In simple terms (I.E. terms I can understand) the V on the bed has to mate with the V on the saddle in at "least" 2 places in order to gain a 3 point mating surface to take out all travels of movement, the third being the back.
I adjusted mine in the following manner
Loosen all front and back screws.
Adjust front middle to partical grab then back off a tad.
Adjust front left
Adjust front right
This ensured that at least the front was held at each end.
Then adjusted front middle again to best tension I could get
On to the back
Back middle
Back left
Back right
Back middle for final tension
Result is, so little movemet that it will do me.

This may not be the correct way, it may not be the recommded way, it may not be the way most people do it, but it worked for me
