ProVideoPlayer Settings
Setup Wizard: 1 output
Layout Editor: Create 3 screens manually using 1280x720.
Video Switcher Settings
1/3: DVI to MSL and MSR inputs
2: DVI to VGA (Adapter) to MSC input
Switcher input signal settings: MSL/MSC/MSR Format - Auto
Resize - Full
Matrox PowerDesk Settings
Matrox TH2G Resolution Settings (Quick Setup): 1280x768 only