เครื่องควบคุมชุดประชุมแบบไร้สาย อินฟาเรด TOA TS-820 64 Unit สามารถควบคุมประธานและผู้ได้รับมอบหมายผ่านสัญญาณอินฟราเรดไร้สาย มาพร้อมกับ FBS (Feedback Suppression) จากยี่ห้อ TOA
TOA TS-820
Infrared Wireless Conference System
The TS-820 is a Central Unit of the Infrared Conference System that allows easy installation and flexible layout. By connecting TS-905/907 IR Transmitter/Receiver, TS-820 can control the Chairman and Delegate Units via wireless infrared signal. It features the installation confirmation function that allows the connection status of IR Transmitter/Receiver and Chairman/Delegate Units to be verified. The TS-820 is also equipped with FBS (Feedback Suppression), enabling effective control of acoustic feedback. The system can be controlled by PC (*1). With the use of an optional rack mounting bracket, it can be mounted in an EIA Standard equipment rack (4 unit size).(*1) Relevant control software is supplied on a custom-made basis.
Power Source | 100 – 240 V AC |
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Power Consumption | 72 W |
Current Consumption | Max. 3 A DC (when 24 V DC is supplied from the accessory AC adapter) |
Carrier Frequency | Reception: Audio channel 1: 7.35 MHz Audio channel 2: 8.10 MHz Audio channel 3: 8.55 MHz Audio channel 4: 9.15 MHz Control channel: 6.45 MHz Transmission: Audio channel: 1.95 MHz |
Input | MIC: -60 dB (*2) AUX: -20 dB (*2) |
Output | LINE: -10 dB (*2) REC: -10 dB (*2) HEADPHONES: φ3.5 mm mini jack (3P:monaural)” |
Equalizer Input/Output | Input: -20 dB (*2) Output: -20 dB (*2) |
Number of ConnectableChairman/Delegate Units | 64 units |
Number of Connectable Infrared Transmitter/Receiver Units | Up to 4 units (with the use of distributor when they are all TS-905 |
Infrared Transmitter/Receiver I/O Terminal | BNC jacks |
External Control Connection Terminal | D-sub connector (9P |
LED Indicator | Audio signal receiving indicators 1 – 4 CH |
Function Switch | Number of open microphones setting switch: 1/2/3/4 Mic-off setting switch: TIME OUT ON/OFF Speech priority selector switch: FIRST (First-in-first-out priority) LATEST (Last-in-first-out priority) FIRST:FIXED NEXT:LATEST (Priority fixed for the first unit FBS switch: AUTO/OFF/EXT |
Operating Temperature | 0 ℃ to +40 ℃ (32 ゜F to 104 ゜F) |
Operating Humidity | 90 %RH or less (no condensation) |
Finish | Panel: Surface-treated steel plate |
Weight | 2.7 kg (5.95 lb) |
Accessory | AC adapter (Cord length: 1.8 m (5.91 ft) DC cord |
Option | Rack mounting bracket: MB-TS920 |