monochrome signal

monochrome signal

[′män·ə‚krōm ‚sig·nəl]
(electronics)
A signal wave used for controlling luminance values in monochrome television.
The portion of a signal wave that has major control of the luminance values in a color television system, regardless of whether the picture is displayed in color or in monochrome. Also known as M signal.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.