Bosch Appliances 4 Whiteboard Accessories User Manual
Contents
1. Set up selector DIL switch 2 Switch 1 a A O N 6 7 8 On Off Channel B disable Channel B enable Mic OR2 disable Mic OR2 enable Interlock enable Interlock disable Slave Master Loudspeaker Loudspeaker OR2 disable OR2 enable Not used Figure 1 4 SW 2 1 SW 2 2 SW 2 3 SW 2 4 Factory setting of DIL switch 2 B enable If desks are not to make use of the B output the B enable switch must be switched on The outgoing language distri bution channel for each desk will then be determined by the A select switch only regardless of the position of the A B channel selector key on the front panel OR2 enable To configure an auto floor system the desk from which the transfer interpretation will be made must have the OR2 function enabled The outgoing chan nel OR2 indicator will illuminate on this desk The B enable switch must be off for this desk Interlock To prevent two or more desks using the same outgoing channel the inter lock feature can be enabled When this switch is on the microphone will remain inactive if an occupied outgoing channel is selected Master slave If more than one desk is installed in a booth the additional desks must be set with this switch in the on posi tion The first desk in a booth that nearest to the IR transmitter must have this switch in the off position If only one desk is installed in the booth2. is occupied by another desk 2 Microphone status indicators Two red LEDs to indicate that the microphone is active 3 Microphone mute key A non locking push but ton to temporarily mute the microphone When pressed the status indicators and status ring are select key off but the outgoing language distribution channel remains occupied by the desk 4 Microphone Gooseneck microphone with inte gral status indicator ring CALL CHANNEL MICROPHONE OUTGOING CHANNEL 7 Incoming 4 Microphone 15 Outgoing l6 Outgoing message indicator status indicator channel A indicators channel B indicators 6 Outgoing 17 Outgoing message key d o channel B select keys o o o o o 5 Call channel key Oo Oo I4 e e O selector key O Oo r 8 Tone volume 18 A B channel controls headphone select indicators 9 Volume control 19 Outgoing monitor loudspeakers OR2 indicator I Incoming 20 Engaged channel selector channel indicators 13 Incoming 3 Microphone channel OR2 indicator mute key 12 Incoming channel 10 Monitor Microphone 2 Microphone pre selector key loudspeaker activating key status indicator INCOMING CHANNEL MICROPHONE Figure 1 1 LBB 3222 04 6 channel interpreter desk Bos
3. DIL switches before mounting the LBB 3422 20 Integrus audio input and interpreters module in an Integrus transmitter DIL Switch Function On Off 1 2 3 4 5 6 78 Interpretation Direct connection to Connection to LBB 3222 04 interpreters desks other audio sources ll 1 2 3 4 5 6 78 Interpretation Direct connection to Connection to LBB 3222 04 interpreters desks other audio sources Ill 1 2 3 Interpretation Direct connection to Connection to LBB 3222 04 interpreters desks other audio sources Ill 4 Floor distribution Disabled Enabled Ill 5 Channel selection Channels 8 15 Channels 0 7 Ill 6 78 Not used Bosch Security Systems 2005 04 9922 141 70164en INTEGRUS Installation and User Instructions Connecting to an Integrus transmitter en 8 3 Connecting to an Integrus Note To connect the floor signal a cable transmitter with a male XLR connector and a male cinch connector must be made See 3 1 Connecting interpreters desks LBB 3222 04 directly figure 3 1 and figure 3 2 for the wiring An Integrus transmitter requires the LBB 3422 20 Integrus audio input and interpreters module to direct ly interface with one or more LBB 3222 04 interpreter desks This module must be mounted in the transmitter housing see the Integrus installation manual Up to 12 interpreter desks can be loop through con nected to the module The system cable of the first interpreter desk is c
4. language spoken by a delegate is dis tributed throughout the conference area either via a PA system or via built in loudspeaker units on the del egates microphone units both methods may also be used simultaneously This floor language is also distributed to all interpreters desks where through their headphone sets the inter preters can listen to the floor language to base their interpretations The 6 channel interpretation system is operated com pletely independently from the system operator and is operated as a stand alone system only The procedures used for interpreting the original floor language is understood by all interpreters and where the floor language is not so well known two different operational procedures can be used normal opera tional mode and relay interpretation mode In the normal operational mode where the original floor language is familiar to all interpreters the interpreters will listen via their headphone or head set to the original floor language The translations are then fed to the appropriate channels on the del egate s program selector units or receivers Ina situation where interpreters are unfamiliar with the floor language and therefore unable to translate it the CCS 800 system has a relay interpretation facility This facility allows for an interpreter who is familiar with the floor language to relay his transla tion to other interpreters to which they can base their own trans
