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Central Unit

TS-820RC

The TS-820RC 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-820RC 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-820RC 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. 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.

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Specification
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: Audio channel: 1.95 MHz
Input 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), 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, Short-circuit 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
Operating Temperature 0 ℃ to +40 ℃ (32 ゜F to 104 ゜F)
Operating Humidity 90 %RH or less (no condensation)
Finish Panel: Surface-treated steel plate, black, 30 % gloss, paint
Weight 2.8 kg (6.17 lb)
Accessory AC adapter (Cord length: 1.8 m (5.91 ft) DC cord, and 2 m (6.56 ft) detachable AC cord)(*4) …1
Option Rack mounting bracket: MB-TS920
(*2) 0 dB = 1 V
(*3) A USB 2.0-compatible FAT32-formatted flash memory device of up to 32 GB in capacity can be used. There may be cases in which a USB flash drive cannot be used with the TS-820RC, depending on the drive's attributes or recording conditions.
(*4) Not supplied with the TS-820RC(-CN). For the usable power supply cord and AC adapter, contact your nearest TOA dealer.
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