TOA Electronics TS-921 Chairman Unit for Infrared Conference System

The TOA Electronics TS - 921 Chairman Unit is a key part of the Infrared Conference System. The TS - 920RC central unit offers easy installation and flexible layout. By connecting the TS - 905/907 IR Transmitter/Receiver, it controls the Chairman and Delegate Units via wireless infrared signals. It has an installation confirmation function to check connection status and a useful voting function. Equipped with FBS, it effectively controls acoustic feedback. The built - in MP3 recorder can save all conference contents to a connected USB memory drive or internal memory. The system can be PC - controlled. With an optional rack mounting bracket, it can fit into an EIA Standard equipment rack (4 unit size). Technical details: It runs on 100 - 240 V AC, 50/60 Hz with the supplied adapter, consuming 72 W. It has specific carrier frequencies for different channels, multiple input and output options, can connect up to 192 Chairman/Delegate Units and up to 4 (or more with a distributor) Infrared Transmitter/Receiver Units. It features various switches for recording, microphone settings, and FBS. It works well at up to 90% RH humidity. The panel is a surface - treated steel plate, black with 30% gloss paint, and weighs 2.8 kg (5.95 lb).

Using the TOA Electronics TS - 921 Chairman Unit is easy. First, connect the unit to a power source using the supplied AC adapter. Make sure the power source is within the 100 - 240 V AC, 50/60 Hz range. Then, connect the TS - 905/907 IR Transmitter/Receiver as needed. You can control the system from a PC. When it comes to recording, use the recording start and stop buttons. You can save recordings to a USB memory device or the internal memory. For microphone settings, use the number of open microphones setting switch and the mic - off setting switch to customize the audio. Regarding the FBS switch, you can choose AUTO, OFF, or EXT according to your needs. Remember, the unit should be used in an environment with humidity of 90% RH or less to avoid condensation. Keep the unit clean and free from dust. If you need to mount it, use the optional rack mounting bracket for an EIA Standard equipment rack.