That's the only way to really learn. Fool around with the settings for a while... when you're good and confused ask some questions here... then fool around with the settings some more and repeat for a while.

That's how I learned. I imagine that's how most of us learned...

M60ti, VP180, QS8, M2ti, EP500, PC-Plus 20-39
M5HP, M40ti, Sierra-1
LFR1100 active, ADA1500-4 and -8