Digital IR Hardware - Listen Technologies
Contents
1. 51 OOO P ET TTD NT TNT 53 Testing the Coverage Area csscscsssccscscssccscsceccccecsceccececscsceccecscscescececscesescecscesescecces 54 BecepHom Test IMOGG soda pdt ieenc pas bee eect pe MbepcdDU nw xbidmss petra mad Soin d dereidubn Ut RDUM 54 Testing the Coverage Aread cccssccccsssccccsssccceseccsenseccssnscesauseceseesessauecesauesessaaecessaseesauecessenscessansessaaees 55 PV ACID OG ETT TT T TT TTE TT ECT 56 Ni MH Rechargeable Battery Pack scsscscsssecscscsccccccscsccccccscsceccccscsceccccecsceseecscscesess 56 Assembly Instructions for the Battery Pack of the Receiver eee 57 Charging C ASE o serve meo EEE AE au uaue xaO EE cu Mu M Vade UNUS 59 I iR IIS PRENDE E C UU TT m 59 I m 59 Charging PFOCOOHEB o sees our pus Ex RAUUNIEESD NO Ex SO a ORE DuE S UExU S KOUn RS RU E SRNE SNO VR OREDNS MANERA INL venessas sc 60 Fault BIEIaleri lE TETTE TUDIN 61 liner T 63 System Specification ac ETE 63 Infrared Transmitters Aladdin T8 ccsccscsccscsccsceccscescscsccccsccccscescscescscsceccscesesceseecess 65 Radiators and ACCeSSOTBS ur vox r rn ore FEX RESTE MISERE ET DU ICEUMPMEVDA S ERIS EHI VR MMDEUEDHIE 66 Televic Conference Systems 2011 09 01 7 Aladdin Digital Infrared Language Distribution Insta2. the receiver automatically switches to stand by state The volume can be adjusted and displayed on LCD To switch the receiver manually to stand by mode simply press and hold the on off button for more than 2 seconds If the headphone is disconnected the receiver is automatically switched off The infrared receivers are operable either with disposable batteries 2xAA alkaline cells or with a rechargeable battery pack Aladdin BP Install the batteries or the battery pack with the correct polarity as indicated in the battery compartment A separate connection cable is required if a battery pack is used The charging circuitry will not work if this cable is missing preventing thus also charging of disposable batteries by mistake The battery pack is equipped with a temperature sensor to prevent overheating during charging For more details about charging the battery pack please refer to chapter 5 and 6 Televic Conference Systems 2011 09 01 Installation and User Manual sere At the end of their technical lives both disposable batteries and battery packs should be discarded according to ecological standards preferably at your nearest recycling station Note The charging circuitry will not work if the temperature sensor of the battery pack is missing or not connected preventing thus also charging of disposable batteries by mistake 53 Aladdin Digital Infrared Language Distributio
3. uses twice as much bandwidth as standard quality A mix of channels with different quality modes can be chosen for each carrier with the total bandwidth not exceeding the available bandwidth The table below lists all possible channel combinations per carrier Frequency Figure 1 4 Standard band of Aladdin infrared language distribution system Figure 1 5 Band allocation of BAND Televic Conference Systems 2011 09 01 13 Aladdin Digital Infrared Language Distribution Installation and User Manual Table 1 1 The numbers and quality modes of channels per carrier Channel quality Bandwidth Standard Perfect Standard Perfect Mono Mono Stereo Stereo Possible number of 2 x 10 kHz and 1 x 10 kHz left and 1 x channels per 10 kHz right carrier 1x20 kHz and 1 x 10 kHz left and 1 x 10 kHz right Remark when Aladdin receivers are used in The available carrier frequencies are in i i ithat itt f th accordance with IEC 61603 7 combination with a transmitter of another brand the used carrier frequencies must be 2 333MHz 3 000MHz the same as would normally be used by the 3 666MHz Aladdin transmitter in a similar channel 4 333MHz configuration 5 000MHz if the chosen carrier frequency is not correct 5 666MHz this will result in no audio received by the 2 extra carriers Aladdin receivers on some or all channels 6 333MHz 7 000MHz The used carrier frequencies are automatically set and can t be set
4. Installation and User Manual The system is composed of one or more of the following e Aladdin T8 8 channel digital infrared transmitter e Aladdin RAD25 25W digital infrared radiator e Aladdin R8 8 channel digital infrared receiver e Aladdin CHC IR receiver charging case 2011 09 01 10 Aladdin Digital Infrared Language Distribution Installation and User Manual 1 2 System Technology 1 2 1 Basic System Concept This chapter describes the basic system concept IR The basic system concept is shown in Figure 1 2 radiation signal processing audio quality modes BIER B d i The system consists of a number N of audio and gives more information about carriers and sources either analogue or digital which are channels connected to a transmitter The transmitter processes the audio signals into an electrical output to feed the infrared radiator see section 1 2 3 The infrared signal is received by the infrared receiver that processes the signal and outputs an audio signal and or associated data 4FE Audio Audio Audio Audio source source source source o o uree L Infrared Infrared radiator receiver Figure 1 2 The basic system concept 1 2 2 IR Radiation Aladdin series audio signal is based on transmission by modulated infrared radiation Infrared radiation is part of the electro magnetic spectrum whi
5. Max Relative humidity Safety EMC emission EMC immunity EMC approvals Static resistance Power harmonic Surge resistance EFT test Transient power off test Transport 40 C to 70 C Operating 0 C to 45 C lt 95 Compliant to EN 60065 Compliant to EN 61000 6 3 EN 55022 Compliant to EN 61000 4 3 CE FCC Compliant to EN 61000 4 2 Compliant to EN 61000 3 2 Compliant to EN61000 4 5 Compliant to EN61000 4 4 Compliant to EN61000 4 11 Televic Conference Systems 2011 09 01 Installation and User Manual 64 Aladdin Digital Infrared Language Distribution 8 2 Infrared Transmitters Aladdin T8 Physical Characteristics Mounting Brackets for 19 rack mounting or fixing to a table top Detachable feet for free standing use on a table top Dimensions HxWxD Weight Color Electrical Characteristics Unbalanced audio inputs Balanced audio inputs Emergency switch connector Headphone output HF input HF output Mains voltage Power consumption Power consumption standby Televic Conference Systems 430 x 325x 99 mm 7 5 kg Black 12 to 12 dBV nominal 6 to 18 dBV nominal emergency control input 32 Ohm to 2k Ohm nominal 1 Vpp minimum 10 mVpp 50 Ohm 1 Vpp 6 VDC 50 Ohm 110 to 260 V 50 to 60 Hz maximal 55 W 29 W 2011 09 01 Installation and User Manual 65 Aladdin Digital Infrare
6. lA C ears Smms SPA o Mec MS 30 5 Swds swe 6 Rem unknown s we mR 1 Ukrainian Televic Conference Systems 2011 09 01 71 Aladdin Digital Infrared Language Distribution Televic Conference Systems 2011 09 01 Installation and User Manual 72
7. unscreened windows more radiators should be added For outdoor use a site test will be required to determine the required amount of radiators With sufficient radiators the receivers will work well even in bright sunlight 2011 09 01 15 MF Frequen MF Aladdin Digital Infrared Language Distribution 1 3 2 Objects Surfaces and Reflections Just like visible light infrared radiation is reflected from hard surfaces and refracted by hyaloid glassy or transparent appearance objects Both objects in the conference venue and structure of the walls and ceilings will influence the distribution of infrared light Infrared radiation is reflected from almost all hard surfaces Smooth bright or shiny surfaces reflect well Dark or rough surfaces absorb a large part of the infrared energy Normally surfaces opaque to visible light are also opaque to infrared radiation Shadows from walls and furniture will influence the transmission of infrared light This can be solved by using a sufficient quantity of radiators They should be positioned in a manner to provide an infrared field strong enough to cover the whole conference area Take care not to direct radiators towards uncovered windows or most of this radiation will be lost Televic Conference Systems Installation and User Manual 1 3 3 Directional Sensitivity of the Receiver The sensitivity of a receiver is at its best when it is aimed directly to
8. 11 The radiator mounted perpendicular at 90 to the ceiling 2011 09 01 17 Aladdin Digital Infrared Language Distribution Installation and User Manual P If the path of the infrared signals is blocked e g 1 3 5 Positioning the Radiators under balconies at least one additional radiator is needed to cover the shaded area see Figure 1 13 Because infrared radiation can reach a receiver directly and or via diffused reflections it is important to take this into consideration when installing the radiators For best reception quality receivers should pick up direct infrared radiation In addition reflections will improve the signal reception In big conference halls infrared signal will be blocked by the people in front of the receiver For that reason the radiator should be installed at an appropriate height usually not below 2 5 meters For concentrically arranged conference venues radiators located high up and faced to the center Figure 1 13 Radiator for covering seats beneath a from every angle can cover the area very efficiently balcony If the direction of the receiver changes e g changing seat direction the radiators can be installed in the corners of the room In the case the seating is always directed towards the IR emitting source there are no radiators needed at the back see Figure 1 12 Transmitter Figure 1 12 Radiator positioning in a conference hall with auditorium seating
