Profilux touch 1.05

Hey, hoping someone can help me. I was wondering if there is display illumination in the firmware that would allow me to drop the screen out to 0% over night. I see it was in previous versions, or am i missing something totally. I was hoping to drop the screen in-between the hours of 2300 and 0600.
I also was hoping to see if there was a way to reduce the pH range(right now 4-10) and Temp range(35 degrees delta) in the graphs. Just wondering why there are such large spreads.
Thoughts?
Thanks,
Bob