A system for adjusting a clearance between blade tips of a turbine and a shroud assembly encircling the turbine in a turbine engine is disclosed herein. One version allows for a rocking and canting of the firearm by pivotally attaching an upper portion of the expanded legs. The recognition system forms part of a computer having an operating system and includes a touchpad pointing device, a recognition module and a signal capturer. By way of example, the program streams may be part of existing unicast infrastructure in the head end equipment.