Sure and anything new on TOS stuff or in this case “Related” is fun.
Clarification: The BN is turned on by the P1 thumbwheel. The Ten Turn gives 3 modes. 1 & 2 are strobes and 3 is a burst or camera flash (disintegrate) controled by the trigger switch. The volume part of the thumbwheel works on the sound in later versions but it looks like Brad had another use with his early builds. That is to adjust the strobe. When first turned on the strobe is slower and increases as the thumwheel is rotated. The adjustable speed increases during the rotation as you would want it to. This works in modes 1 and 2.