Hi, i have a old Beovision MX6000 28", it`s italian model with RF PALB input, configured with AV1 - TP-1 / AV2 - TP-1, for many years i see NTSC signal with color from this ports, but, some day with "a strange button combination on my Beo4 Remote Controller", NTSC signal don´t show colors again Pressing Menu 0-0-Go, show Software

Hi, in TV mode, press Menu, 1, 1 and GO to enter System Menu, try it! Best regards! Leo.