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Definition Of:

AFC (Automatic Frequency Control)

Film & Video DicitonaryFilm and Video Dicitonary
A circuit that automatically keeps an oscillator on frequency. When present on a TV set, the AFC control usually applies to the TV channel tuning section. It keeps the tuner locked to the channel selected. It could also be labeled AFT for Automatic Fine Tuning. Modern sets with digital tuning often have this capability built in, without an option to turn it on or off. Under normal circumstances this function is desirable and should be left on. An ability to turn it off might be helpful when the TV set is using an antenna to receive distance signals in the face of strong local signals. The function of AFC can be applied to other circuits in a viewing device. In those cases we’ve not seen an ability to turn the AFC on or off. If it exists it is always on.


Film & Video Dicitonary INDEX:

List of Terms: Terms beginning with "A", Page 1

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A: Page 1 of 1.

A lens that adjus...A-Wind
A B Printing
A B Rolls
Above the Line
ACC (Automatic Co...Accent Light
Acetate Base
Action Cutting
Address Track
Adjustable lens o...
Aerial Shot
AES (Audio Engine...
AFC (Automatic Fr...AFM
AGC (Automatic Ga...Alarm Activated VCR
All video lines n...Ambient Light
Ambient noise
Amplitude Distort...Analog
Analog (Analogue)
Analog Recording
Anamorphic Video
Angle of View
ANSI (American Na...
Answer Print
Aperture Correction
APL (Average Pict...Apple Box
Aspect Ratio
Asperity Noise
Associate Producer
Associational Edi...Asynchronous Sound
ATSC (Advanced Te...ATTC (Advanced Te...Attenuate
Audible Spectrum
Audio S N Ratio
Automatic Picture...Automatic Slating...

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