mpc 1000 jjosxl(first december) play two track of a sequence

hello,
i have an mpc 1000 i have buy the jjosxl ,and i meet one problem don't know how to resolve it in fact i have two track one audio one drum and when i turn the jog for selecting one of the track the others doesn't play anymore ,same if i go in the mixer and i put the volume on the second track the first track disappear (and the qlink setting tune -120 disappear too i have two reactivate qlink when i go back to the first track)

thank's in advance for your answers

twon tracks on the same sequence
(i improve my explication

i have found the problem in fact i used the same program on two tracks and i need two different program one by track

or set your program to play polyphonic