Save the accompanying image here and open in Photoshop. Create a duplicate layer. On the dup layer set your brightness to 85, and set your contrast to +65. Note the new image. While you dont need the second layer to achieve this, having it allows you to click it off to view the original image. Now tell me how it's done. I can see that there is a checkerboard pattern in the original image, and that the command is obviously suppressing one pattern in favor of the other, but I really can't figure out the actual dynamics of what's happening because it's just a simple JPEG with no hidden layers. Any technicians out there?