发明申请
US20050113947A1 Programmable system panel apparatus and method 审中-公开
可编程系统面板设备和方法

Programmable system panel apparatus and method
摘要:
A digitally enabled speaker amplifier system not only offers substantial numbers of analog loudspeaker outputs in response to a command to emit a selected tone or alarm signal but also supports regionalized and unit-by-unit control of the selected signals. The functionality disclosed herein further allows external command signals to configure a master system panel that controls the speaker amplifier system.
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