9. User Manual Delay switch position 0 25 0 112 25 4 48 4 56 25 2 24 2 168 25 6 72 7 0 25 0 112 25 4 48 4 47 Aladdin Digital Infrared Language Distribution Installation and User Manual 5 For each radiator calculate the signal delay 3 6 2 System with Two or More difference by subtracting the cable signal delay from the maximum signal delay 6 Divide the signal delay difference by 25 The rounded off number is the signal delay switch Transmitters in One Room When radiators in one multipurpose room are position for the radiator connected to two transmitters an extra signal delay 7 f needed add delay switch positions to is added by radiators under a balcony 8 Set the delay switches to the calculated delay Transmission from master transmitter to switch positions bypass transmitter cable signal delay Transmission through the bypass transmitter ve Use the following procedure to determine the delay If a master bypass mode is used for two switch positions in bypass mode rooms that are always separated the delay switch positions can be calculated 1 According to the procedures for a system with separately for each system and the delay one transmitter calculate the cable signal delay caused by transmission from master to for each radiator in Hall 1 and Hall 2 bypass transmitter can be ignored 2 Calculate the signal delay between the master and the bypass transmi
10. a longer time to change the number quickly auto repeat e Use EXIT to return to high level menu 2 Setting Up Subnet Mask and Gateway Same chronological order as for IP address set up IP address Subnet Mask and Gateway of the system software should correspond with the above transmitter settings else connection error will occur All menu setup except Network and Input sen use MENU button to exit saving changes and use EXIT to exit discarding changes Televic Conference Systems 2011 09 01 Installation and User Manual 29 Aladdin Digital Infrared Language Distribution 2 5 2 Carrier Carrier includes 4 submenus gt Set up status Channel number Frequency point gt audio setting 1 Enable Disable Current Carrier e Use gt button to enable or disable current carrier e Use MENU button to save Set carrier Set slave carrier Enable Enable EB NB NUN NN MENU a c Master mode menu Slave mode menu gt If Enabled e Press MENU button to setup current carrier e The frequency of the current carrier will be displayed figure 1 5 shows the band allocation gt If Disabled e press Menu to return to high level menu Set frequrncy of carrier 9 Set frequrncy of slave carrier i Installation and User Manual 2 Channel Number Configuration e Press MENU button at this interface t
11. and podium Televic Conference Systems 2011 09 01 18 Aladdin Digital Infrared Language Distribution 1 3 6 Overlapped Footprints and Multipath Effects If footprints of two radiators overlap the total coverage area may be larger than the sum of the two separate footprints In an area with overlap effect the individual radiation signals of two radiators are added resulting in an increase of the radiation intensity larger than the required intensity However due to the differences in the delays of the signals from two or more radiators the signals may cancel out each other multipath effect In a worst case situation loss of reception at some positions black spots may be the consequence Figure 1 14 and Figure 1 15 illustrate the effect of overlapped footprints and differences in signal delays Figure 1 14 Increased coverage area caused by added radiation power Televic Conference Systems Installation and User Manual v8 cee Semel Saat EDS Ae dy city feos UW i Se A DAS el RT Bala SAU OND WSS AUG eo Ne 0 WX UIS VIEN Er NR Ft aec il a AET A COE Figure 1 15 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 adjusting the delay compensation switches on the radiators see section 3 6 2011 09 01 19 Aladdi
12. connected for a first time to a master by default the carriers of the slave are disabled 25 Aladdin Digital Infrared Language Distribution Installation and User Manual 2 4 Menu Structure IP address Network Subnet mask Gateway Carrier Frequency Channel Audio quality status point number setting Carrier Ch name Adjust all channel input sensitivity siii MENU Misi aos Main menu pel 560 tern s V ha Adjust each channel input sensitivity Play Music Working Mode Language Televic Conference Systems 2011 09 01 26 Aladdin Digital Infrared Language Distribution 2 5 Configuration and Operation A General Set Up of All Status of the Transmitter Via an interactive menu on LCD and 4 operation buttons 9 To switch back to the English version please press and hold the EXIT button and switch on the transmitter B Starting Initialization Switch on Aladdin T8 transmitter The current status of the transmitter will be displayed on the LCD screen Initializing please wait gt If status is Master mode N or C display shows Total Channels Monitor Channel Work Mode Master N No slave transmitter connected Master C Transmitter in mergence mode And Slave transmitter connected Televic Conference Systems Installation and User Manual gt If status is Bypass mode display shows
13. information needed please contact your local TELEVIC representative e TELEVIC is the registered trademark of TELEVIC N V Televic Conference Systems 2011 09 01 2 Aladdin Digital Infrared Language Distribution Important Safety Instructions 1 10 11 12 Televic Conference Systems Please read the safety instructions carefully before installing and using the equipment Please keep this safety instruction for future reference Please strictly adhere to the WARNINGs in the user s guide Please follow all the operation instructions in the user s guide Equipment cleaning Make sure to turn off the power supply and disconnect the conference units before cleaning Clean only with a dry soft cloth To prevent from any hazard use only accessories recommended by the manufacturer To prevent from any hazard do not expose the equipment to moisture or humidity Do not place the equipment on any uneven or unstable stand Original product package or appropriate package should be used to avoid damage caused by strong impacts during transportation Adequate ventilation is good for the maintenance of the equipment Power supply cords America Japan AC 110V 120V 60Hz Asia Europe AC 220V 240V 50Hz Grounding 3 wire grounding plug To maintain the normal operation of the system system extension cables should be discreetly routed to avoid being walked on or pinched by heavy items 13
14. manually The fist carrier used is 2 333MHz the second is 3 000Mhz etc Televic Conference Systems 2011 09 01 14 Aladdin Digital Infrared Language Distribution 1 3 Aspects of Infrared Distribution A good digital infrared language distribution system ensures that all delegates in a conference venue receive the distributed signals without disturbance This is achieved by using a sufficient number of well positioned radiators so that uniform IR signal with adequate strength can be received at any place of the conference venue When planning an infrared distribution system several aspects influencing the uniformity and quality of the infrared signal should be considered These are discussed in the next sections Televic Conference Systems Installation and User Manual 1 3 1 Ambient Lighting Aladdin can be operated without any problem even if fluorescent lamps with or without electronic ballast or dimming facility such as TL lamps or energy saving lamps are switched on see Figure 1 6 and Figure 1 7 Frequen 38K 0 04 1 2 6 30 Figure 1 6 The interference band of an HF driven lighting system fluorescent lamp BAND Il BAND IV This band is This band is Allocation subject to light immune to light interference interference Figure 1 7 The infrared language distribution system using BAND IV 2 6MHz eliminates interference from high frequency lighting systems For venues with large
15. of 15 Figure 3 5 A typical rectangular footprint for a mounting Televic Conference Systems The guaranteed rectangular footprints of various numbers of carriers mounting heights and mounting angles can be found in section 8 6 2011 09 01 39 Aladdin Digital Infrared Language Distribution r The mounting height is the distance from the reception level and not from the floor to the radiator Usually the i distance from the reception level to the floor is 1 m approximately 3 For 2 carriers a common calculation is given that if the receiver can pick up the signal from adjacent 4 radiators the distance between these radiators can be increased by a factor 1 4 approximately see Figure 3 6 n f lu 4 6 B d zB Figure 3 6 The effect of overlapping footprints Televic Conference Systems Installation and User Manual 3 2 2 Planning Radiators Plan the radiators by following procedure Define the positioning of the radiators by the recommendations in section 1 3 Define the applicable rectangular footprints by consulting the table or calculating with the footprint calculation tool Draw a picture of the rectangular footprints in the layout of the room If the receiver can pick up the signals of from neighbored radiators in some areas determine the overlapped effect and draw the picture of the footprint enlargement s in the layout of the room Check if there is sufficient c
