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INTEGRUS | Digital Infra-red Language Distribution System

BOSCH Security Systems B.V.| February 2003

2.3.4 Connecting to another transmitter

The transmitter can be operated in slave mode to loop-through the IR radiator signals from a master transmitter. One of the
four radiator outputs of the master transmitter is connected with an RG59 cable to the radiator signal loop-through input of the
slave transmitter.

The Transmission mode of the slave transmitter must be set to ‘Slave’ (see section 2.5.7).

MASTER

SLAVE

Figure 2.11 Connecting to another transmitter

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Summary of Contents for INTEGRUS

Page 1: ...INTEGRUS DIGITAL INFRA RED LANGUAGE DISTRIBUTION SYSTEM Installation and Operating Manual BOSCH ...

Page 2: ...2 en INTEGRUS Digital Infra red Language Distribution System BOSCH Security Systems B V February 2003 2003 BOSCH Security Systems GmbH ...

Page 3: ...le lengths 16 1 5 1 2 Determining delay switch positions by using a delay measuring tool 17 1 5 2 System with two or more transmitters in one room 18 1 5 3 System with more than 4 carriers and a radiator under a balcony 20 1 6 Testing the coverage area 21 2 Infra Red Transmitters LBB 4502 xx 22 2 1 Description 22 2 2 Audio interface modules 24 2 2 1 DCN Interface Module LBB 3423 00 24 2 2 2 Mounti...

Page 4: ...nfra Red Receivers LBB 4540 xx 48 4 1 Description 48 4 2 Operation 49 4 3 Reception test mode 49 4 4 Receiver headphones 49 5 Charging Units LBB 4560 xx 50 5 1 Description 50 5 2 Wall mounting the charging cabinet 51 5 3 Charging procedure 51 6 Troubleshooting 52 7 Technical Data 53 7 1 System Specification 53 7 2 Transmitters and Modules 54 7 2 1 LBB 4502 xx Infra Red Transmitters 54 7 2 2 LBB 34...

Page 5: ...ises one or more of the following Infra red transmitter The transmitter is the core of the Integrus system Four types are available N LBB 4502 04 with inputs for 4 audio channels N LBB 4502 08 with inputs for 8 audio channels N LBB 4502 16 with inputs for 16 audio channels N LBB 4502 32 with inputs for 32 audio channels Interface modules One of two different interface modules can be mounted in the...

Page 6: ...ailable N LBB 4540 04 for 4 audio channels N LBB 4540 32 for 32 audio channels They can operate with a rechargeable NiMH battery pack or with disposable batteries Charging circuitry is incorporated in the receiver Charging equipment Equipment is available for charging and storing 56 infra red receivers It is available for portable or fixed installation applications ...

Page 7: ...n 1 3 2 The digital audio processing guarantees an constant high audio quality The signal processing in the transmitter consists of the following main steps see Figure 1 3 1 A D conversion Each analogue audio channel is converted to a digital signal 2 Compression The digital signals are compressed to increase the amount of information that can be distributed on each carrier The compression factor ...

Page 8: ...ype Each carrier can contain up to 4 different audio channels The maximum number of channels per carrier is dependent on the selected quality modes Stereo signals use twice as much bandwidth as a mono signals premium quality uses twice as much bandwidth as standard quality Per carrier a mix of channels with different quality modes is possible as long as the total available bandwidth is not exceede...

Page 9: ...his effect is not large but for larger rotations the sensitivity will decrease rapidly 45 45 90 Figure 1 4 Directional characteristics of the receivers 1 3 2 The footprint of the radiator The coverage area of a radiator depends on the number of transmitted carriers and the output power of the radiator The coverage area of the LBB 4512 radiator is twice as large as the coverage area of the LBB 4511...

Page 10: ...Integrus system Also sunlight and artificial lighting with incandescent or halogen lamps up to 1000 lux give no problems with the Integrus system When high levels of artificial lighting with incandescent or halogen lamps such as spotlights or stage lighting are applied you should directly point a radiator at the receivers in order to ensure reliable transmission For venues containing large unscree...

