I finally setting up my Zone VI VC head enlarger and I'm wondering what setting the brightness switch needs or should be set at. It seems a little redundant to control the brightness and also the time. Perhaps just set the brightness at 6 or even 10 and just leave it there and then adjust the timer for lighter or darker prints. If anyone has any tips on how they use this it would be great. I didn't get any instructions on the operation of this enlarger so I'm kind of going by the seat of my pants. Perhaps someone who owns one could go through the sequence that they use to ascertain their exposure and contrast. I made a couple of prints today that look pretty good when I compared them to my color head enlarger, so I guess I'm on the right track but any tips would be a help and a timesaver. Thanks in advance.