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Definition: RF out

(Radio Frequency out) Refers to coaxial sockets on the back of set-top boxes, VCRs and DVDs that output analog video signals for older TVs that do not have composite video or component video inputs. Since the video source controls the channels or source material, the "RF out" signals are modulated onto a channel 3 or 4 carrier, and the TV is set to that channel. Contrast with RF in. See F connector and RF.

RF Out
The signals coming from the "OUT" jack on this VCR are modulated onto channel 3 or 4 to provide a recognizable signal the TV can tune in. This enables the VHS videotape to be viewed on older TVs.