Page 11: ... via diffused reflections it is important to take this into account when considering the positioning of the radiators Though it is best if receivers pick up direct path infra red radiation reflections improve the signal reception and should therefore not be minimised Radiators should be positioned high enough not to be blocked by people in the hall see Figure 1 11 and Figure 1 12 Figure 1 11 Infra...

Page 12: ...a red radiation from radiators positioned in front When the direction of the receiver changes e g with varying seat arrangements mount the radiators in the corners of the room see Figure 1 15 If the audience is always directed towards the radiators you do not need radiators at the back see Figure 1 16 If the path of the infra red signals is partially blocked e g under balconies you should cover th...

Page 13: ...rlapping footprints and differences in signal delays Figure 1 18 Increased coverage area caused by added radiation power Figure 1 19 Reduced coverage area caused by differences in cable signal delay The lower the carrier frequency the less susceptible the receiver is for differences in signal delays The signal delays can be compensated by using the delay compensation switches on the radiators see ...

Page 14: ...ators the distance between these radiators can be increased by a factor 1 4 approximately see Figure 1 22 L R1 R2 R3 R4 R1 R2 R3 R4 W 1 4 W 1 4 L Figure 1 22 The effect of overlapping footprints 1 4 2 Planning radiators Use the following procedure to plan the radiators 1 Follow the recommendations in section 1 3 in order to determine the positioning of the radiators 2 Look up in the table or calcu...

Page 15: ...iator if possible see Figure 1 23 50m 50m 50m 50m Figure 1 23 Radiators with equal cable length When radiators are loop through connected the cabling between each radiator and the transmitter should be as symmetrical as possible see Figure 1 24 and Figure 1 25 The differences in cable signal delays can be compensated with the signal delay compensation switches on the radiators Figure 1 24 Asymmetr...

Page 16: ...tch positions manually for systems with one transmitter or two or more transmitters See the delay switch calculation tool for the procedures how to calculate the delay switch positions automatically The delay switch calculation tool eases the calculation of the delay switch positions 1 5 1 System with one transmitter 1 5 1 1 Determining delay switch positions by measuring the cable lengths Use the...

Page 17: ...nect the cable from a radiator output of the transmitter and connect this to a delay measurement tool 2 Disconnect a radiator from this cable 3 Measure the impulse response time in ns of the cable s between the transmitter and the radiator 4 Reconnect the cable to the radiator and repeat steps 2 to 4 for the other radiators that are connected to the same transmitter output 5 Reconnect the cable to...

Page 18: ...ansmission through the slave transmitter Use the following procedure to determine the delay switch positions in a master slave configuration 1 Calculate the cable signal delay for each radiator using the procedures for a system with one transmitter 2 Calculate the signal delay of the cable between the master and the slave transmitter in the same way as for cables between a transmitter and a radiat...

Page 19: ...on of the delay switch positions of a system with two transmitters Radiator number Transmitter Master to slave signal delay ns Cable signal delay ns Total signal delay ns Signal delay difference ns Delay switch position 1 Master 0 168 0 168 168 593 168 425 425 33 12 88 13 2 Master 0 280 0 280 280 593 280 313 313 33 9 48 9 3 Master 0 112 0 112 112 593 112 481 481 33 14 58 15 4 Master 0 168 0 168 16...

Page 20: ...which can be compensated for For systems with more than four carriers add one delay switch position per 10 meter 33 feet difference in signal path length to the radiators which are closest to the overlapping coverage area In Figure 1 29 the signal path length difference is 12 meter Add one delay switch position to the calculated switch position s for the radiator s under the balcony 16m 4m Figure ...

Page 21: ...er can not pick up infra red radiation of adequate strength This can be because the tested position is outside the footprint of the installed radiators or the radiation is blocked by obstacles such as a column an overhanging balcony or other large objects Check that you used the correct footprints for the system design that radiators with enough output power are installed and that a radiator is no...