5. INTEGRUS Security Systems Installation and User Instructions Integrus en Language Distribution System LBB 3222 04 6 Channel Interpreter Desk with Loudspeaker LBB 3422 20 Integrus Audio Input and Interpreters Module BOSCH INTEGRUS Installation and User Instructions Safeguards Important Safeguards Prior to installing or operating this product always read the Safety Instructions which are available as a separate document Bosch Security Systems 2005 04 9922 141 70164en INTEGRUS Installation and User Instructions Table of contents Table of contents 1 6 Channel interpreter desk with loudspeaker LBB 3222 04 0 000 c cece e eee eee 1 11 Introduction x55 inae t er odes M beg meh ree dt eec wpe er tra Bas RO Baad ieee HO Rh a 1 12 Front panel controls 2 22052 oben here yee bond ep des De Peiper cee Odeo e Idee 1 13 Rear panel controls 12 atten dre gto er reed P ee Pace te en Sd Duc Mea ac dar are 3 1 4 Interpretation procedures i icut eripe Eater ed pop ERE eh E Ped dead dace dee 3 1 5 Configuring the interpreter s system 13 4 aea sds a ce Dee cio E Reise ed dU d Acide eats lew pos 4 Lo Auto floor D ncllof 22 4 err Saad Pa eon KU a D a Ae eee ER HE Spe eee 5 2 Integrus audio input and interpreters module LBB 3422 20 0 cece cece eee 6 2 1 Introduction 22e citing ace eee eG REE RR Se eet Re eh ede ed daa eee eu ee 6 2 24 Configuration undi si
6. L I Tet tt pK 1g mo Channel ____ gt ws pt LI LII T L Mc ESO Audio 3input E e ma Pet LL TSTST o 16 me enne 5 d LII ILIILLLI Z5 Audio 4 input A 47 m C L 1 lll DO Q 17 o Camels 7 LI LE LL 7 Audio 5 input d 19 d 11 gt X Q 19 Channel 4 iota s X Channel 5 TDI MM Heo K 22 moame nado Tien G P POD c Channels 1 s 11 Audio 8 input d 23 i R 23 o Busy in 9 9 Supply 12V C p i XX Supply 27V Supply 12V G 12 1 12 13 G 13 Earth 40 a SE 10 o Ground o Earth Figure 3 8 Connection box for recording audio and language channels Bosch Security Systems 2005 04 9922 141 70164en INTEGRUS Installation and User Instructions Connecting to an Integrus transmitter 3 2 Connecting interpreters desks LBB 3222 04 via the CCS 400 system An Integrus transmitter requires the LBB 3422 20 Integrus audio input and interpreters module to interface with the CCS 400 discussion and inter pretation system This module must be mounted in the transmitter housing see the Integrus installation manual The CCS 400 system is connected to the Integrus audio input and interpreters module by means of a 25 pole sub D connecting cable The interpreters desks and the floor signal are connected to the CCS 400 system See the CCS 400 installation manual for more information ie Note Before connect
7. LED to indicate that the desk is enabled for relaying OR2 to other desks using under panel controls 20 Engaged channel indicators 2 yellow LEDs one each for A and B to indicate that the outgoing channel selected is occupied by one or more desks A flashing LED indicates that the outgoing channel occupied by the desk is also being used by one or more other desks Bosch Security Systems 2005 04 9922 141 70164en INTEGRUS Installation and User Instructions 6 Channel interpreter desk with loudspeaker 13 Rear panel controls The rear panel of the interpreter desk contains the fol lowing controls and connectors see figure 1 2 Figure 1 2 Rear view of LBB 3222 04 Figure 1 2 1 Headset switch 2 position slide switch to select either the headset s microphone or the built in gooseneck microphone 2 System cable 3 m long cable terminated with a 25 pole male D type connector for connecting the desk to the preceding desk or to the central 3 System connector 25 pole female D type connec tor lockable for connecting to the next desk 4 Headphone connector 6 3 mm jack socket for connecting the headphone 5 Headset connector 5 pole female 180 DIN con nector for connecting a headset in accordance with IEC 268 1 1 6 Message connector 6 pole female DIN connector for message function if required en 3 1 4 Interpretation procedures The original floor
