Guys, you are not completly right
On the mixer section of the program, you'll see a coloured square saying "player". If you click on it, it will say "line".
This means, that if a plyer is set to line, what goes in on the designated INPUT of your soundcard (Preferences/Audio and search for input ), it will be played through the player, scanned in continuaously, and can be manipulated with the in built mixer of Cross DJ, or you can use most of the FX on it.
ALSO you can RECORD the player that is switched to line mode, so you can record the sound while going into your soundcard input and playing through the player.
SO YES, YOU CAN RECORD CD or Turntable
Read the Manual, for detailed information, everything is there