Page 22: ...ed with the Digital Congress Network DCN conference system or analogue discussion and interpretation systems such as the CCS 800 with up to 12 interpreters desks or as a stand alone system distributing external audio sources The transmitter is suitable for either table top or 19 inch rack mounted use Four feet for table top use and two mounting brackets for rack mounting are supplied The mounting ...

Page 23: ... 26 28 30 1 2 6 8 7 5 3 4 Figure 2 3 Transmitter rear view 1 Interface module slot An optional audio interface module can be mounted in the transmitter housing Its connectors are accessible via an opening at the back of the transmitter 2 Emergency switch connector A terminal block socket for a single normally open switch When the switch is closed the audio signal on the Aux right input is distribu...

Page 24: ...trunk output female DIN connector for loop through interconnection with DCN units 2 DCN input cable A 2 m 6 ft 6 in trunk input cable with 6 pole male DIN connector for loop through interconnection with DCN units 3 PCB connector When the DCN system supply voltage on the trunk input switches off the DCN Interface Module automatically switches the transmitter to standby When the DCN system supply vo...

Page 25: ...ce module slot cover 4 at the back of the transmitter Keep the screws 7 3 Remove the front plate 2 of the interface module 1 Keep the screws 5 The front plate is not used 4 Remove the screws 6 that connect the back plate 3 of the module to the PCB Keep the screws 5 Mount the slot cover 4 and the module s back plate 3 to the module s PCB Use the screws from step 4 6 Insert the module 1 with the com...

Page 26: ...26 en INTEGRUS Digital Infra red Language Distribution System BOSCH Security Systems B V February 2003 4 1 7 5 9 8 Figure 2 7 Mounting an interface module in the transmitter housing ...

Page 27: ...o another transmitter 2 3 1 Connecting the DCN system The transmitter requires the DCN Interface Module LBB 3423 to interface with the Digital Congress Network DCN This module must be mounted in the transmitter housing see section 2 2 2 The connections between DCN units and the transmitter are made in a loop through configuration via the DCN 6 pole circular connectors on the module s rear panel Se...

Page 28: ...urces such as congress systems from other manufacturers or for music distribution The audio signals stereo or mono are connected to the audio input cinch connectors Note When the cinch audio inputs are used in combination with inputs via one of the interface modules the signals on corresponding channels are mixed This situation should normally be avoided by using higher numbered cinch audio inputs...

Page 29: ...signal function a switch normally open must be connected to the emergency switch connector When the switch is closed the audio signal on the Aux Right input is distributed to all output channels overriding all other audio inputs The Aux Input mode of the transmitter must be set to Mono Emergency see section 2 5 13 Figure 2 10 Connecting an emergency signal ...

Page 30: ...slave mode to loop through the IR radiator signals from a master transmitter One of the four radiator outputs of the master transmitter is connected with an RG59 cable to the radiator signal loop through input of the slave transmitter The Transmission mode of the slave transmitter must be set to Slave see section 2 5 7 MASTER SLAVE Figure 2 11 Connecting to another transmitter ...

Page 31: ...s of the transmitter are set via an interactive menu using a 2x16 character LCD display and a turn and push menu button Figure 2 12 gives an overview of the menu structure A general description of how to use the menu is given in section2 4 2 Some examples are given in section 2 4 3 The detailed descriptions of all menu items can be found in section 2 5 0 1 2 Figure 2 12 Menu overview ...

Page 32: ...r more settable configuration options The value of an option can be changed by selecting a value from a list of available values 4C Ch Quality Per Channel main menu item number sub menu item character three dots indicate that the item has a sub menu menu item title 4C Channel 12 Stereo PQ In 03 option values Figure 2 13 menu item screen elements To navigate through the Main menu 1 Turn the button ...

