Bulletin: KA2150 Vendor: Kantronics Subject: KPC-4 Backwards capacitors To ALL KPC4 Users: In case u didn't get the Notice from Kantronics here is a change that shud be made: Due to an error in the production of the KPC-4 boards BELOW S/N 69489, Capacitors "C40 & C41" were installed BACKWARDS. If u hv a KPC4 below that S/N u should reverse these capacitors or contact Kantronics at (913)842-4476. These caps are 10mf, 65VDC Electrolytic.