timers

This will be available at my table at AM2 - 48 inch Current USA SunDial T5 HO 4x54W w/ Timers & LED Information. I use to have this on my 72 gallon show tank. Works great Bulbs are approximately 6 months old. The integrated times are really nice feature Below is the standard...

I have three of these things, and I am struggling mightily with getting it to work right. I have it turned on, I set the time. No problem. Now, setting the timer, and understanding what is supposed to happen. The instruction sheet that comes with this thing is just not very good. So... I...