Page 33: ...xt is blinking An underscore _ indicates the position of the cursor Each example starts at the Transmitter Status screen Example 1 Disable carrier 2 See also section 2 5 10 Transmitter 32 Channels 1 Turn the button to select the Setup item 4 in the Main menu 4F Carrier 2 Enabled 8 Push to confirm 4 Setup 2 Push and hold the button for 3 seconds to go to the Setup sub menu 4F Carrier 2 Enabled 9 Tu...

Page 34: ...t the first character C 4E Ch Names 4 Push to go to the Ch Names sub menu 4E Channel 12 C 14 Push to confirm this character 4E Channel 00 Floor 5 Turn to select the required channel number 12 4E Channel 12 C 15 Repeat steps 11 to 14 for the other characters 4E Channel 12 Spanish 6 Push to confirm 4E Channel 12 CD Music 16 Turn to move the cursor to the Main menu item number 4 4E Channel 12 Spanish...

Page 35: ...urn to move the cursor to the option on the second line 4C Channel 11 Stereo PQ In 12 16 Push to confirm 4C Ch Quality All Mono SQ 6 Push to confirm 4C Channel 11 Stereo PQ In 12 17 Turn to select the required input number 14 4C Ch Quality All Mono SQ 7 Turn to select the option value Per Channel 4C Channel 11 Stereo PQ In 14 18 Push to confirm 4C Ch Quality Per Channel 8 Push to go to the Channel...

Page 36: ...ub menu see sections 2 5 7 and higher 2 5 3 View transmitter status The first screen of the Main menu gives information about the present status of the transmitter The screens shows the name of the transmitter 1st line and the present transmission mode 2nd line See examples below See section 2 5 7 to change the transmission mode Transmitter 10 Channels DCN Transmitter Aux to All Transmiter Standby...

Page 37: ... been chosen When the headphone output is disabled see section 2 5 17 the output level can not be changed and the level indicator is not visible Menu Item Option Value 1 Value 2 Description 2A Source Volume Source In nn Input nr 00 31 Volume 31 0 dB The signal from audio input nn is available on the monitoring headphone output Ch nn Channel nr 00 31 Volume 31 0 dB The signal on channel nn is avail...

Page 38: ...the transmitter using a DCN interface module of version 01 05 or higher the number of channels can be automatically set by the DCN system Menu Items Option Description 4B Nr of Ch Nr of channels Automatic nn The number of used channels is set automatically to the maximum possible number of channels depending on transmitter type and the selected quality modes When a DCN system is connected the numb...

Page 39: ...elect the audio input that should be distributed on the selected channel For stereo signals the input number of the left signal even number should be selected Not more than 28 inputs can be rerouted 2 5 10 Set channel names Each channel can be assigned a name via the Channel Names menu 4E This can be Floor or one of 30 pre defined ISO language names Also up to 32 user defined names can be added Se...

Page 40: ...nabled The selected carrier is enabled on 2 5 12 View carrier assignments With menu option 4G the carrier assignment can be seen i e which channels are transmitted on each carrier Note that the number of channels that can be distributed on one carrier depends on the chosen quality mode See examples below 4G Carrier 1 Ch 04 05 06 07 4G Carrier 4 Ch 16 17 4G Carrier 5 Ch 18 18 19 19 Channels 4 5 6 a...

Page 41: ...ed to the Symmetrical Audio Input and Interpreters Module when present The Aux R input is distributed as emergency signal to all channels when the emergency switch is closed 2 5 14 Set sensitivity of the inputs The sensitivity of the audio and Aux inputs can be set in the Input Sensitivity menus 4I 4J 4K The sensitivity can be set the same for all audio inputs menu item 4K or for each audio input ...

Page 42: ...s When required e g for security reasons this option can be switched off in menu item 4N Menu Items Options Description 4N Headphone Enabled or Disabled Enable or disable the headphone output at the front of the transmitter 2 5 18 Reset all options to factory default values Use menu item 4O to reset all options to the factory defaults The user defined transmitters name the user defined language na...

