Various aspects relate to a device which, in various embodiments, comprises a header, a neural stimulator, a detector and a controller. The latch assembly includes a lock housing, a cable guide adjacent the lock housing and a lock arm adjacent the cable guide member. 3D video is encoded to generate a SVC enhancement layer that includes a left second-resolution view and a right second-resolution view packed in a second frame. The conditions are written to a debugging user interface. In particular, the electrical power is filtered in a broadband range associated with digital subscriber line systems to provide for improved DSL system performance.