Process data and video data as pertains to the operation of an item of equipment is received and temporarily captured and stored in a rolling window that includes a plurality of different points in time. The control device determines a non-masterslave operative mode or a masterslave operative mode, and calculates a difference between the orientation of the master unit and the orientation of the slave unit. The extension portion extends beyond the PC card slot allowing thermal dissipation from the card due to air flow over the heat sink.