Page 43: ... carrier waves the radiators switch to standby mode There is also a temperature protection mode which automatically switches the radiators from full to half power or from half power to stand by if the temperature of the IREDs becomes too high 1 2 3 X10 Output power Loop Through inputs 100 240 V X1 High Do not terminate Low Delay compensation 4 Figure 3 1 LBB 4511 00 and 4512 00 IR Radiators back v...

Page 44: ...ons a floor stand can be used Note When in operation the radiators may feel warm to the touch This is quite normal and does not indicate a radiator fault or malfunction Always ensure that natural airflow is not obstructed by ceilings walls etc when determining the position of the radiator Leave plenty of space around the radiator to prevent it becoming too hot Attaching the suspension bracket Firs...

Page 45: ...ttaching the radiator inclusive suspension bracket and stud to the floor stand Wall mounting For wall mounting an extra wall bracket LBB 3414 00 is required must be ordered separately This bracket is attached to the wall by means of four bolts see Figure 3 8 Four holes of 10 mm in diameter and 60 mm in depth must be drilled using the drilling pattern see Figure 3 7 The four bolts used to attach th...

Page 46: ...wall Figure 3 9 Attaching the radiator to the wall mounting bracket Ceiling mounting The radiators can be attached to the ceiling using the supplied suspension bracket This ensures enough space for a proper air flow around the radiator Mounting a radiator in the ceiling will in most cases require a forced air flow by means of a ventilator to prevent overheating Mounting on horizontal surfaces When...

Page 47: ...onnectors on the radiator N For the automatic cable termination to work never leave an open ended cable connected to the last radiator in a loop through chain N When connecting infra red radiators do not split the cable else the system will not function correctly Figure 3 10 Loop through connection of LBB 4511 and or LBB 4512 IR Radiators 3 5 Using the output power selection switch The radiators c...

Page 48: ...n the receiver picks up an infra red signal of adequate quality A battery symbol is visible when the battery pack or the batteries are almost empty 4 Volume control A slider to adjust the volume 5 Channel selector An up down switch to select an audio channel The channel number is shown on the LCD display 6 On Off button When a headphone is connected the receiver switches to Stand by state Pressing...

Page 49: ...ert the batteries or the battery pack in the receiver with the correct polarity as indicated in the battery compartment The battery pack has a separate connection cable which must be connected to the receiver When this connection is not present the charging circuitry in the receiver will not work This also prevents the unwanted charging of disposable batteries The battery pack has a temperature se...

Page 50: ...ntended to charge LBB 4540 xx receivers with a LBB 4550 00 battery pack You cannot charge other receiver types with the LBB 4560 xx charging units nor can you use other charging units to charge LBB 4540 xx receivers Two versions are available which are functionally identical N LBB 4560 00 Charging suitcase for portable systems N LBB 4560 50 Charging cabinet for permanent systems Suitable for eithe...

Page 51: ...eceiver LED colour Charging status Green Charging completed Red Charging in progress Red blinking Error status See chapter 6 Trouble shooting Off Charger switched off or receiver not properly inserted N It is preferred to switch on the charging unit before inserting the receivers Receivers can be inserted or removed without damage while the charging unit is switched on N Charge the battery pack to...

Page 52: ...ructed If not so replace the radiator Both red LED and amber LED are on of one or both IRED panels of a radiator N IRED panel malfunctions and the radiator should be replaced Infra red receiver fails to function properly N If disposable batteries are used check whether the batteries have sufficient capacity and whether they are inserted with the correct polarity N If a battery pack is used ensure ...

Page 53: ...lk attenuation at 1 kHz 80 dB N Dynamic range 80 dB N Weighted signal to noise ratio 80 dB A Cabling and System Limits N Cable type 75 Ohm RG59 N Maximum number of radiators 30 per HF output N Maximum cable length 900 m per HF output System Environmental Conditions N Working conditions Fixed stationary transportable N Temperature range N transport 40 to 70GC 40 to 158GF N operating 5 to 45GC 41 to...

