The GONSIN Daya TL-VB4200 digital conference system offersa versatileconferencing solutionfeaturing microphone discussion,interactive voting,video tracking,digital recordingand software control.

Central Control Unit TL-ZB3

Features:

1. It is used for conference discussion, voting and video tracking.
2. It controls up to 60 conference units.
3. The system can be expandable to support 1,000 conference units.
4. It supports multiple chairman and vice-chairman units.
5.It has a built-in FSC for acoustic feedback prevention.
6. It offers built-in treble/bass compensation.
7.It is equipped with a built-in 4x1+1 video matrix switcher.
8. It has a built-in MIC IN audio input for wirelessmicrophone system.

Features ofDigital Conference System in Stand-alone Operation Mode
1. 1 to 4 delegate microphones can be active simultaneously.
2. It has a selectable operating mode: AUTO/FIFO/OPERATOR.
3. The systemsupports automatic video trackingwith a preset panorama position.

Extended Features of Digital Conference System under PC/Software Control
1. The softwareenables the operator to allow or reject a delegates request to talk.
2. The speaking time limit can be preset for conference units.
3. It offers Voting, Election, Quick Election, Evaluation.
4. It offers attendance registration using IC cards or REG key press.
5. The system offers conference audio recording and video recording.

Chairman Unit TL-VXB4200 and Delegate Unit TL-VDB4200

Thedelegateunit allows the delegate to speak, request to speak, listen to speech, register attendance and cast a vote. Each unit comes with headphone jack and volume control for delegates to listen to the floor speaker, and adjust volume level for comfortable listening. The built-in speaker automatically mutes when microphone is live. 1 to 4 delegate microphones can be active at the same time. The multiple chairman and vice-chairman units can be used in one system and can be active at any time regardless of the preset delegate Mic limit. The delegate unit can be configured as vice-chairman unit via software. The chairman unit has an additional priority button to override all delegate units to control the conference.

Features
1.It is highly resistant to mobile phone interference.
2.It has the pluggable microphone stem.
3. It offers long microphone pick-up range.
4. It has a low profile built-in loudspeaker.
5. It has 5 buttons for voting and election.
6.It is equipped with a built-in chip card reader.
7. It has white-on-blue backlit LCD.
8. It has a red ring luminant to indicate active microphone.

Basic Functions
1. It has the function of microphone discussion: push to talk or request to talk. It offers floor audio listening via headphone or built-in loudspeaker, with volume control.
2. AUTO/FIFO/OPERATOR modes are available for microphone management.
3. It offers attendance registration by IC card andMIC key press.
4. Voting: YES/ABST/NO. Vote counting and result display are automatically enabled by PC.
- Single-choice and multiple-choice voting
- First key press and final key press voting
5. Election: elect one or more out of N candidates, with competitive election, equal number election, and quick election.
6. Evaluation: 4-key evaluation (1/2/3/4): Good, Fair, Poor and Abstain.
7.It has the dynamic LCD messages formicrophone discussion.
8. It supports the automatic video tracking, with a preset panoramic position.

Technical Specifications
1. Mounting type: fixed or portable tabletop
2. Mic pick-up range: up to 60 cm
3. Frequency response: 50Hz-18kHz
4. S/N ratio: -95dB/1mV
5. Sensitivity: -46dB4dB
4. Power input: 24V DC
5. Microphone stem length: 410mm
6. LCD: 4718mm
7. Headphone jack: mini 3.5mm
8. Internal loudspeaker: 8/2W
9. Dimension: 17314557 mm (W*D*H)
10. Weight: 0.8 kg
11. Housing color scheme: black or silver

As a professional conference system manufacturer based in China, GONSIN also offersIR interpretation system, DSSS interpretation system, wireless conference system, wireless voting system,etc.