Thanks Scott, but what does that mean? Jeremy >First message: (Heartbeat) > > > F0 56 F4 C6 > > >2nd message: > > > 0A 58 00 02 7E 1E > > >Third message: > >22 5F 00 02 80 3D E1 02 00 C0 C4 86 D3 > >