“Lateral Shift usability My 46" Samsung LED UN46F6300 is being installed in a built-in. I need to be able to laterally shift the tv toward center each time I pull it out, then shift it back to the side when putting away. Does the lateral shift on this mount allow usability in this capacity? A brand I recently purchased stated once I opened and read the instructions that the lateral shift worked only during install, then had to be bolted in place and could not be used unless unbolted. That type of situation does not work for my needs...”