vertical hold control

vertical hold control

[′vərd·ə·kəl ¦hōld kən‚trōl]
(electronics)
The hold control that changes the free-running period of the vertical deflection oscillator in a television receiver, so the picture remains steady in the vertical direction.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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