So Im currently running through a pod hd pro through my 5150 and using a line 6 shortboard MKII(not the express). I have no clue how to use the looper function. There is no block in the actual unit and no "looper" button on my pedal. I have read that you CAN still use the looper function with this pedal and that its a global function(thats why there's no block in the chain). I need some help asap.