Turn-On production. Many assumed the show's title was itself an implicit reference to Timothy Leary's pro-drug maxim, "Turn on, tune in, drop out". The network eventually replaced "Turn On" with a revival of "The King Family Show". The controversy led ABC to reject a pilot written by Norman Lear, stating that the lead character was "foul-mouthed, and bigoted", out of fear that it might anger its affiliates again. CBS liked it, picked it up as "All in the Family", and began airing it in 1971. In 2002, "Turn-On" was ranked number 27 on "TV Guide's" 50 Worst TV Shows of All
Drop-out compensator However, since occasional signal drop-outs can still occur, either through severe tape damage or because of packet loss in packetized video transmission, modern error concealment techniques that are aware of the structure of the compressed video format have been developed to deal with these. Drop-out compensator A drop-out compensator is an error concealment device that was commonly used in the analog video era to hide brief RF signal "drop-outs" on videotape playback caused by imperfections in or damage to the tape's magnetic coating. Most compensators worked by repeating earlier video scan-lines over short periods of signal loss; one early such