Hi there, Does anybody know something about the serial protocol used between the front panel and the main unit on the 7100? Thank you ---------------------- 73 de Max, N5NHJ (I8NHJ) one of EL2PP, 1A0KM, JT1Y, E30GA, T77V, TT8MM, T32R, K5K, XR0X, S05X, 4O3T, BS7H, K4M, PJ7E, PJ7DX, 6Y1V, C6ANA, VP5/I8NHJ and...