This standard applies to character-synthesizing indicators and establishes methods for measuring intrinsic brightness contrast
GOST 25024.5-1987 Referenced Document
GOST 25024.0-1983 Signal produce displays. General requirements to parameter measurement
GOST 25024.4-1985 Character displays. Methods measuring brightness, luminous intensity, irregularity of brightness and irregularity of luminous intensity
GOST 25024.5-1987 history
1987GOST 25024.5-1987 Character displays. Methods of measuring inherent brightness contrast and irregularity of inherent brightness contrast