Good morning - This morning in the midst of a CW QSO my K3 (FW 04.67, D1 02.81, D2 02.81, FL 01.15, DR 01.03) locked up with the following message - E 0404 C8 ERR DSE The serial port was connected to LP-Bridge. How do I keep that from happening again? 73 de K1ESE John