The SM4VA from ETS is a 4 Channel Video follow Audio with 4 zone sequential or manual switching, audio/video surveillance system cameras not supplied. It can also be used independently for monitoring live audio/video or with tape recorders for recording and playback. In SM4VA there are two modes of operation such as audio follow video mode or audio mixer / switcher operates independently of video switcher.
The SM4VA from ETS is a 4 Channel Video follow Audio with 4 zone sequential or manual switching, audio/video surveillance system cameras not supplied. It can also be used independently for monitoring live audio/video or with tape recorders for recording and playback. In SM4VA there are two modes of operation such as audio follow video mode or audio mixer / switcher operates independently of video switcher.
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