... -viewing 3.Locking functions, Power-off memory 4.LED display set top box, DVB-C set top ... system, PAL/NTSC auto switching, EPG pre-viewing.4. It supports text messaging and program editing, ... contains the Locking functions, Power-off memory, LED display, and one key return 6. It supports single ... of games and supports Loader technology, on-line upgrade, on display of advertises and advertise menu.It's ...