Features:
- Chairman unit for basic discussion
- Priority button
- 0.2W monitor speaker
- 2 headphone jacks with individual volume control
- Approx. 10 hours continuous operation with the use of optional rechargeable lithium-ion battery
The TS-821 is a Chairman unit of the Infrared Conference system. Since the system is cordless, it can be easily installed and removed. The Chairman unit features a priority speech key which allows it to take precedence over the TS-822 Delegate units when speaking. It can be operated on either the AD-0910 AC adapter or the BP-900A lithium-ion battery. It is equipped with a remaining battery indicator.
The Chairman Unit shall feature a priority speech key, which allows it to take precedence over the Delegate Unit when speaking. The Chairman Unit shall include a monitor speaker (8 ohms, 0.2 watts) and two of headphone mini jacks. The monitor speaker volume and two headphone outputs volume shall be adjustable. The Chairman Unit shall include an LED indicator, which shall provide a speech indicator, power indicator / low battery indicator and out of communication range indicator. Built-in DIP switch on its bottom shall enable the following settings: Priority operation setting, Priority chime mute setting, and Priority speech key operation setting.
For more information, please see 
Data Sheet and Manual
