Sony DVP-NC85H Multi-disc DVD Player "random shuffle play cd players" Questions

...shuffle/random? Is there a way for this 5-disc changer (when using as a CD player) to have CDs play on shuffle/random? That is, a way for the unit to change from on disc to another automatically.... ...

Shuffle play among several CDs I would like to load up to 5 CDs and have it play randomly selected tracks from among all the CDs. All I can get it to do is randomly select tracks from only one CD even