16. radiation reflected from a surface with a high reflectivity may also cause multipath effect Check that the signal delay compensation switches on the radiators are set to the correct value Check the system design If necessary reduce the distance between the two radiators that cause the problem and or add an extra radiator Please note that due to the physical characteristics of the signal distribution it is not possible to avoid multipath effects completely 2011 09 01 55 Aladdin Digital Infrared Language Distribution Installation and User Manual 4 4 Headphone 4 5 Ni MH Rechargeable The headphones are connected to the receivers via Battery Pack an 3 5 mm stereo jack Suitable headphone types include Ni MH battery pack is used with the Aladdin pocket receiver The battery pack is equipped with a E LL temperature sensor to prevent overheating during the charging process The autonomy of a fully loaded battery pack is about 52h um TEL 200 Televic Conference Systems 2011 09 01 56 Aladdin Digital Infrared Language Distribution Installation and User Manual Step 4 Plug the connector from the battery pack to 5 Assembly the 3 pole socket in the battery holder in a correct direction Instructions for the Battery Pack of the Receiver Step 1 Tool needed a small shape screw driver Phillips type Step 5 Press the lower part of the battery pack against the spring in the battery ho
17. when select ceiling mounting In most cases a ventilator is needed to prevent overheating M8 bolt to be fixed on the ceiling Bolts as accessories for fastening Figure 3 13 Ceiling mounting 3 3 4 Mounting on Horizontal Surface If the radiator has to be installed on a horizontal plane e g on the top of an interpreter booth the distance between the radiator and the plane should be at least 4 cm to ensure enough airflow around the radiator Normally this can be achieved by using the built in bracket as a support If not switch the radiator to half power If the radiator is working at full power on top of an interpreter booth the ambient temperature should not exceed 35 C 43 Aladdin Digital Infrared Language Distribution 3 4 Connecting to Transmitter There are 4 functionally identical HF signal output interfaces on the transmitter Each one can connect up to 30 Aladdin RAD25 radiators in daisy chain The radiators are connected with RG 58 cables The maximum cable length per output is 900m Automatic cable termination is achieved by a built in switch in the BNC connectors on the radiator ver For the automatic cable termination function do not leave an open ended cable connected to the last radiator in a loop through chain Figure 3 14 Radiators connected in daisy chain Televic Conference Systems Installation and User Manual 3 5 Output Power Selection The rad
18. 14 15 16 17 18 19 20 21 22 Installation and User Manual The quantity of connected radiators in one system should not exceed prescribed quantity please refer to 3 1 for details For service please contact the nearest TELEVIC Service Center Do not remove the cover of the equipment at will no hard conductor or liquid substance should be left inside the products For service please contact the nearest TELEVIC Service Center Do not disassemble the equipment by non authorized personnel All TELEVIC products are guaranteed for 3 years excluding the following cases caused by personnel Damage or malfunction caused by human negligence Damage or malfunction caused by improper operating by the operator Parts damage or loss caused by disassembling the product by non authorized personnel Use ONLY specified connection cable to connect the system equipment Turn off the power supply and unplug the equipment from the power supply in case the equipment is not in use for a long time It will result in low battery and may damage the battery pack if the battery pack is not used for a long time Please fully charge the battery for every three months CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE 2011 09 01 Aladdin Digital Infrared Language Distribution Installation and User Manua
19. 14 5 mm Weight 55g Electrical Characteristics Voltage 2 4V Capacity 2000 mAh Televic Conference Systems 2011 09 01 68 Aladdin Digital Infrared Language Distribution 8 5 Connection Details This chapter describes the cables headphones connectors and the emergency switch Televic Conference Systems Installation and User Manual 8 5 1 Mains Cables Blue Neutral Brown Live Green Yellow Earth Ground 8 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 GND 8 5 3 Headphones 3 5 mm Jack Plug Tip 1 Signal left Ring 2 Signal Right Sleeve 3 Electrical earth screen AE A ve 8 5 4 Emergency Switch Terminal Block Connect the emergency switch to 2011 09 01 69 Aladdin Digital Infrared Language Distribution Installation and User Manual 8 6 Guaranteed Rectangular Footprint Aladdin RAD25 The mounting height is the distance from the reception level and not from the floor O Televic Conference Systems 2011 09 01 7 Aladdin Digital Infrared Language Distribution Installation and User Manual 8 7 Display Language List W Chinese Engish Abbreviation W Chinese English Abbreviation s ae chinese s JH Danish s mae Dun 0m LL LL LI j n PESA Tajik 25 mars Ponguess POR se smar Ma
20. 2 1 2 3 1 2 4 1 2 5 1 3 L1 1 3 2 1 3 3 1 3 4 13 5 1 3 6 2 1 2 2 2 3 2 941 2 3 2 2 3 3 2 3 4 2 4 2 5 2 94 2 5 2 2 2 3 2 5 4 2 9 9 2 5 6 2 6 PET O CIN CTION Pe 9 uta aS 10 System TechHWoloB V aoiosoises din ii ea PAIR AERRRERISERE RINESMERUIS ENR SN N ORO UNDER ERN PEN UIN SUUS pcd naana 11 BAS Sy teM ONC OU P 11 RRA O MEE UU Ur 11 Signal Processing MITT ER PER 12 Audio Quality MOdES 13 Carrers ANIONS ra an E E E A E E ENE E O ETAN 13 Aspects of Infrared Distribution cccscscsscscscsccccscsccccecscsccccccscscescecscscececcecscssescecces 15 Maza rr 15 Objects Surfaces and RellectioliSisnepe rnb tibeemtUR Eb sap snusaws a a a ERE Ea 16 Directional Sensitivity of the Receiver ise iino pen PX ES Eon r RP Ono Qe nS Cdi Y eR Bench dir RERO MI Uu bRv au M Gas ERE DRE EE FUR UNE PO 16 Ihe Footprint of the Radiator xuesssisresESateticanetkesivshadeK DNtsatu VE eda E E sedi URN UN NH UDPENE 17 Positioning the Rad dEOELS oseptsA DIR IMNISEV nM RUMSU P OMM MUI MB UD M enu MES USE NDS 18 Overlapped Footprints and Multipath Effects cccccccssssseccccessecccceeeccecseeseceeseeaseeesseaaeeessaeaeeeeees 19 Digital Infrared Transmitter ccccscscscsccscscsccccscsceccccecscsccccecscs
21. 2 168 25 6 72 2804280 560 2804168 448 560 448 112 112 25 4 48 4 EN EN EN EN EN 30 5 6 30 168 50 5 6 50 280 280 4280 560 560 560 0 280 Televic Conference Systems 2011 09 01 49 Aladdin Digital Infrared Language Distribution 4 Digital Infrared Receiver This chapter describes the Aladdin R8 digital infrared receiver Installation and User Manual 4 1 Overview Aladdin R8 IR receiver can receive up to 8 language channels Both rechargeable Ni HM battery and disposable battery can be used The receiver is equipped with channel selector volume control power switch 3 5 mm stereo headphone jack and charging circuit on the PCB A LCD displays channel number with language name received signal intensity battery capacity and volume Aladdin R8 8 Channel Digital Infrared Receiver Figure 4 1 Aladdin R8 receiver 1 Infrared red filtering glass for receiving IR signal 2 Headphone jack 3 5 mm stereo headphone jack 3 LCD Displays channel number language battery capacity signal intensity and volume 4 Channel selector An up down switch to select audio channel Channel number and language name will be displayed on LCD 5 Power switch When headphone is plugged in the receiver changes to stand by status Press power switch to switch on receiver Press and hold for 2s will return to stand by status 6 Charging contacts Used for charging Televic C
22. 475 ns In most cases the cable signal delays can be calculated manually using in addition the delay switch calculation tool available on the documentation CD ROM How to calculate the delay switch positions manually for systems with one two or more transmitters will be described in the next sections Refer to the delay switch calculation tool for information how to get a computed value for the delay switch position Televic Conference Systems Installation and User Manual 3 6 1 System with One Transmitter There are no cable signal delays in systems with only one transmitter and radiators directly connected to the transmitter with cables of identical length The delay switches on all radiators are to be set to zero Subsequently check whether to compensate for radiation signal delay see section 3 6 3 If the cable lengths differ from radiator to radiator the delay switch parameter can be calculated with the formula y Luax L x 5 6 j 29 Take signal delay rate as 5 6 ns m value as example for calculation only real value depends on the cable type used e X delay compensation parameter displayed on the LCD e Lmax maximum cable length in the considered chain For the most distanced radiator Lmax and L are identical e L cable length between transmitter and radiator Use the following procedure to determine the delay switch position based on cable lengths 1 Measure the cable length
