Datavideo RMC-90 User Manual
Page 8
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7
Video Main-source and SUB-source Select for channel A, B, C or D and BK
(Background) function key
It is used to select which of the four video input channels or background will be
selected as Main Source and which of the four video input channels or
background will be transitioned to or used as a sub source in an effect.
For more information, please refer to the Front Panel section of SE-800
instruction manual.
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