IR Simultaneous Interpretation SystemIR simultaneous interpretation system is audio conference system aimed to provide interpretation for multi-language conference. Its operating principle is to use infrared transmission for language distribution and use infrared spectroscopy as carrier to transmit multiple translation language. It's the most normal transmission mode for wireless language distribution system in current market.
This system has been tested and improved, it's less noise, no inter-channel cross-talk, high fidelity, signal coverage wide, long receiving distance and stability, it is fond of users for its good quality.

1. IR Simultaneous Interpretation Main Unit ACS-SH604M/06M/08M/12M
IR simultaneous interpretation main unit is the core control device for system, can help to achieve the system's functions of setting, connection, control, information processing etc. Also with channel test function, be convenient for system adjustment.

1.1 Functional characteristics
1) Comply with international standards of IEC60914 and IEC61603;
2) Use 2-6MHz(IEC61603 BAND4)frequency, without interference of high frequency light source and wireless communication equipment;
3) High confidentiality, can avoid external malicious interference and eavesdrop;
4) Has two channels high-frequency signal output interface(BNC), each channel can connect unlimited quantity of IR radiator unit;
5) Has multiple sets of translation output channel can be used for recording;
6) Has multiple sets of voice input channel, can modulate 4/6/8/12languages at the same time;
7) Main unit with particular test function, different channel has respectively corresponding sound, be convenient for debugging;
8) Adopt advanced phase-locked loop technology, guarantee the stable transmission frequency of main unit, frequency stability 10PPM;
9) Has automatic level control function(ALC);
10) Has input level directive function, can directly shows the input level;
11) Can be installed in standard 19 inch cabinet;
12) Dimension: (W*H*D): 480mm*90mm*350mm;
13) Weight: 7.8Kg.
 
2. Interpreter Unit ACS-AT604/06/08/12
Interpreter is an indispensable part of the system, interpreter can use it for simultaneously translation to the presentation on the conference. Please connect interpreter to main unit directly, the translation will transfer to main unit, then it will be processed and send to receiver.
 1)Be able to simultaneous interpret 4/6/8/12(include the original channel) different languages at the same time;
2) LCD can display operation information, include input/output channel no, occupied and unoccupied channel no, etc;
3) Support direct interpret(FLOOR) and indirect interpret(RELAY), when the interpreter can't understand the original language, he can listen to other translation language(which can understand) of other interpreter and then translate again;
4) Support two interpreters take turns to translate by using one interpreter unit;
5) Interlocking function for the same channel, ensure the uniqueness of output channel;
6) Can preset 3 channels input language, with corresponding shortcut key(A/B/C);
7) With channel select button, rapidly select inputted language channel;
8) Has talking speed remind function(SLOW), to remind speaker slow down;
9) Has mute(cough voice restrain) function, press "MUTE" button can avoid unnecessary voice.
10) Electret cardioid microphone, with detachable microphone stem which has a ring of indicator light, be convenient for maintain;
11) Both side with earphone jack (3.5mm) and microphone interface(3.5mm), be used to connect headset and microphone;
12) Has microphone select function, can select microphone with stem, right microphone or left microphone to translate;
13) Both side with recording output interface (3.5mm), can connect recording equipment;
14) These units use 25P parallel interface (1 male head and 1 female head) cable for hand in hand connection.
 
2.2 Technical parameter
1) Language channel: 4/6/8/12;
2) Power supply: 24V, main control unit to supply power;
3) LCD parameter: 128×64 lattice LCD;
4) Pick up distance: 10-30CM;
5) Length of microphone: 45CM(standard configuration);
6) Audio input/output: MIC×2; REC unbalance×2;
7) Dimension(W×H×D): 250mm×162mm×63mm(not include microphone stem);
8) Weight: 1.6Kg (NW, not include microphone stem).
 
3. IR Receiver Unit ACS-AR604/06/08/12
The function of IR receiver unit is to receive IR voice signal, choose corresponding language channel, use with headset, can listen to interpreter voice of corresponding language.
 
3.1. Functional characteristics
1) Support simultaneous interpretation of 1+3, 1+5, 1+7, 1+11channel(1 is original channel);
2) Has CD acoustic quality, without channel interference;
3) Receiver with LCD display can show electric quantity, signal strength, channel select and so on;
4) Press button to select channel and volume control;
5) Information save function when power cut, restart the receiver can recover the previous channel;
6) In the valid area of infrared radiation signal, the quantity of receiver unit is unlimited, can be increase and decrease at anytime;
7) Receiver can automatically choose IR signal gain and enlarge receiving angle, to ensure receiving effect, be convenient for participants to walk freely in the valid area of infrared radiation signal;
8) Mute function when there is weak or no signal;
9) Adopt rechargeable 3.7V lithium ion battery, can continuous working for 20 hours;
10) Can use with against-the-ear earphone or headset.
 
3.2. Technical parameter
1) Frequency range: 2.0~6.0MHz;
2) Modulation system: FM/ super heterodyne PLL;
3) Encryption type: ray of light obstruct;
4) Battery parameter: 3.7V lithium ion battery;
5) Electricity consumption: 50mW;
6) Usage time: 20hours;
7) LCD parameter: 36.4mm×22mm;
8) Dimension(W*H*D): 55mm*162mm*29mm;
9) Weight: 0.12Kg;
10) Operating temperature: 0 to 50 degree centigrade;
11) Packing mode: Rechargeable aluminum portable package.
 
4. IR Radiator ACS-AH35
The function of IR radiator is to transmit IR signal, it is the middle transfer equipment of IR main unit and IR receiver.
 
4.1. Functional characteristics
1) Comply with international standards IEC60914 and IEC61603
2) Use 2-6MHz (IEC61603 BAND4) frequency, without interference of high frequency light source and wireless communication equipment.
3) Transmit power 35W(strong one)/17.5W(weak one), be convenient for customer to flexible use according to the square of conference room.
4) Ultra strong emissive power, barrier free transmit distance is 60m(35W)/40m(17.5W)
5) Can transmit 12 languages at the same time.
6) Multiple IR radiators connect by hand in hand type, be convenient for installation.
7) Many installation methods: angle adjustable fixed bracket or height adjustable tripod.
 
4.2. Technical parameter
1) Frequency range: 2.0~6.0MHz;
2) Modulation system: FM/ super heterodyne PLL;
3) Half value transmit angle: ±22°;
4) Radiation distance: barrier free transmit distance is 60m(35W)/40m(17.5W);
5) Operating temperature: 0~50 degree centigrade;
6) Weight: 3.3Kg;
7) Dimension(W*H*D): 447mm*232mm*92mm.
 
5. Charging Case ACS-CH42
This system's receivers use lithium ion battery to supply power, so need to equip with charge case. This charge case can charge for 42pcs of receiver at the same time, power management for each charge site is relatively independent, cut off when fully charged to ensure the safety.
 
5.1. Functional characteristics
1) Intelligent charge management;
2) Each charge case can charge for 42pcs of receiver at the same time;
3) Power management for each charge site is relatively independent, when the electric quantity of receiver drop to a certain range, the charge case automatically charge for receiver, and cut off when fully charged, effectively protect battery and ensure the safety of charge;
4) Each charge site has independent LED status indicator light;
5) Charge time: 10 hours;
6) Portable aluminium alloy charge case, be convenient to charge receivers, and as the package case for receivers, it is convenient for carry and transportation.
 
5.2. Technical parameter
1) Power supply: AC110V/220V;
2) Dimension (W×H×D): 640mm×220mm×365mm;
3) NW: 8.6 Kg.