Product program / System Microphone / Conference

TS-771

The specified chairman unit shall be small in size and light in weight to enable easy installation and storage. The dimensions shall be 114.5 (W) x 78.4 (H) x 152.9 (D) mm and the weight shall be 780g. The talk button shall allow the chairman to speak and disable the chairman unit’s internal speaker when activated, to prevent acoustic feedback. Deactivating the talk button shall disconnect the unit’s microphone from the speech path and turn on the internal speaker so as to allow the chairman to hear speech from the connected delegate units. The priority button shall be so designed as to disable all delegate units when pressed so that the chairman’s voice takes precedence and is allowed to go through. The delegate unit shall operate on 35V DC supplied from the central unit. The chairman unit shall be equipped with 1 headphone/recording output, 1 contact output and 1 internal speaker, as well as 1 talk button and 1 priority button that sounds a chime when activated and cuts off all delegate unit speakers. The microphone shall be optional and selectable from the standard type or long type. The operating temperature range shall be between 0&deg;C and +40&deg;C and the operating humidity shall be under 90 percent. The panel shall be made of ABS resin painted in mat metallic gray, while the case shall be made of ABS resin painted in black.
The chairman unit shall be a TOA TS-771 or approved equivalent.