Purchased E420VO television late March 2011. To be used with 'over the air' antenna system in super fringe area. Initial 'scan' of channels resulted in capture of two channels with my antenna directed towards one of four directions with usable signal levels. Subsequent scans, which (according to the manual) are to add additional channels to the master list, with the antenna directed towards one of the other usable directions yielded the channels being detected and added...but...the earlier channels are erased from the... read full review »