Other posts and Google fully explain how to hook the Firehawk up using the 4 cable method.   What I could use now is an explanation of how to set things up.    Do I insert the FX LOOP block in the location so that blocks before it are sent to the guitar in of the amp and the blocks after it are sent to the power amp?   In other words, the location of the FX LOOP defines what goes to the full amp and what goes to only the power amp?    And how do I use the AMP/CAB black?   Do I need to put this a