I have the aforementioned DVD player and projector. Both are equipped with the ability to dial in contrast, brightness, etc. Does it matter which one I use? I've been using the projector to calibrate, but only because I am very familiar with it. I'm now beginning to wonder if the settings should be made via the DVD player. It seems to me that using the projector controls might be pointless if the source signal isn't accurate. Am I thinking correctly on this?