DS3800DECA is an LCI Exciter Control Board and is part of the GE Speedtronic Mark IV gas turbine control panel. One 20-pin ribbon cable and five trimmer resistors are included. There are also four jumpers, one potentiometer, and four test points on the GE LCI Exciter Control Board. Each jumper is given a unique ID that is silkscreened on the board's surface. Each jumper on the board has an ID next to it. The ID begins with the suffix BJ and ends with a number. BJ1, BJ2, BJ3, and BJ4 are some of the IDs. The GE LCI Exciter Control Board is designed to provide maximum versatility by adjusting the signal processing with a potentiometer and five trimmer resistors.