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4. IR call back control the matrix
User can control the matrix via the IR call back system.
5.
IR system could control the sources from the sinks or control the
sinks from sources.
The matrix can not only extend the HDMI signal to HDMI receiver which is in
remote rooms, but also can pass the IR signal through the IR system to the
HDMI source or pass the IR signal from the HDMI source to the HDMI sink.