TOA TS-920RC Central Unit (เครื่องจ่ายไฟและควบคุมไมค์ประชุมไร้สายแบบอินฟาเรดพร้อมบันทึก)
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TOA TS-920RC Central Unit (เครื่องจ่ายไฟและควบคุมไมค์ประชุมไร้สายแบบอินฟาเรดพร้อมบันทึก)
ยี่ห้อ : TOA
รุ่น : TS-920RC
The TS-920RC 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-920RC 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, and the voting function. The TS-920RC is also equipped with FBS (Feedback Suppression), enabling effective control of acoustic feedback. In addition the unit employs an MP3 recorder that makes it possible to record all conference contents to either a connected USB memory drive or internal memory.
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)
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: Base language channel: 1.95 MHz
Translation language channel: 2.25 MHz
Input
MIC 1 (Base Language): -60 dB (*2) , 600 Ω, unbalanced, φ6.3 mm phone jack (2P)
MIC 2 (Translation Language): -60 dB (*2) , 600 Ω, unbalanced, φ6.3 mm phone jack (2P)
AUX 1 (Base Language): -20 dB (*2) , 10 kΩ, unbalanced, φ6.3 mm phone jack (2P)
AUX 2 (Translation Language): -20 dB (*2) , 10 kΩ, unbalanced, φ6.3 mm phone jack (2P)
AUX 3 (Base and Translation Language): -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
192 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
Voting result indicators 1 - 3 (7-segment LED, 3 digits), Short-circuit 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), Recording status indicator, Format in-progress indicator, Access Indicator, Internal memory status indicator, USB memory status indicator, Remaining internal memory capacity warning indicator, Remaining USB memory capacity warning indicator
Record Switch
Recording start button, Recording stop button, Format button
Recording Ports
USB-A (for USB memory devices) and USB Mini-B (for PCs)
Recording Function
Recordings can be made to a USB memory device (*3) or the internal memory.
Recording format: MP3 (MPEG-1 Audio Layer-3), monaural
Sampling frequency: 32 kHz, Bit rate: 128 kbps
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 
