TOA TS-820 เครื่องจ่ายไฟและควบคุมไมค์ชุดประชุมอินฟาเรด (Central Unit)
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TOA TS-820 เครื่องจ่ายไฟและควบคุมไมค์ชุดประชุมอินฟาเรด (Central Unit)
ยี่ห้อ : TOA
รุ่น : TS-820
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).
Power Source
100 - 240 V AC, 50/60 Hz (use of the supplied AC adapter)
Power Consumption
72 W
Current Consumption
Max. 3 A DC (when 24 V DC is supplied from the accessory AC adapter)
MIC: -60 dB (*2) , 600 Ω, unbalanced, φ6.3 mm phone jack (2P)
AUX: -20 dB (*2) , 10 kΩ, unbalanced, φ6.3 mm phone jack (2P)
Output
LINE: -10 dB (*2), 10 kΩ, unbalanced, φ6.3 mm phone jack (2P)
REC: -10 dB (*2), 10 kΩ, unbalanced, RCA pin jack
HEADPHONES: φ3.5 mm mini jack (3P:monaural)'
Equalizer Input/Output
Input: -20 dB (*2), 10 kΩ, unbalanced, RCA pin jack
Output: -20 dB (*2), 10 kΩ, unbalanced, RCA pin jack
Number of ConnectableChairman/Delegate Units
64 units
Number of Connectable Infrared Transmitter/Receiver Units
Up to 4 units (with the use of distributor, up to 16 units connectable
when they are all TS-905, and up to 12 units when they are all TS-907, or TS-905 and TS-907 are used in combination)
Infrared Transmitter/Receiver I/O Terminal
BNC jacks
External Control Connection Terminal
D-sub connector (9P, male)/USB-B selectable
LED Indicator
Audio signal receiving indicators 1 - 4 CH, Data signal receiving indicator, External control priority indicator, External control communication indicator, Battery indicator (flashes when a Chairman/Delegate unit's battery nears complete discharge), Short-circuit indicator
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, and last-in-first-out priority for all other subsequent units.)
FBS switch: AUTO/OFF/EXT
Wireless Conference - TOA 
