I'm using an 7SC Extron to output into an NEC projector. The projector auto changes between modes while the 7SC's output is fixed at 1024x768. Most of the devices going into the 7SC are s-video while input 1 is an HDTV device passing through. I'm then using VSC200 connected on the RGB secondary output of the 7SC to get my composite or s-video output. The problem is... when I switch to the HDTV device, I get a blank white screen on the VSC200's output. I realise that this is because of the HDTV signal but I'm stumped since the other inputs work fine on the fixed 1024x768 output of the 7SC into the VSC200. Any thoughts on this?