Volume levels increase and decrease on their own.

LED lights freeze and the ext speakers go full volume and distort.

Headphone cue button suddenly causes one of the songs to restart to the beginning of the song.  Almost acting as if it was a cue point button

Song would restart to the beginning of the song by itself, or jump around.

Master volume in software  freezes and then unlocks after rotating the booth monitor to 0.

MacBook Pro (Retina, 13-inch, Early 2017) 16gb RAM, 3.5ghz i7, Iris 650 video

Note: I have already sent this unit in, and has the black dot.  Please help.  This is totally unusable.