DISPLAY OR RECEIVER WITH BUILT-IN TEST SIGNAL GENERATOR, TESTPATTERN, OR ADJUSTING ADJUNCT:
(under the class definition) Subject matter including the integral combination of a display and means to aid in adjusting the display.
(1) Note. Self-regulating devices such as automatic white balance, automatic black level, or automatic gain control which often use a "test pulse" or "test signal" are excluded from this subclass.
SEE OR SEARCH THIS CLASS, SUBCLASS:
657, and 658, for a display with a self-regulation white balance.
678+, for a receiver with automatic gain control.
691+, for a receiver with automatic black level control.