23. L between the transmitter and every single radiator 2 Determine the maximum cable length Lmax 3 For each radiator calculate the cable length difference value Lmax L 4 To obtain the cable signal delays for each radiator multiply the cable length difference of each radiator with the cable signal delay per meter 2011 09 01 45 Aladdin Digital Infrared Language Distribution Installation and User Manual 5 Divide the calculated signal delay difference by 25 The rounded off figure is the signal delay switch position for the radiator 6 If applicable add delay switch positions for radiators under a balcony see section 3 6 3 7 Set the delay switches to the calculated switch positions Figure 3 15 and table 3 1 illustrate the calculation of the cable signal delay 20m SA Transmitter Figure 3 15 System with 5 radiators and measured cable lengths Televic Conference Systems 2011 09 01 46 Aladdin Digital Infrared Language Distribution Installation Table 3 1 Calculation of the cable signal delays Radiator Total cable Cable length Cable signal delay Signal delay number length L m difference max L m per meter ns m difference ns pee 1o x Luax 50 m O The used cable signal delay per meter is only serving as an example For your calculation use the actual signal delay per meter value specified by the cable manufacturer Televic Conference Systems 2011 09 01 and
24. The audio signal input and auxiliary audio signal input of the transmitter will be monitored The selected channel is displayed on LCD Select monitor channel Audio input 0 After monitor channel selection LCD will return to transmitter status interface The monitor channel is updated to the channel selected at last Monitor volume can be adjusted by monitor volume control between 30dB and O dB Default volume 15 dB Monitor Volume Televic Conference Systems 2011 09 01 Installation and User Manual 35 Aladdin Digital Infrared Language Distribution 3 Digital Infrared Radiator This chapter describes the Aladdin RAD25 digital infrared radiator Installation and User Manual 3 1 Overview This unit accepts carrier signals generated by the transmitter and emits infrared radiation carrying 8 audio distribution channels Radiators are connected to the HF BNC connectors of the IR transmitter A maximum of 30 radiators daisy chained connected can be connected to each of these outputs The Aladdin RAD25 25W digital infrared radiator uses a universal power supply and automatically power on off synchronously with the transmitter If the radiator does not receive a carrier it switches to stand by state automatically If the radiator is overheating it will automatically switch from full power to half power or from half power to stand by state Aladdin RAD25 Front View Fi
25. Work mode Monitor Channel gt If status is Slave mode display shows Connection status Monitor channel iti Monitor Ch Slave connect to master Monitor Ch Velas ets 2011 09 01 27 Aladdin Digital Infrared Language Distribution C Accessing Main Menu Press Menu button Depending on transmitter status display shows the terms gt In Master mode gt Network gt Carrier gt Channel name gt Input sensitivity gt Aux input gt Other gt In Slave and Bypass mode Network Work mode gt Language gt About The current chosen term e g Network is highlighted e Press MENU button to go to corresponding submenus e Toswitch from term to term use c button e To exit current menu and to return to upper level menu use EXIT button Televic Conference Systems 2011 09 01 Installation and User Manual 28 Aladdin Digital Infrared Language Distribution 2 5 1 Network Network includes 3 submenus IP Address gt Subnet Mask gt Gateway IP address MEST Can EM SEINE CETT TT Set IP address 192 168 1 KB 1 Setting Up Unique IP Address for the Transmitter e Use lt gt button to switch between the four numbers e Use MENU button to edit selected number e Use gt button to decrease increase the number Press and hold gt button for
26. battery pack and charging case It also describes the connection details and gives a list of the display languages Televic Conference Systems Installation and User Manual 8 1 System Specification System Performance Conforms to IEC 60914 the international standard for conference systems Conforms to IEC 61603 7 the international standard for digital infra red transmission of audio signals for conference and similar applications Transmission Characteristics IR transmission 8 0 nm wavelength Carriers O to 5 2 to 6 MHz according to IEC 61603 7 Carriers 6 and 7 up to 8 MHz Modulation frequency Protocol and modulation DQPSK according to IEC 61603 7 System Audio Performance Measured from the audio input of an Aladdin T8 transmitter to the headphone output of an Aladdin R8 receiver 20 Hz to 10 kHz 3 dB at Standard Quality 20 Hz to 20 kHz 3 dB at Perfect Quality Audio frequency response Total harmonic O distortion at 1 kHz ODA Crosstalk attenuation at 1 kHz 80 dB Dynamic range gt 80 dB Weighted signal to 80 dB A noise ratio Cabling and System Limits Cable type 50 Ohm RG58 Maximum number of radiators 30 per HF output Maximum cable length 900 m per HF output 2011 09 01 63 Aladdin Digital Infrared Language Distribution System Environmental Conditions Working conditions fixed stationary transportable Temperature range
27. ceccececuceccececscesescecscesess 21 iUe i T E 21 PASC AN ATION scene coe EE O 22 CONNECTION os 23 jo ES 1 2 0 2 7 18 URN 23 To External AOI SO UIE BS rieti d bau NUR d R r tau a PD E DM EadE NI R da DS E E 23 TO EMEFZENCY SIGN SWIT e 24 To Another Tanem Oi m mE 24 Menu eod gre e UT ot BR 26 Configuration and Operation ossseoasvsso sans Av UEEySEREONEQV NU A VAN SSREDNCNOTAN NUMEN ES USO ER VANUS eu SN CES 27 NECN OE EN TE RT 29 8 30 channe NN INO a a E d 31 INPUT SEMSIEIVILY E E E 32 P aE EE E AAE A A EAA E AE E A RS 32 Sul aus naetioes 33 VIG IE ON utet 35 Digital Infrared RadlatO ps iiioaei s ione eins e Emi E Ro eor o ER n erac nodo Peso os Fooc ou uen dies e Es uimes civi ia 37 Televic Conference Systems 2011 09 01 6 Aladdin Digital Infrared Language Distribution Installation and User Manual 3 1 3 2 3 2 1 3 2 2 3 2 9 3 3 3 3 1 3 3 4 3 9 5 5 54 3 4 3 5 3 6 3 5 1 3 6 2 4 1 4 2 4 3 4 3 1 4 3 2 4 4 4 5 6 1 6 2 6 3 8 1 8 2 8 3 OVOrVIO WW E E S do pi doRIN dU Qo bas UENIRE Ms FpR RN E do E OU QNM ESO ULNIS dV
28. ch is composed of visible light radio waves and other types of radiation Its wavelength is higher than that of visible light Conference hall privacy the congress venue itself acts as a barrier to infrared signals escaping As infrared is unable to pass through opaque objects such as walls the signal cannot be overheard Moreover Aladdin series does not emit radio radiation Operating the system does not require a radio frequency license anywhere in the world Televic Conference Systems 2011 09 01 11 Aladdin Digital Infrared Language Distribution 1 2 3 Signal Processing Aladdin uses high frequency carrier signals typically 2 6 MHz to prevent interference by contemporary light sources Fully digital audio processing guarantees a constant high audio quality The signal processing in the transmitter consists of the following main steps see figure 1 3 1 Code each analogue audio channel is converted to a digital signal the digital signals are compressed to increase the amount of information that can be distributed on each carrier compression ratio is related to required audio quality groups of up to 4 digital signals are combined into a digital information steam Extra redundancy information is added This information is used by the receivers for error detection and correction 2 Modulation a high frequency carrier signal is phase modulated with the digital information stream by DOPSK digital modulation tech
29. d Language Distribution 8 3 Radiators and Accessories This chapter describes the physical electrical and optical characteristics of the radiator Televic Conference Systems Installation and User Manual 8 3 1 Radiators Aladdin RAD25 Physical Characteristics Mounting Suspension bracket for direct ceiling mounting Mounting plates for floor stands Wall Mounting Bracket HCS 826TBK can be used for fixing radiator to wall surfaces Dimensions HxWxD without bracket a a Weight 5 kg without bracket Color White Electrical and Optical Characteristics Angle of half intensity t22 nominal 1Vpp HF input minimal 10 mVpp 50 Ohm HF output 1 Vpp 6 VDC 50 Ohm Mains voltage 110 220 V 50 to 60 Hz Power consumption 75 W Power consumption standby aan 8 3 2 Wall Mounting Bracket Physical Characteristics Dimensions HxWxD 200x285x203 mm Weight 1 55 kg Color White 2011 09 01 66 Aladdin Digital Infrared Language Distribution 8 4 Receivers Headphones Battery Packs Charging Case This chapter describes the physical electrical and optical characteristics for the receivers headphones rechargeable battery and the charging Case Televic Conference Systems Installation and User Manual 8 4 1 Physical Characteristics Dimensions HxWxD Weight excl batteries battery pack Weight incl batteries battery pack Color Receivers Aladdin R8 155x46
30. diator fault or malfunction Warning Always make sure 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 overheating Televic Conference Systems Installation and User Manual 3 3 1 Mounting on a Floor Stand Fix the bracket of the radiator into the top of the floor stand with screw The bracket is supplied with both metric and inch screw plate and is compatible with most stand floor stands Radiation angle adjustor pi ili i iom Bolts as accessories for fixing General Tripod stand portable floor mounting Figure 3 9 Mounting on a floor stand 2011 09 01 42 Aladdin Digital Infrared Language Distribution 3 3 2 Wall Mounting A separate bracket is optional for wall mounting refer to Figure 3 10 The bracket can be fixed on to the wall by 4 screws Figure 3 10 mounting bracket Radiation angle adjustor Bolts as accessories for fixing M8 Bolts are fixed in the wall or on the ceiling s n N Bracket optional Figure 3 11 Wall mounting 1 Bracket _ optional Figure 3 12 Wall mounting 2 Televic Conference Systems 2011 09 01 Installation and User Manual 3 3 3 Ceiling Mounting The radiator can be fixed to the ceiling by using the built in bracket Please make sure to have enough space for a proper air flow around the radiator
