CDJ ops ??

Please tell me how I can go from shuffle playing the result of a search to an

all disc shuffle play. In other words, say I first shuffle played using kw=jazz results then later wanted to do a

general shuffle play w/ all discs but even after deleting playlist and clearing search field only jazz tracks

would be used I had to exit CDJ completely to change play modes. Is there a way to get back to

using the whole library for selections?

Secondly, is there a way to prevent power on my cd player from turning back on from slinke when I turn it off

on the player?