Digital Network Public Address & Voice Alarm System
<1% (rated output power), 1KHz
Environmental requirements
5.9.MIC extension unit --VA-6000EM
VA-6000 EM for the VA-6000 FM/RM keyboard extension, to provide more display
and control of district / group, an MIC can be extended up to seven MIC extension
units VA-6000EM, a keyboard will increases 8 partitions and corresponding
partition status indicator.
1. 1-click partition / group selection, simple, intuitive, and clear.
2. Showy partition working status indication.
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