I just bought an Inova XO on Sunday and have of course been playing with it as soon as it gets dark. I noticed that if I barely push the button, or if I carefully screw the tailcap down I can get it to come on very dimly. It actually has about 2 dim modes that I can get to stay on as long as I don't bump or turn the tailcap. Is this normal? Does it cause any harm to the light or regulator? I at first thought that maybe there was some internal resistance in the switching mechanism but I'm just guessing. Any help is appreciated.