My cluelessness re: dip switch settings is limiting my ability to tweak the claw strength, $ per play, time limits, etc. I have successfully built one working machine using the parts from both, but there are still some small things that are not working (marquee lights, dollar mech). The logic boards are Betson Big Choice CTL-1 Rev. 1987 for $50 each (plus shipping) from a distrubutor's used 'as-is' lot. I am an arcade crane hobbyist (junkie) and I recently bought 2 Betson Big Choice arcade crane machines circa. Looking for Betson Big Choice Service Manual / Dipswitch settings