Kevin Bourque , Aug 01, 2007; 07:19 a.m.
I thought I knew what the lights did, but now I ignore them! I pretty much ignore the markings on the temp dial, too. I got a meat thermometer and found the spot on the dial that gave me the temperature I needed to mount prints.
Not the answer you were looking for, I know. But I figured as long as the temperature was correct, the lights could do whatever they wanted.