8. ch Security Systems 2005 04 9922 141 70164en INTEGRUS Installation and User Instructions 6 Channel interpreter desk with loudspeaker 14 5 Call channel key Non locking push button to route the microphone to the call channel for one way communication with the operator with priority over the A B channel The microphone status indi cators and status ring are on when the call channel key is pressed The outgoing language distribution channel remains occupied by the desk Not applica ble for use with CCS 800 discussion systems 6 Outgoing message key Non locking push button to be used for signalling purposes When pressed contacts are closed This switch is connected to the 6 pole DIN connector for custom wiring 7 Incoming message indicator A yellow LED with 1 k W series resistor connected to the 6 pole DIN connector To be used for custom signalling purpos es 8 Tone volume controls Rotary volume bass and treble controls for the headphone 9 Volume control Rotary volume control for built in loudspeaker 10 Monitor loudspeaker Built in loudspeaker for monitoring without headphones The speaker is only active when the microphone is off 1 Incoming channel selector 8 position rotary switch to select either OR OR2 or channels 1 to 6 for monitoring as incoming language This switch is only active if the incoming channel pre selector key is in the up pos
9. e Integrus audio input and interpreters f floor distribution is enabled DIL module the operation mode must be chosen by setting Switch III 4 off the floor audio signal the DIL function switches on the module s circuit will be distributed on those channels board where the interpretation microphone is Select the mode in which the module must operate Switched off 1 As an interface to one or more LBB 3222 04 When interfacing between more than interpreters desks one LBB 3222 04 interpreter desk and 2 As an interface to other audio sources the infra red system or interfacing Select if floor distribution see section 1 6 should between the CCS 400 power supply be enabled and the infra red system the floor 1 Enable floor distribution when LBB 3222 04 distribution should be disabled interpreters desks are directly connected DIL switch III 4 on 2 Disable floor distribution when LBB 3222 04 Do not use a CCS 400 power supply in interpreters desks are connected via a CCS 400 combination with direct connection to system LBB 3222 04 interpreter desks as this Select the channels on which the module s signals will cause a fuse to blow will be distributed e When the Integrus audio input and interpreters module is used in The table below lists all the settings combination with audio signals connected to the cinch inputs of the Integrus transmitter the signals on corresponding channels are mixed e Check the positions of the
10. ect connection of interpreters desks LBB 3222 04 in combination with e g the CCS 800 system or with analogue conference systems such as the CCS 400 The interface module must be mounted in the trans mitter housing OO OO OO OO CO OO OO OO mmm l OOCOOOO 9 OOOO C Figure 2 1 Integrus audio input and interpreters module rear view and PCB layout Figure 2 1 1 Interface connector A 25 pole sub D female connector for direct connection of up to 12 LBB 3222 04 interpreters desks or analogue conference systems with interpretation 2 Positions for input transformers Eight input transformers can be mounted for galvanic separa tion of source and electronics inputs The eight Integrus audio inputs at the 25 pole D type plug can be isolated by adding eight audio transformers Beyer type TR BV3 in these positions 3 Function switches Three DIL switches for deter mining module functionality 4 PCB connector A 55 pins connector that con nects the module to the Integrus transmitter s main PCB 5 Mounting plate Bosch Security Systems 2005 04 9922 141 70164en INTEGRUS Installation and User Instructions Integrus audio input and interpreters module en 7 2 2 Configuration Notes Before using th
11. hannel inter preter desk with loudspeaker 4 11 Physical characteristics Mounting Table top or flush mounting Dimensions Hiront x Hrear x W x D 20 58 x 250 x 189 mm 0 79 2 28 x 9 84 x 7 44 inch Weight 1 75 kg 3 85 Ib Finish Light gray 4 1 2 Electrical characteristics Frequency response 125 Hz 10 dB to 12 5 kHz 2 dB Rated equivalent sound 32 dB pressure due to inherent noise Total harmonic distortion 5 at overload Cross talk attenuation gt 66 dB en 12 4 2 LBB 3422 20 Integrus audio input and interpreters module 4 2 1 Physical characteristics Mounting Mounting plate and two screws included 100 x 45 x 231 mm 39 x 21 x 91 inch 188 g 0 41 Ib Dimensions H x W x D Weight 4 2 2 Electrical characteristics Audio input level with AGC 16 5 dBV 150 mVeff to 3 5 dBV 1500 mVeff Audio input level without AGC 4 4 dBV 600 mVeff z 10 kOhm 200 kOhm Asymmetric input impedance DC input impedance Bosch Security Systems 2005 04 9922 141 70164en INTEGRUS Installation and User Instructions Technical data 4 3 Connection details System cable A 3 m long cable terminated with a 25 pole male D type connector Pin nr 1 14 2 16 3 15 4 18 3122 9 21 10 12 18 23 24 25 System connector Pin nr 1 14 2 16 3 15 4 18 9 21 10 12 18 23 24 25 Function Floor line OR Outgoing language distribution channel 2 Auto floo