Page 54: ... 0 lbs without brackets with feet N Finish Charcoal with silver Electrical Characteristics N Asymmetrical audio inputs 6 to 6 dBV nominal N Symmetrical audio inputs 6 to 18 dBV nominal N Emergency switch connector emergency control input N Headphone output 32 Ohm to 2 kOhm N HF input nominal 1Vpp minimum 10 mVpp 75 Ohm N HF output 1 Vpp 6 VDC 75 Ohm N Mains voltage 90 to 260 V 50 to 60 Hz N Power ...

Page 55: ...ng N Weight LBB 4511 00 without bracket 6 8 kg 15 lbs LBB 4511 00 with bracket 7 6 kg 17 lbs LBB 4512 00 without bracket 9 5 kg 21 lbs LBB 4512 00 with bracket 10 3 kg 23 lbs N Finish Bronze coloured Electrical and Optical Characteristics N Number of IREDs 260 LBB 4511 00 480 LBB 4512 00 N Total IR output at 20 ºC 8 Wrms 16 Wpp LBB 4511 00 16 Wrms 32 Wpp LBB 4512 00 N Total optical peak intensity ...

Page 56: ... to 3 6 V nominal 2 4 V N Power consumption at 2 4 V 15 mA speech at maximum volume 32 Ohm headphone N Power consumption standby 1 mA 7 4 2 LBB 4550 00 NiMH Battery Pack Physical characteristics N Dimensions H x W x D 14 x 28 x 49 mm 5 5 x 11 x 19 in N Weight 50 g 11 lb Electrical characteristics N Voltage 2 4 V N Capacity 1100 mAH 7 4 3 LBB 4560 Charging Units Physical Characteristics N Mounting ...

Page 57: ... Brown Live Green Yellow Earth Ground 7 5 2 Audio cables 3 pole XLR connector female Pin1 Earth Pin 2 Signal Pin 3 Signal Chinch connector male Pin 1 Signal Pin 2 Signal 7 5 3 Earphones 3 5 mm Jack plug Tip 1 Signal left Ring 2 Signal Right Sleeve 3 Electrical earth screen 7 5 4 Emergency switch Terminal block Connect the emergency switch to pin 1 and 2 ...

Page 58: ... 29 26 1 90 324 18 18 9 676 26 26 13 2 2 5 15 308 22 14 4 576 32 18 6 5 15 322 23 14 5 620 31 20 7 30 247 19 13 3 468 26 18 4 45 168 14 12 1 288 18 16 2 60 132 12 11 1 196 14 14 0 90 100 10 10 5 144 12 12 6 10 30 266 19 14 6 551 29 19 5 45 234 18 13 2 414 23 18 2 60 195 15 13 1 306 18 17 1 90 144 12 12 6 256 16 16 8 20 60 195 15 13 3 418 22 19 1 90 196 14 14 7 324 18 18 9 4 2 5 15 160 16 10 3 308 ...

Page 59: ...15 3312 72 46 13 6195 105 59 20 16 15 3450 75 46 16 6732 102 66 23 30 2666 62 43 10 5015 85 59 13 45 1794 46 39 3 3068 59 52 7 60 1404 39 36 3 2116 46 46 0 90 1089 33 33 16 1521 39 39 20 33 30 2852 62 46 20 5890 95 62 16 45 2537 59 43 7 4425 75 59 7 60 2107 49 43 3 3304 59 56 3 90 1521 39 39 20 2704 52 52 26 66 60 2107 49 43 10 4464 72 62 3 90 2116 46 46 23 3481 59 59 30 4 8 15 1716 52 33 10 3312 ...

Page 60: ...mitter 22 Interface module LBB 3423 00 DCN interface module 24 Infra red radiators LBB 4511 00 Medium power radiator 43 LBB 4512 00 High power radiator 43 LBB 3414 00 Wall mounting bracket 44 Infra red receivers LBB 4540 04 4 channel pocket receiver 48 LBB 4540 32 32 channel pocket receiver 48 LBB 4550 00 Rechargeable NiMH battery pack 49 Headphones LBB 3441 00 Under the chin mono headphones 49 LB...

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