31. ds 37 Position PIalniliP user ane siot oes adea UNE P Sera On Urs s non S Oi nE o Due e SPUISVNSU dI Un UU SE EUN EEyNIE 39 Rectangular Footprints ccccsscccccsseccccssccccesscccsenecccseuseessuecesseueeessauseessuscesseuscessueseeseuecesseneeessesessanees 39 Plan hatt ONS oenen a nudae nitent epo vdd E M Gd MM end MES E 40 ac Q 41 MOUNTINE TETTE 42 Mounting on a Floor Stand cccccssccccssssccceeccccesceceeneecseuececseecesaueeccseucesseseessusesseuscessenseessueeeesaaees 42 WY UNIO UN TL Mo T 43 SVMS IVIBHEREIBIB E acre AE E sire e E A sepia caine A E E E E 43 Mounting on Horizontal Surface Em m a a e n a ii 43 Connecting to Transmitter sessesseesoescescoescsesceesoescescoescoesceecoesceesoescoescoscsesceeseeccesseessees 44 Output Power Selection sessssesessesessesesssoesosossosossosoesssoesssosssssesssoscsssesssoesssossssossssoese 44 Setting the Radiator Delay Switches ccscscsssscscsseccccscsceccccscscescccecscscescecscsceseececces 45 System WEN ONE IANS IAN EEGT cactus Rub Uti aorta tentat Ken Oportet edet DbX IM Cep IRI MERE nvi dM 45 System with Two or More Transmitters in One ROOM sccccesecccescccesecceeceeeeceeenceceneeseecteeceseuceneues 48 Digital Infrared Receiver 5 nouis ou pXa E s P Rx ME VASEREPUFSaENU FAN RR A PSUVNI VEU ERR UNS SM nU INNEN REN NIUDIV UE 51 GTI eT T
32. el O 600060 me bo AUDIO Master D 254 D MON COR T oo la oo0oo A m SC kh i kh ab Radiator Figure 2 7 Transmitter connected to another transmitter in bypass mode 2011 09 01 24 Aladdin Digital Infrared Language Distribution B Combination master slave mode Aladdin T8 s unique merging function can combine two N channels transmitters as one 2N channels system maximum 16 channels It can be achieved by setting the transmitter which is connected to radiator s to Master mode and the other transmitter to slave mode One of the 4 radiator outputs of the slave transmitter is connected with an RG 58 cable to the radiator signal loop through input of the master transmitter and the EXTENSION interfaces of both transmitters must be connected by a cable Transmitters should be set to Master and Slave separately Master ERE 9960 QQ 999 3 eeee TO LA JI E il See Radiator Figure 2 8 Transmitter connected to another transmitter in merging mode Connection explanation If 2 transmitters are operated in merging mode the EXTENSION interfaces of both transmitters must be connected by a cable according to Figure 2 9 This cabling is additionally required to the cabling shown in Figure 2 8 Figure 2 9 Wiring connection of the main unit in merging mode Televic Conference Systems 2011 09 01 Installation and User Manual When a slave transmitter is
33. emale XLR connectors for external audio inputs to connect auxiliary balanced audio signals such as music floor language or emergency audio signal Installation and User Manual 2 2 Installation Transmitter can be fixed in a standard 19 inch cabinet The transmitter is equipped with a pair of fixing brackets 1 First unscrew the lateral screws 2 from the housing Then fasten the brackets with these screws and put the CMU in the cabinet Finally fix the four holes 3 up with screws Figure 2 3a Installation of transmitter In addition 1U metal stripes are included to be installed between the transmitters in the cabinet This can be used for the ventilation and the cooling off the transmitter Fix up the four holes 3 with Screws Or C Figure 2 4b Installation of transmitter 2011 09 01 22 Aladdin Digital Infrared Language Distribution 2 3 Connection Typical system connection includes connection to Televic conference system toexternal audio sources to emergency signal switch toanother transmitter Installation and User Manual 2 3 1 To Televic Conference System The Aladdin T8 infrared transmitter can be connected to the Televic central units Confidea CU and CPU5500 directly or via an AOP5500 9 or AOP2500 respectively Ed 62 PR amp a 2 3 2 To External Audio Sources Aladdin T8 transmitter has 8 channels audio inputs for connecting to external unba
34. ext paragraph The higher the value the better the signal Testing all Positions and Directions Walk around the conference venue under the test mode of the transmitter or the receiver test every position where the signal must be received If an area is detected as having bad reception or even no reception at all two main causes should be taking into consideration Bad coverage The receiver cannot pick up adequate infrared radiation This may be because the tested position is out of the footprint of the installed radiators or the radiation is blocked by obstacles such as a column an overhanging balcony or other large objects Televic Conference Systems Installation and User Manual Check whether you used the correct footprints for the system design or not Check if the radiators used have a sufficient output power and b are not switched to half power operation by mistake If bad reception is caused by a blocked radiation path try to remove the blocking obstacle or add an extra radiator to cover the shaded area with more IR energy Black spots IR signals coming from two radiators may cancel out each other multipath effect when reaching the receiver Bad reception only happens on some special path Multipath effect is confirmed being the cause of bad reception if the bad signal received by the receiver is improving the instant a radiator is a changing its direction b shaded off or simply switched off IR
35. gure 3 1 Radiator front Power indicator Temperature protection indicator Input signal indicator Fault indicator OV a e DA c Infrared emission area Televic Conference Systems 2011 09 01 37 Aladdin Digital Infrared Language Distribution Installation and User Manual Aladdin RAD25 Rear View Aladdin RAD25 Side View Figure 3 2 Radiator rear Output power switch Signal input Synchronous output interface Figure 3 3 Radiator side view Power supply Angle adjust handle 135 10 gear 1 Delay compensation indicator Bracket po xe ae ue Dv Delay compensation switch Televic Conference Systems 2011 09 01 38 Aladdin Digital Infrared Language Distribution 3 2 Position Planning For position planning please read section 1 3 to understand and consider every aspect of infrared distribution Installation and User Manual 3 2 1 Rectangular Footprints To determine the optimal number of infrared radiators needed to have complete coverage of a conference venue can only be done by performing a site test However estimation can be done by guaranteed rectangular footprints see Figure 3 4 and Figure 3 5 The rectangular footprint is smaller than the actual footprint Figure 3 5 shows a negative offset X because the radiator is actually mounted beyond the horizontal point at which the rectangular footprint starts Figure 3 4 A typical rectangular footprint for a mounting angle
36. iator can be switched to half power output This is usually done when full power output is not needed e g when a portable system is used in a small venue Switch a radiator to half power if an adequate airflow cannot be guaranteed e g if the radiator is mounted on the top of an interpreter booth Reduce the power as often as possible to save energy and to increase the lifetime of the radiator 2011 09 01 44 Aladdin Digital Infrared Language Distribution 3 6 Setting the Radiator Delay Switches As described in section 1 3 6 signals picked up by the receiver from two or more radiators can cause black spots due to delay differences Signal delays reasons Cable signal delay caused by the cable transporting the signal from the transmitter to the radiator Radiation signal delay caused by the air transporting the signal from the radiator to the receiver Transmitter signal delay caused if two or more transmitters are used in a Bypass configuration To compensate the signal delay differences the delay of each radiator can be increased Signal delays can be set with the delay switch situated at the side of the radiator Aladdin T8 transmitter has a digital display showing the current compensation value The switch can be adjusted from 00 00 means no compensation to 99 Compensation time is calculated by multiplying 25 ns with the switch set value Thus compensation time varies between 25ns and 2
37. just current channel name selectable language name refer to section 8 7 Network Carrier Carrier 0 2 3333M Audio in 0 Input sen Aux input Other IKere Mo RHlicelanc Ml ST Ee aN ee 2011 09 01 31 Aladdin Digital Infrared Language Distribution 2 5 4 Input Sensitivity Input sensitivity includes 2 submenus 2 A gt Per Input Network Carrier Ch Name Set sensitivity of the inputs Aux input Other Per input gt All adjust all channel input sensitivity e Use gt button to adjust input sensitivity for all channels Range from 12 dBV 12 dBV Max level of all audio inputs 0 dBV Se peg eB MENU a EXIT gt Per Input adjust each channel input sensitivity separately e Use MENU button to switch channel number e Use G c button to adjust input sensitivity for each channel Range from 12 dBV 12 dBV Televic Conference Systems Installation and User Manual 2 5 5 Aux Input Aux Input Auxiliary audio input includes 3 submenus gt Aux Input Type gt Sensitivity gt Play Music Network Carrier Ch Name Input sen Other Aux In type HSE EWA ES gt Aux Input Type e Use amp 3 c button to select auxiliary input type between Stereo Music or Mono Emergency Set Aux Input type Stereo music Mono Emergency EHE NUS NH o MENU 1 Stereo Music If Play music stereo music f
