* * * DEMCIT * * * ALLOWS INDEPENDENT MANIPULATION OF LINEAR SAWTOOTH WINDOWS WITHIN EACH OF THE PRIMARY COLOR INTENSITY TRANSFORMATION TABLES OF AN ID-2212/C IMAGE DISPLAY SYSTEM (10 BIT MEMORY + 2 BIT OVERLAYS). INITIALIZES LINEAR RAMPS IN THE COLOR INTENSITY TRANSFORMATION TABLES, DISPLAYING THE CHARACTERISTICS IN LINES 8-12 OF THE ANNOTATION FIELD TO THE RIGHT OF THE IMAGE VIEWING WINDOW, THEN ALLOWS MANIPULATION OF ANY COMBINATION OF THE THREE 1024-ELEMENT COLOR PRIMARY INTENSITY TRANSFORMATION TABLES IN AN ID-2212/C IMAGE DISPLAY SYSTEM BY TWO VARIETIES OF KEYBOARD INPUT: (1) SPECIFIC CHANGES OF CONTRAST OR BRIGHTNESS WITH NUMERIC INPUT ("C" OR "B" FOLLOWED BY A MANDATORY SPACE, THEN A POSITIVE OR NEGATIVE INTEGER) OR (2) CONTINUOUS CHANGES IMPLEMENTED BY THE "U" OR "D" CHARACTER IMMEDIATELY FOLLOWING "C" OR "B" FOR BRIGHTNESS OR CONTRAST CHANGE RESPECTIVELY. THE CHARACTERISTICS OF THE VIEWING WINDOWS ARE DISPLAYED IN LINES 8-12 OF THE ANNOTATION FIELD TO THE RIGHT OF THE IMAGE. ENTRY OF AN "X" PERMITS SELECTION OF NEW COLOR(S).