Hello, I´ve installed aprox 20 Dahua dvrs with D1 inputs. I realized that even using 800tvl cameras no matter how good i set the input, image seems worst than cif quality on remote client!! In other words, there´s no difference between 420 or 800tvl...
It seems that the only way to take advantage of a medium resolution camera is watching it live locally through the DVR BNC output...not even vga. Could that be true?