• Without computer
• MIC on number restriction: 1/2/3/4 configurable
• First in first out
• Speak request under chairman's control
• With video camera auto-track function
• Automatic numbering on system
•  
• With computer (OPERATOR):
• MIC ON restriction: 1/2/3/4 configurable
• First in first out
• Speak request under operator's control
• With video camera auto-track function
• Manual numbering on system units
• Speak time limit
• Unidirectional electret MIC and HIF voice loud-speaker
• Red indicative light on MIC
• Chairman's unit could control the whole conference
• Connection:
• -2.1M line cable with 8P-DIN plug
• -8P-DIN socket for system connection
• Installation: flush-mount or portable
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