centering control

centering control

[′sen·tə·riŋ kən′trōl]
(electronics)
One of the two controls used for positioning the image on the screen of a cathode-ray tube; either the horizontal centering control or the vertical centering control.
References in periodicals archive ?
A centering control adjusts apparent L/R balance to compensate for specific signal characteristics.
Photo capture provides vertical and horizontal photo centering controls, and brightness, contrast, color, intensity, and hue controls.