38. l The lightning flash with an AN Caution A arrowhead symbol with an equilateral triangle is intended to To reduce the risk of electric shock alert the user to the presence of DO NOT open covers no useable uninsulated dangerous voltage serviceable parts inside within the products enclosure that Refer servicing to qualified service may be of sufficient magnitude to personnel only constitute a risk of electric shock to persons This label appears on the rear of the unit due to space limitations The exclamation mark inside an equilateral triangle is intended to alert the user to the presence of important operating and maintenance servicing instructions in the literature accompanying the appliance AN Caution To prevent fire or shock hazard DO NOT expose units to rain or moisture Attention Installation should be performed by qualified service personnel only in accordance with the National Electrical or applicable local codes Power Disconnect Units with or without ON OFF switch have power supplied to the unit whenever the power cord is inserted into the power source however the unit is operational only when the ON OFF switch is in the ON position The power cord is the main power disconnect for all units Televic Conference Systems 2011 09 01 5 Aladdin Digital Infrared Language Distribution Installation and User Manual Content 1 1 1 2 1 2 1 1 2
39. lanced audio sources such as other brand conference systems or for music distribution DVD Figure 2 5 Transmitter connected to external audio sources Televic Conference Systems 2011 09 01 23 Aladdin Digital Infrared Language Distribution 2 3 3 To Emergency Signal Switch To use the emergency function fire alarm linked trigger interface 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 and overriding all other audio inputs ALARM will be displayed at this moment Figure 2 6 Transmitter connected to emergency signal switch Televic Conference Systems Installation and User Manual 2 3 4 To Another Transmitter B Bypass master bypass mode The transmitter can be operated in bypass mode to loop through the IR radiator signals from another transmitter Multi room application can be achieved by setting the transmitter in the main room to Master mode and the transmitters in other rooms to Bypass mode One of the 4 radiator outputs of the master transmitter is connected with an RG 58 cable to the radiator signal loop through input of the bypass transmitter see Figure 2 7 The 2 transmitters should be set to Master and Bypass respectively see section 2 5 6 AUDIO Slave m bbs 9 F QQ GO00 u
40. lder make sure the label This side up is up Step 2 Unscrew the battery cover from the receiver with the screw driver Step 6 Press the upper part of the battery pack into Step 3 Three cables from rechargeable battery the battery holder pack are terminated with a mechanically coded connector Alkaline battery plates T Ru df A Televic Conference Systems 2011 09 01 57 Aladdin Digital Infrared Language Distribution Installation and User Manual Step 7 Put the three cables on the space of the left side of the battery holder Note Make sure these three cables are not clamped by the alkaline battery plates and the upper part of the battery pack Step 8 Put the battery cover on the battery holder Step 9 Re screw the cover then the battery pack is assembled Televic Conference Systems 2011 09 01 58 Aladdin Digital Infrared Language Distribution 6 Charging Case This chapter describes the Aladdin CHC60 charging case It gives an overview of the charging case and the charging procedure Installation and User Manual 6 1 Overview The Aladdin CHC60 charging case can charge up to 60 receivers at once It uses universal power supply with automatic voltage matching There is a charging indicator on the receiver The charging circuit will check if the battery pack is present and control the charging process Note The charging case is only used to charge an Aladdi
41. llation and User Manual 8 3 1 8 3 2 8 4 8 4 1 8 4 2 8 4 3 8 4 4 8 5 8 5 1 8 5 2 8 5 3 8 5 4 8 6 8 7 Radiators Aladdin RAD25 ccccscccsssssrccvscvearcercavsarcancaucareancaucarsaucaucaucancaucarsansaucarsansausarsansansarsenpans 66 Wal Mounting ONC ciues Ure Ema sae visi m DU IPM UI OM civ EIU c ee mda USA camis PN UEM DUAE 66 Receivers Headphones Battery Packs Charging Case eere nen 67 Receivers Aladdin R8 wsosenciatnacsecntncessantmecasduteaensttebancenstedanenstsisnaseacudaaansinbuas m FHEpd t MAU SU EUMD UIN DI nd Pn DUNNE 67 FCA ID RI RICETTE TIT T TOS 68 Ni MH Rechargeable Battery Pack Aladdin BP cccccccccccssssssecceeeeceeeeseecceceeeeeeesseeceeseeaeeaeeeeceeeeeeeeees 68 Charging Case Aladdin CHC acm c 68 Connec chon Detail S earen E 69 IEDERE e c E E ER Ho T 69 AOO C INOS EMPTUM 69 FIC ACAD OIE iE E EEEE EE E E A 69 AEEA E AE E ME mm 69 Guaranteed Rectangular Footprint sssssossssossssossosossosossosossosossosessosessosessosessosessoseo 70 Display Language Eri t 71 Televic Conference Systems 2011 09 01 8 Aladdin Digital Infrared Language Distribution Installation and User Manual 1 Introduction This manual describes the Televic Aladdin system language distribution through digital Infrared It gives a summa
42. n 4 3 Testing the Coverage Area This chapter describes the testing of the coverage are and the reception test mode Installation and User Manual 4 3 1 Reception Test Mode The receivers can be switched to test mode to indicate the reception quality for each carrier To activate the test mode push the channel selector to the up position and press the power switch button A quality indication 00 99 will be displayed on LCD Larger value stands for better signal reception The test mode is deactivated when the receiver is switched off Televic Conference Systems 2011 09 01 54 Aladdin Digital Infrared Language Distribution 4 3 2 Testing the Coverage Area To make sure that the whole area is covered with adequate IR radiation and avoiding thus black spots an extended reception quality test should be done The test can be done in two ways Testing During Installation 1 Check that all radiators are connected and powered up 2 Set the transmitter in the Test mode see section 2 3 6 For each channel a test tone frequency will be transmitted 3 Seta receiver to the highest available channel and listen to the received signal through the headphones 4 Test all positions and directions see next paragraph Testing During a Meeting 1 Seta receiver in the Test mode The quality of the received carrier signal is indicated on the display of the receiver 2 Test all positions and directions see n
43. n Digital Infrared Language Distribution 2 Digital Infrared Transmitter This chapter describes the Aladdin T8 digital infrared transmitter It gives an overview of the transmitter with a front and rear view It describes the installation with mounting brackets and gives an overview of the typical system configurations The menu and submenus are given in a tree structure and there is an explanation on how to use the menus Televic Conference Systems Installation and User Manual 2 1 Overview Aladdin T8 can be connected to the Televics conference central units CPU5500 and Confdea CU directly or via an AOP5500 9 or AOP2500 respectively Via these central units it can be connected to other discussion and voting units or interpretation desks It can also be used as a stand alone system for distributing external signals Aladdin T8 is suitable for either tabletop or 19 inch rack mounting using Four feet for tabletop and two brackets for rack mounting are supplied The following describes the front view of the AladdinT8 infrared transmitter 9 So UH L 2 Y uf nH W Figure 2 1 Transmitter front view Figure 2 1 Power switch with indicator red 2 MENU button a Under current state press MENU button to go to main menu b Under main menu press MENU go to sub menu c Select Deselect in network configuration lt Left button c Right button Exit button Moni
44. n R8 receiver with an Aladdin BP battery pack Please do not charge other receiver types with an Aladdin CHC or charge an Aladdin R8 with another charging unit 6 2 View The Aladdin CHC charging case looks like this Figure 6 1 Charging case 1 Power switch 2 Power input 3 Charging lattice Televic Conference Systems 2011 09 01 59 Aladdin Digital Infrared Language Distribution Installation and User Manual 6 3 Charging Procedure 9 Note Pull out headphone before charging The charging procedure goes as follows receiver 1 Connect power core Switch on 2 Switch on the charger before inserting 3 Insert receiver 4 ie receiver Inserting and removing Receiver charging indicator lights up LED Status Charging Status pon Charging completed receiver when the charger is powered on will not damage the receiver To maintain the service life of Ni MH battery please charge it for 24 hours before first service until charging Blinking Charging off Charger power of or receiver not inserted properly indicator keeps lighting The charger supplies fast charge during the first 10 minutes after inserting the receiver So please do not frequently insert and remove receiver to protect the battery pack Continuously charging will not damage the receiver or the battery pack It will result in low battery and may damage the battery pack if the battery pack is not used for a long