12. iate language distribution channels In a situation where interpreters are unfamiliar with the floor language and therefore unable to interpret it the system offers an automated relay interpretation facility auto floor see figure 1 6 An interpreter assigned to translate the floor language translates it into another language easily understood by other interpreters The floor language OR on all interpreters desks will be replaced by this transfer interpretation This transfer interpretation or auto floor OR2 is then used as a base for further translations In the example in figure 1 6 Japanese is the OR and the auto floor facility is enabled on the Japanese inter preter desk using the set up selector DIL switch under the removable panel the outgoing OR2 indicator is illuminated on this desk This interpreter selects outgo ing channel B and automatically relays a French trans lation as OR2 to all other desks for interpretation and also feeds the French language distribution channel The incoming channel OR2 indicator shows on all other desks that auto floor is active Bosch Security Systems 2005 04 9922 141 70164en INTEGRUS Installation and User Instructions Integrus audio input and interpreters module en 6 2 Integrus audio input and interpreters module LBB 3422 20 2 4 Introduction An Integrus audio input and interpreters module is required when an Integrus transmitter is to be used for dir
13. ing the CCS 400 analogue conference systems the DIL switches on the Integrus audio input and interpreters module must be set to Connection to other audio sources For details of the required settings see section 2 2 en 11 3 3 Connecting other analogue conference systems An Integrus transmitter requires the LBB 3422 20 Integrus audio input and interpreters module to interface with other analogue conference systems This module must be mounted in the transmitter housing see the Integrus installation manual The analogue conference systems are connected direct ly to the Integrus audio input and interpreters module by means of a 25 pole sub D connecting cable For pinning information see chapter 4 It is also possible to connect a conference system directly to the Integrus audio cinch inputs of an Integrus transmitter In that case the interface module is not necessary Notes e Before connecting other analogue conference systems the DIL switches on the Integrus audio input and inter preters module must be set to Connection to other audio sources For details of the required settings see section 2 2 e If galvanic separation is required add Beyer type TR BV3 audio transformers on the module s PCB see section 2 1 Bosch Security Systems 2005 04 9922 141 70164en INTEGRUS Installation and User Instructions Technical data 4 Technical data 4 1 LBB 3222 04 6 C
14. ition Note For a full explanation of terms OR and OR2 see section 1 6 12 Incoming channel pre selector key 2 position toggle switch to select either OR when in the down position or the channel selected by the incoming channel selector knob when in the up position If OR is selected and OR2 is activated using the auto floor feature the desk automatically receives OR2 for monitoring 13 Incoming channel OR2 indicator Green LED to indicate that OR2 is active instead of OR during relay interpretation 15 16 17 18 19 en 2 A B channel selector key 2 position toggle switch for selecting either A or B If use of channel B is inhibited the outgoing channel will be the one pre set for the desk by the under panel A select control If channel B is enabled the outgoing chan nel can be selected with the channel B select keys Outgoing channel A indicators 6 green LEDs to indicate which outgoing channel is assigned to the desk for channel A using the under panel controls Outgoing channel B indicators 6 green LEDs to indicate which outgoing channel is assigned to the desk for channel B using the outgoing channel B select keys Outgoing channel B select keys 6 way interlock ing push button array to select the outgoing channel when channel B is selected A B channel select indicators 2 red LEDs to indicate which channel A or B is selected Outgoing OR2 indicator Green
