780C Multi-Interface Interoperability Tester – User Guide Page 130
5. If you wish to obtain an EDID from an HDMI or HDBaseT sink device that you have on hand, connect the
780C HDMI or HDBaseT OUT port to the HDMI/HDBaseT input of that sink device. This configuration is
depicted below.
Skip to Step 8 if you do not want to use an EDID from an HDMI/HDBaseT sink device you have on hand.
6. Navigate to the EDID Test from the Sink Tests menu shown below.