45. nique Filter 4 Magnify Radiation up to 2 modulated carrier signals are combined and sent to the IR radiators which convert the carrier signals to modulated infrared light In the IR receivers a reverse processing is used to convert the modulated infrared light to separate digital audio channels Televic Conference Systems 2011 09 01 Installation and User Manual c Digital infrared receiver schematic Figure 1 3 Overview of the signal processing 12 Aladdin Digital Infrared Language Distribution 1 2 4 Audio Quality Modes Aladdin can transmit audio in 4 different quality modes Mono standard quality maximum 8 channels Mono perfect quality maximum 4 channels Stereo standard quality maximum 4 channels Stereo perfect quality maximum 2 channels The standard quality mode uses less bandwidth and is used for transmitting speech The perfect quality mode gives near CD quality and is used for transmitting music Allocation Installation and User Manual 1 2 5 Carriers and Channels Aladdin is transmitting within the 2 6 MHz frequency band IEC 61603 BAND see Figure 1 4 It can transmit 2 different carrier signals Figure 1 5 shows the wideband allocation of Band IV Each carrier can carry up to 4 audio channels The exact number of channels per carrier depends on the selected quality modes Stereo signals use twice as much bandwidth as mono signals perfect quality
46. o go to channel number configuration as shown in figure below e Use G c button to increase or decrease channel number The exact channel number depends on the audio quality see 1 2 5 e Use MENU button to save channel number setting Number of Ch s in carrier O Number of Ch s in slave carrier 4 Master mode menu Slave mode menu 3 Audio Quality Setting e Goto audio quality setting interface e Press MENU button to switch channel number in the case of more than one channel Audio input indicates current channel corresponding Aladdin T8 transmitter audio input channel e After having selected channel number s use lt gt to adjust audio quality Audio mode includes Standard MONO gt Perfect MONO gt Standard STEREO gt Perfect STEREO Selectable audio quality depends on channel number refer to section 1 2 5 Master mode menu Slave mode menu Televic Conference Systems Master mode menu Slave mode menu 2011 09 01 30 Aladdin Digital Infrared Language Distribution 4 Save Settings e Use MENU button to save setting e Goto next carrier configuration e Repeat above until all carriers have been set up Televic Conference Systems Installation and User Manual 2 5 3 Channel Name Assign a language name for every channel e Use MENU button to switch channel number e Use gt button to ad
47. onference Systems 2011 09 01 51 Aladdin Digital Infrared Language Distribution Installation and User Manual 7 Volume control An up down switch to adjust the volume the volume will be displayed on LCD Screw to fix the battery cover Battery pack or disposable batteries sev When the receiver is not used please disconnect the headphone This ensures that the receiver is totally switched off and no energy is consumed from the batteries or the battery pack Televic Conference Systems 2011 09 01 52 Aladdin Digital Infrared Language Distribution 4 2 Operation The receiver only works if an headphone is connected and the receiver switches to stand by state Push shortly on the power switch button to switch on the receiver The channel number is shown on the LCD The channel can be changed with the channel selector Channel number is in accordance with the channel configuration set up in the transmitter see section 2 5 2 When working battery icon and antenna icon will be displayed on LCD to indicate current battery and signal status A battery symbol cL L1 is visible on the display when the batteries or the battery pack is almost empty and needs recharging but it still might work for 7 8 hours When the signal is interrupted for a short time the receiver mutes the headphones output If the IR receiver does not get an adequate IR signal for more than 1 minute e g when a delegate leaves the conference room
48. overage with the radiators at the intended positions If not add additional radiators See Figure 1 12 and Figure 1 13 for examples of a radiator layout 2011 09 01 40 Aladdin Digital Infrared Language Distribution 3 2 3 Cabling Signal delay differences can occur because of the differences in the cable length from the transmitter to each radiator In order to avoid the risk of black spots see section 1 3 6 use equal cable length from transmitter to radiator if possible see Figure 3 7 Figure 3 7 Radiators with equal cable length If radiators are loop through the cabling between each radiator and the transmitter should be as symmetrical as possible see Figure 3 8 The differences in cable signal delays can be compensated with the signal delay compensation switches on the radiators Televic Conference Systems Installation and User Manual Boooood Transmitter Figure 3 8 Symmetrical arrangement of radiator cabling 2011 09 01 41 Aladdin Digital Infrared Language Distribution 3 3 Mounting The radiator can be permanently installed on the wall under a ceiling or balcony by bracket The mounting angle can be adjusted for optimal coverage through angle adjust handle A separate bracket is optional for wall mounting and a floor stand can be used for non permanent installation When in operation the radiators may feel warm It is normal and does not indicate a ra
49. rom 2 channels auxiliary audio input will be distributed to all output channels usually for playing music when adjournment 2 Mono Emergency Once the alarm signal turned on emergency signal from Aux R audio input will be distributed to all output channels on the premise that fire alarm linked trigger interface is closed see section 2 2 3 gt Sensitivity e Use gt button to adjust auxiliary input level range from 6 dBV 18 dBV Max level of Aux in Aux In type Play Music 18 dBV 2011 09 01 32 Aladdin Digital Infrared Language Distribution Installation and User Manual gt Play Music 2 5 6 Other e If Aux input type is Stereo music stereo or mono music from auxiliary audio input will be distributed to all output channels MUSIC will Other includes 5 submenus be displayed at this moment e Use MENU button to stop and exit Playing music Stop Aux In type Sen Play Music When a slave transmitter is connected to a master channel input sensitivities of the slave are different then the input sensitivities of the master and therefore have to be set Televic Conference Systems EN NE E NEN Ek S NN Working Mode gt Language gt Test gt Int Unit gt About Work Mode REI ETE lest gt Working Mode e Use gt button to switch between Master Slave and Bypass e Use MENU button
50. roviders of reliable interaction Aladdin Digital Infrared Language Distribution Installation and User Manual Aladdin Digital Infrared Language Distribution Installation and User Manual History Date Veson changes itor 13 02 09 V1 01 First edition of the manual evo 21 08 09 V1 02 Changes EV Chapter 5 Assembly Instructions for the Battery Pack of the Receiver Change earphone to headphone Added ventilation plate in the transmitter installation Added extra information about the master slave combination if using 2 transmitters Checking section references 28 10 10 V1 05 Adapted chapter for charging case 11 03 2011 V1 06 Chapter 2 added notes concerning carrier and inputsensitivity DIV settings of slave transmitters Chapter 4 Added note concerning use of Ni MH rechargeable battery packs other then Aladdin EV 25 09 09 V1 03 Deleted erroneous tags 01 09 2011 V1 07 TCS2500 amp Confidea Remark e All rights reserved for translation reprint or reproduction Contents may change without prior announcement e All technical specifications are guideline data and no guaranteed features E We are not responsible for any damage caused by improper use of this manual The equipment must be connected to earth e This product is conform to the rules of the following European directive 2004 108 EC e To protect your hearing avoid high pressure level on headphones Adjust to a lower and convenient level e If any detailed
51. ry about the Aladdin series It describes the system technology and gives the aspects of infrared distribution Televic Conference Systems 2011 09 01 9 Aladdin Digital Infrared Language Distribution 1 1 Summary Aladdin is a digital infrared language distribution system It uses both digital infrared audio transmitting and control technique dirATC and a special digital infrared chip Aladdin can be used in simultaneous interpretation systems for multi language conferences In simultaneous interpretation systems the interpreter translates the speaker s speech the translated audio transmits through the conference venue by modulated infrared radiation and the delegates listen to desired language by infrared receiver via headphone The system can also be used for other audio signal distribution occasions such as music distribution mono as well as stereo The Aladdin series is compliant to IEC 61603 7 Transmission of audio and or video and related signals using infra red radiation Part 7 Transmission system for digital audio signals for conference and similar applications and IEC 60914 Conference systems Electrical and audio requirements Moreover it is compatible with other IR systems compliant to IEC 61603 7 Parts of IEC 61603 are used in this manual for a better understanding of both theory and technique of the system T X C Po So Figure 1 1 System overview Televic Conference Systems
