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兼具 LBB 3330 CCS 代表机的所有功能
用于主席话筒的优先按钮
临时或永久关闭代表话筒
用于在主席发言之前时发出不同提示音的选择装置
LBB 3331 CCS 主席机拥有更强的功能，使用户可以在会议、讨论期间担任主席的角色。
LBB 3331/50 CCS Chairman Unit Long Microphone
microphone stem length 488 mm (19.2 inch)
Features
Incorporates all functions of the LBB 3330 CCS Delegate Units
Priority button for chairman microphone
Temporary or permanent muting of delegate microphones
Optional chime tone facility for preceding chairman announcements
The LBB 3331 CCS Chairman Units are equipped with enhanced functionality that enables the user to take the role of chairman in a conference or meeting.