15. lations Bosch Security Systems 2005 04 9922 141 70164en INTEGRUS Installation and User Instructions 6 Channel interpreter desk with loudspeaker en 4 15 Configuring the interpreter s system The configuration of the 6 channel interpreter s system is carried out independently of the CCS 800 system The controls located under the removable panel on the desk must be pre set before putting the system into operation To gain access to the controls remove the plastic protection cover and text plate located at the top of the unit This is achieved by inserting a small pointed implement into the holes at either side of the cover and carefully pushing forward to lever it off see figure 1 3 A SELECT SWITCH SWITCH 2 oOo0o0000 oOo0o0000 eo e o o Figure 1 3 Under panel controls on the LBB 3222 04 interpreter desk A select switch The outgoing language distribution channel assigned to each desk must be pre set using the A select 6 position rotary switch Each booth should be assigned a differ ent channel 1 to 6 The language assigned to each channel can be written on the removable panel in the spaces provided alongside the outgoing channel A indi cators The appropriate LED will illuminate to indicate which language is assigned to a particular desk Factory setting channel 1
16. loudspeaker 1 6 Channel interpreter desk with loudspeaker LBB 3222 04 11 Introduction The LBB 3222 04 6 channel interpreter desk provides listening and speaking facilities for interpreters using the CCS 800 CCS 400 or non BOSCH discussion systems Up to 12 desks can be connected to an Integrus transmitter using the Integrus audio input and interpreters module LBB 3422 20 It can distribute up to 6 outgoing languages An auto floor feature is incorporated for relay interpretation This allows a less well known floor language to be translated by one interpreter into a language familiar to all other inter preters and relayed as the auto floor The LBB 3222 04 has an integral loudspeaker and is supplied with a microphone incorporating an illuminat ed status ring to warn everyone in the booth that the microphone is active Two outgoing channels are pro vided A and B switchable by means of a channel en 1 Note Flashing indicators warn that the language channel occupied by this desk is also being used by one or more other desks 1 2 Front panel controls The desk has the following front panel controls and indicators see figure 1 1 Figure 1 1 1 Microphone activating key 2 position toggle switch for activating the microphone An interlock facility can be enabled using the under panel con trols that prevents the microphone being activated if the desk s outgoing language distribution channel
17. on and User Instructions Product index Products LBB 3222 04 6 channel interpreter desk with loudspeaker scos sicsssrisri sirens eee teens LBB 3422 20 audio input and interpreters module 00 cece cette eens Bosch Security Systems 2005 04 9922 141 70164en INTEGRUS Installation and User Instructions Bosch Security Systems 2005 04 9922 141 70164en For more information please visit www boschsecuritysystems com 2005 Bosch Security Systems B V Data subject to change without notice 2005 04 9922 141 70164en BOSCH
18. onnected to the 25 pole sub D connector on the Integrus audio input and interpreters module The system cables of the next desks are loop through connected to the system input plugs on the preceding desks The floor signal for the interpreters desk is connected to the Aux Left input of the Integrus transmitter with an XLR connector The floor signal can come from a CCS 800 analogue conference system i e the line out Figure 3 1 Connecting one or more LBB 3222 04 put cinch connector see the CCS 800 installation man interpreter desks directly to the modular ual or from an external audio source such as an audio IR transmitter mixer The DIL switches on the Integrus audio input and interpreters module must be set to Direct connection to LBB 3222 04 interpreter desks see section 2 2 The Aux Input mode of the Integrus transmitter must be set to Emergency Mono see the Integrus installa tion manual Integrus 2 CCS800 AUX Left Line output Figure 3 2 Wiring of the cinch to XLR connecting cable Bosch Security Systems 2005 04 9922 141 70164en INTEGRUS Installation and User Instructions Connecting to an Integrus transmitter en 9 3 11 Maximum cable length for connecting interpreters desks LBB 3222 04 The maximum length of the cables to connect the interpreters desks to the Integrus transmitter depends on the number of interpreters desks A leader cable connects