52. time Please fully charge the battery for every three months Please check the battery pack regularly every 3 years whether the battery pack is leaking or not If any leakage or corrosion is founded please replace the battery pack Please use Aladdin BP only The battery pack should be replaced at least every 5 years Televic Conference Systems 2011 09 01 60 Aladdin Digital Infrared Language Distribution Installation and User Manual 7 Fault Diagnosis Some simple trouble shooting instructions are provided in this chapter If more serious faults arise please contact qualified technician Transmitter display does not light lt Confirm that transmitter power cord is connected correctly and up the power is switched on Emergency does not work lt Confirm that the emergency is connected correctly lt Confirm that Playing music is stopped Radiator power light does not lt Confirm that radiator power cord is connected correctly light up Radiator input indicator does not lt Confirm that the radiator input output cable is connected light up correctly lt If dry batteries are used please make sure that the batteries have sufficient capacity and are assembled properly lt If rechargeable batteries are used please make sure that the batteries are fully charged lt Confirm that headphone is connected correctly lt Switch on the receiver and confirm that channel indicator works properly Recei
53. to confirm Set work mode SEW ver Transmitter needs to restart to implement working mode configuration Language e Use lt gt button to switch between fay A X REAR X German and English e Use MENU button to confirm Work Mode Test E English Int Unit About ae NUN NUN Q jo er MENU 2011 09 01 33 Aladdin Digital Infrared Language Distribution gt Test Transmitter goes to test mode and testing tone will be distributed to all output channels e Use MENU button or EXIT button to stop test mode Work mode Language Using testing audio signal Int Unit Stop gt Int Unit This menu is not used About Transmitter firmware information will be displayed including version TELEVIC information and product series number Use any button to exit Work Mode Language Testing televic ver 1 22 Int Unit www televic com Ser td4c3948d2 Televic Conference Systems 2011 09 01 Installation and User Manual 34 Aladdin Digital Infrared Language Distribution 2 6 Monitor For testing the transmitter the front panel has a monitoring facility including a monitor channel selector a monitor headphone jack and a monitor volume control refer to fig 2 1 Monitor channel will only work if the transmitter is working Plug the headphone into the monitor headphone jack select monitor channel with the monitor channel selector
54. tor channel select knob jt o9 OS m cu Monitor headphone interface 3 5 mm jack for stereo monitor headphone Monitor volume control knob 9 Mini IR radiator 4 IREDs transmitting the same infrared signal as the radiator output for monitor purpose 10 Display 256x32 LCD Display the status of the transmitter and the menu of system 2011 09 01 21 Aladdin Digital Infrared Language Distribution configuration The following describes the rear view of the Aladdin T8 infrared transmitter rs Figure 2 2 Transmitter rear view Figure 2 2 11 12 13 14 15 16 17 18 19 Televic Conference Systems HF signal output 4 BNC connectors for output HF signal to radiator To each connector up to 30 radiators can be connected HF signal input 1 BNC connector for receiving HF signal from other transmitter RS 232 Extension interface see merging mode Fire alarm linked trigger interface When this switch is closed the emergency audio signal on the Aux R input is distributed to all output channels and overriding all other audio inputs Ethernet TCP IP protocol was adopted for communication between main unit and computer Remote control even wireless touch screen control can be achieved via Ethernet interface Power supply AC 110V 240V Audio signal input 8 audio connectors to connect external unbalanced audio input signals Auxiliary audio input 2 f
55. tter Table 3 2 3 Add the master to bypass signal delay to each radiator connected to the bypass transmitter in Hall 2 4 Determine the maximum signal delay Figure 3 16 Table 3 2 and Table 3 3 illustrate the calculation of the extra master bypass signal delay Hall 1 Hall 2 XS 5E Transmitter 1 M Transmitter 2 S Figure 3 16 System with master and bypass transmitter in multipurpose room Televic Conference Systems 2011 09 01 48 Aladdin Digital Infrared Language Distribution Installation and User Manual Table 3 2 Calculation of the master bypass signal delay Master bypass transmitter Cable signal delay Master bypass cable length per meter signal delay m ns m ns Table 3 3 Calculation of the delay switch positions of a system with two transmitters Cable length Master Radiator to bypass Total signal Signal delay Delay switch number Transmitter transmitter signal delay delay difference position m ns ns ns 50 5 6 Hall 1 T1 Master 04280 280 560 280 280 290 25 11 2 280 11 30 5 6 Hall 1 T2 Master 04168 168 560 168 392 22 25 15 68 168 26 40 5 6 Hall 1 T3 Master 04224 224 560 224 336 336 25 13 44 224 13 10 5 6 Hall 1 T4 Master 2305 0 112 112 448 25 217 92 z 18 280 z 11 The maximum signal delay is 560 ns 30 5 6 168 40 5 6 224 10 5 6 112 50 5 6 280 30 5 6 168 56 2 24 2804112 39
56. ver does not work properly lt Make sure that the receiver picks up sufficient IR signal and check the antenna signal intensity indicator lt Check the receiver by taking it in front of the mini radiator of the transmitter front panel lt Make sure that the volume is turned up lt Set the transmitter to test mode and check if the test tone is audible from the receiver lt Ifall receivers do not work properly at this spot testing the coverage area Receiver sound with distortion lt Adjust the distance between receiver and radiator commonly needs to be over 5 meters lt Adjust the receiving distance lt Adjust the receiving direction lt Switch radiator to full output lt Confirm that the charging case is working under proper conditions see technical data lt Confirm that the receiver battery pack is connected correctly lt Confirm that the receiver is at normal temperature lt Ifthe charging indicator still does not light up please replace the battery pack Receiver discharges quickly lt Replace the rechargeable battery Bad signal coverage effect lt Testing the coverage area Receiver sound with noise The charging indicator of the receiver does not light up Televic Conference Systems 2011 09 01 61 Aladdin Digital Infrared Language Distribution 8 Technical Data This section describes the specifications of the full system infrared transmitter radiator receiver headphones
57. wards a radiator To minimize the disadvantage of this aspect Aladdin R8 receiver adopts an ingenious structural design with peculiar 270 ultra wide angle to get perfect IR capture and sound quality at any disposition see Figure 1 8 Figure 1 8 Directional characteristics of the receivers 2011 09 01 16 Aladdin Digital Infrared Language Distribution 1 3 4 The Footprint of the Radiator The number of transmitted carriers and the output power of the radiator determine the coverage area of a radiator The total radiation energy of a radiator is distributed over transmitted carriers The coverage area becomes proportionally smaller if more carriers are used The receiver requires a strength of the IR signal of 4 mW m per carrier to work well resulting in an 80 dB S N ratio for uninterrupted audio channels The footprint is designed by the cross section of the 3 dimensional radiation with the reception level of participants the dark grey area in Figure 1 9 to Figure 1 11 In this area the direct signal is strong enough to ensure proper reception when the receiver is directed towards the radiator The size and position of the footprint depends on the mounting height and the angle of the radiator Televic Conference Systems Installation and User Manual Figure 1 9 The radiator mounted at 15 to the ceiling a Figure 1 10 The radiator mounted at 30 to the ceiling Figure 1
58. x24 mm 80g 135g Black Electrical and Optical Characteristics IR irradiance level Angle of sensitivity Headphone output level at 2 4V Headphone output freq Range Headphone output impedance Max signal to noise ratio Supply voltage Power consumption normal at 2 4 V Power consumption unplugged headphone jack Battery life 2xAA alkaline cells Battery life Rechargeable battery pack 2011 09 01 4 mW m per carrier 270 450 mVrms speech at maximum volume 32 Ohm headphone 20 Hz to 20 kHz 32 Ohm to 2 kOhm 80 dB A 1 8 to 3 6 V nominal 2 4 V 38 mA 32 Ohm headphone O mA 67 Aladdin Digital Infrared Language Distribution Installation and User Manual 8 4 2 Headphones 8 4 4 Charging Case Aladdin CHC TEL 151 headphone Physical Characteristics e Used with the receiver conference unit Dimensions HxWxD 516x386x240 mm e Hi Fi sound quality e 150 Ohm 3 5 mm mono jack e Single steel core cable Color Silver Weight 12 3 kg TEL 200 headphone Electrical Characteristics e Used with the receiver conference unit v Mains voltage AC110 220V e Hi Fi sound quality 270 W e 150 Ohm 3 5 mm stereo jack Power consumption 48 receivers charging 7W Power consumption 8 4 3 Ni MH Rechargeable Battery standby no receivers in charging unit Pack Aladdin BP Physical Characteristics Dimensions HxWxD 49x29x
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