal the switch „BASIC FLOOR“ is

activated, all connected conference terminals are being forced to switch to the channel

assigned from the central unit and „A“ is shown in the 7-segment-display. At all confe-

rence terminals the LED’s in the push-buttons „CHANNEL SWITCH A“ and „CHANNEL

SWITCH B“ as well as the LED’s in the pre-selection push-buttons are going out. At the

busy-indication the activated channels are lighting up an at the central unit the yellow

LED’s of the allocated channels are lighting up.

4.4.2 Check-in of conference terminal

To turn on the conference terminal the push-button „MICRO“ hast to be pressed. For

confirmation the large red „Micro“ – LED and the LED light indication ring at the goose-

neck are lighting up. At the central unit the blue LED „ON“ lights up at the equivalent

„INTERPRETER-BOOTH“ – section.

Only at the choosen channel can be spoken.

If the microphone should be muted temporarily, the „COUGH“ – push-button has to be

pressed. The red LED above the microphone push-button as well as the red LED light

indication ring at the microphone are going out immediately. Only if the "COUGH" –

push-button is released, the microphone is turned on again.

STEMIN GmbH

Audio - Video - Control Engineering

82 549 Koenigsdorf - GERMANY

4.4.3 Service Call

If the „SERVICE CALL“ – push-button is pressed, the speech-readiness is signaled via

the large red „Micro“ – LED an the LED light indication on the gooseneck. In addition the

red LED „SERV“ in the equivalent „INTERPRETER-BOOTH“ – section at the central u-

nit lights up.

The audio-signal of the microphone is not routed to the output channel any more but to

the service-conference terminal, if existing. (for optical signaling the large red LED

„SERVICE CALL“ lights up there)

4.4.4 Monitoring

The interpreter has the possibility to either monitor the original signal or another foreign

language at the integrated speaker, via headphones or with a headset. Therfor at the

monitoring-field of the interpreter-unit IS6IU the 6-position-selector switch to choose the

language and the push-button „Relay“ to monitor the foreign language-channel are a-

vailable. If the „Relay“ – push-button is not pressed, the original signal is always monito-

red. Only if the „Relay“ – push-button is pressed the selected channel is monitored. If

there is no speech at the selected channel the original signal is made available.

Via the two rotary-controls for the treble- and bass-adjustment the sound can be ad-

justed individually to the hearing-sense of the interpreter.

The ingrated speaker is turned off if the own microphone or the microphone of the adja-

cent conference terminal in the same booth is activated. A connected headphone ho-

wever is not turned of because there is no possibility of feedback

4.4.5 Sound Adjustment

Treble and bass can be adjusted seperately and are taking effect on the speaker as well

as connected headphones. The volume of the speaker and the headphones can be ad-

justed seperately, whereby the sound of the monitored language can be adjusted indivi-

dually to the hearing-sense of the interpreter.

4.4.6 Headset

If (on the left side of the conference terminal) headphones or a headset is connected,

the speaker is muted automatically. When an external microphone is connected (like

e.g. the microphone of a head set) the integrated microphone turns off and the LED light

indication ring of the microphone goes out.

4.5 Operating with service – conference terminal

Depending on where the service – conference terminal is set up, there are different ap-

plications: if placed with the chairman of a discussion meeting, there can be made que-

ries like e.g. slower or articulately speech or the request to repeat an sentence can be

shown. If the service-conference terminal is placed with a technician, technical emerge-

ny calls are possible. Another application could be a type of „usher call“ for refresh-

ments or similar.

4.5.1 Service

With the service – push-button an information can be send to the central unit as well as

to the outside or to a single interpreter conference terminals (depending on configurati-

on of the central unit). The red LED in the push-button lights up when either the push-

button is pressed or when a signal from the outside gets in.

4.5.2 Interrupt A

With the IS6CP and the function „BASIC FLOOR“ (Interrupt A) the interpreter conferen-

ce terminals can be forced to their intended speaking channels.

STEMIN GmbH

Audio - Video - Control Engineering

82 549 Koenigsdorf - GERMANY

5. Cleaning

Switch power to the central unit off and disconnect the power supply from mains before

cleaning. Use a cloth slightly moistened (not wet!) with water to clean the surfaces of

the central unit, power supply and conference terminals.

Never use caustic or scouring cleaners or cleaning agents containing alcohol or sol-

vents since these may damage the enamel or plastic parts.

6. Trouble shooting

Problem Possible cause Remedy

LED „ERROR“ lights up 1. Internal fuse defect

2. To much conference terminals

at one line

3. Cable or conference terminal

defect

1. Before opening the case, be sure,

that the central unit is turned off and

disconnected from mains.

Replace the fuse with one of the

same type.

If after the next activation the fuse is

defect again, contact your dealer.

2. Decrease the number of conference

terminals.

3. Disconnect one line after another. If

you found the defective line, test

which cable or conference terminal

caused the problem and replace it.

No LED shines 1. Power supply interrupted

2. Central unit turned off

1. Connect the power supply to the

central unit as well as to the power

outlet. If you connected the power

supply to a switchable power circuit,

switch the circuit on.

2. Set the POWER switch to „ | “.

No sound at original signal 1. Central unit turned off

2. Input level to low

3. Controller INPUT ORIGINAL

Volume is at left stop.

4. Cable defect

5. Volume control of conference

terminals is at left stop.

6. Headphones connected

7. Mikrophone turned on.

1. Set the POWER switchs of all central

units to „ | “.

2. Set the DIP-switch on the back of the

central unit to +20dB and / or increa-

se the level with the rotary control

located at left of the XLR-socket.

Check the level with the level indica-

tor.

3. Turn up the control

4. Exchange the cable, from which no

more sound is to be heard.

5. Turn up the control

6. Disconnect the headphones or put

them on.

7. Turn the microphone off.

Foreign languages can not be

monitored. 1. Controller LEVEL of the equal

section „INTERPRETER-

BOOTH“ at left stop

2. Cable defect

1. Turn up the respective control.

2. Exchange the cable, from which no

more sound is to be heard.

STEMIN GmbH

Audio - Video - Control Engineering

82 549 Koenigsdorf - GERMANY

7. Appendix

7.1 Cable configurations

7.1.1 IS6CAxx, connecting cable for conference terminal

The IS6CAxx is a 37-pin SubD – connecting-cable with one-to-one connection.

The connectors, SubD 37-pin male / female, are lockable via knurled srews.

„xx“ means the cable length.

This cable is NO standard cable! The relevant NF-wires are twisted.

7.1.2 IS6CACPxx, connecting cable for allocation-panel

The IS6CACPxx is a 8-pin CAT5 Kabel, on both sides RJ45 plugs with SFTP and one-

to-one connection, whereas „xx“ means the cable length.

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