19. r OR2 Outgoing language distribution channel 1 Outgoing language distribution channel 3 Outgoing language distribution channel 6 Outgoing language distribution channel 4 Outgoing language distribution channel 5 Call channel Ground reference Supply ground Status line Positive supply voltage 25 pole female D type connector Function Floor line OR Outgoing language distribution channel 2 Auto floor OR2 Outgoing language distribution channel 1 Outgoing language distribution channel 3 Outgoing language distribution channel 6 Outgoing language distribution channel 4 Outgoing language distribution channel 5 Call channel Ground reference Supply ground Status line Positive supply voltage Headphone connector Headset connector Message connector en 13 6 3 mm jack socket Contact Function Tip Audio out Fling Audio out Sleeve Return 5 pole female 180 DIN connector in accordance with IEC 268 11 Pin nr Function 1 Mic live 2 Mic return 3 Left hand headphone 4 Return both headphones 5 Right hand headphone 6 pole female DIN connector Pin nr Function 1 Connected to outgoing message key 3 Connected to outgoing message key 4 Connected via internal series resistor to incoming message indicator LED anode 5 Connected to incoming message indicator LED cathode Bosch Security Systems 2005 04 9922 141 70164en INTEGRUS Installati
20. t cia re Sack ch ai ede i Gee desee queue uid potat ake mAbs 7 3 Connecting to an Integrus transmitter 0 0 n 8 3 1 Connecting interpreters desks LBB 3222 04 directly 2002 0 eee cece eee eee 8 3 1 1 Maximum cable length for connecting interpreters desks LBB 3222 04 9 3 2 Recording the audio channels sorre c t0 dea eine id c eda eke ea b dea 10 3 2 Connecting interpreters desks LBB 3222 04 via the CCS 400 system 00 000005 11 3 8 Connecting other analogue conference systems a ri dii eu a a E A Ea a E teens 1l 4 Technical data oere oe eee deh Rend Odd ema idu Manat dee OR us 12 4 1 LBB 3222 04 6 Channel interpreter desk with loudspeaker esee esses 12 4 1 1 Physical characteristics used saree iad taeda ewan ay ea d ades Re eae 12 4 1 2 Electrical characteristics secre 0 cc cece eee mn 12 4 2 LBB 3422 20 Integrus audio input and interpreters module 0 000000 eee eee eee 12 42 4 Physical characteristics 1 22 scsser pera aieiaa gad aes Rb Gwe dE s ee aes eee 12 4 2 2 Electrical characteristics 0 0 0 ccc eee un 12 4 3 Connection details 605001 guldas tes Dye PETRO ERE NP ONMUCR E OR he iw RE WEM ERR 13 Bosch Security Systems 2005 04 9922 141 70164en INTEGRUS Installation and User Instructions Bosch Security Systems 2005 04 9922 141 70164en INTEGRUS Installation and User Instructions 6 Channel interpreter desk with
21. the first interpreters desk to the transmitter An extension cable may be needed between the inter preters desks The table below shows the maximum extension cable length additional to the standard 3 m cable that can be used with different numbers of inter preters desks Number of interpreters desks LBB 3222 04 2 4 6 8 10 12 Additional leader cable length between meter 100 50 35 15 5 0 first interpreter desk and transmitter Additional extension cable lengths meter 34 8 2 9 2 4 1 8 1 between interpreters desks Number of interpreters desks LBB 3222 04 2 4 6 8 10 12 Additional leader cable length between feet 328 164 115 49 16 0 first interpreter desk and transmitter Additional extension cable lengths feet 112 26 9 5 7 9 6 0 33 between interpreters desks Bosch Security Systems 2005 04 9922 141 70164en INTEGRUS Installation and User Instructions Connecting to an Integrus transmitter en 10 3 1 2 Recording the audio channels To record the audio channels a connection box can be inserted between the interpreters desks LBB 3222 04 and the Integrus audio input and interpreters module LBB 3422 20 Such a connection box should be local ly made See figure 3 3 for the wiring RECORDING EOUIPMENT dilzlllllililiig o oN LBB 3422 20 i i i i LBB 3222 04 G amp 1 Gr 4 m seu a aO ry yr S a C OR Foor Channel 4 pt tt Tt tt tT 4 Se m LL
22. this switch must also be off Bosch Security Systems 2005 04 9922 141 70164en INTEGRUS Installation and User Instructions 6 Channel interpreter desk with loudspeaker SW 2 5 OR only When the OR only switch is in the on position the loudspeaker will always monitor the floor channel When the OR only switch is in the off position the loud speaker will automatically switch over to the OR2 channel when this channel is available 1 6 Auto floor function To cater for circumstances where the original floor lan guage is either well known or less well known two dif ferent operational procedures can be utilised Floor Japanese French German English Al A2 43 4 4 LZ ZIA English floor speaker S A 2m Japanese floor speaker Relay interpretation using the auto floor feature OR2 active Figure 1 6 en 5 In the normal operational mode shown in figure 1 5 where the original floor language OR is familiar to all interpreters they will listen to the original floor lan guage for interpretation The translations are then fed to the appropr
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