FIELD: instrumentation, devices used in motor vehicles. SUBSTANCE: in correspondence with first variant indicator is equipped with receiving and transmitting units placed in vehicle or outside it. Transmitting unit in this case is capable of setting law of parameter showing. In accordance with second variant indicator is fitted with control element able to relate present value of displayed parameter to indication color specified for it. In agreement with third variant control element of indicator can switch over operation conditions under which sequence of change of readings changes with one and same character of change of parameter. EFFECT: enhanced safety and comfort of road, railway, water and air traffic. 43 cl
