Fox 36 talas RC2

Mythic

I am thinking of buying one however as i am upgrading from a RS tora i am not quite sure about all the functions.On my tora i have lockout rebound adjust etcetc of which the names sort of tell you what it does what is function of the high/low speed compression adjust can it completely lock out the fork as i spend sometime on the road but then i do freeride (hence the need for a fox 36 over a rs tora)? cheers