FIELD: measurement technology. SUBSTANCE: source of variable luminance depending on value of displayed parameter and having different chromaticity is placed near source of constant luminance. Value of parameter is displayed, for instance, by resulting color of glow. Luminance is changed smoothly or discretely. Crystal with light-emitting p-n junction which is used to load amplifier of signal coming from transmitter of parameter is employed in the capacity of light source whose luminance is altered. Calculator provided in device makes it feasible to determine future value of parameter. It also sets time interval after which tracked parameter takes on value displayed at present time moment by indicator. Invention makes it possible to present information related to dynamics of change of displayed parameters and to exert anticipated effect for purpose of correction of future values of parameters. In addition minimization of energy and information load on visual analyzer of operator is secured. EFFECT: optimization of architecture of device of color indication. 15 cl, 7 dwg
