RGBLink VSP 729 - Manual (Page 85)

6. System Setup and Operations
Interface and Input Signal Option
VSP 729 User Manual 85
In addition to CONT and the power interface,Other interface is video signal
input interface.The interface including:HDMI、VGA、YPbPr、YCbCr、
CV.Corresponding four signal source ：HDMI1、VGA1、CV1、CV2i is
channel 1;HDMI2、VGA2、CV3、CV4 is channel 2;DMI3、VGA3、CV5、
CV6 is channel 3;DMI4、VGA4、CV7、CV8 is channel4;
The selection of signal format
I f channel 2 need to select VGA input signal,select Preview【2】 ，and click
【PROG】to enter signal format，Running the knob switch to select
corresponding input format,select VGA, then click NEXT.