Display and operational command control - has numerous service keys near display for number of audio signal units of different functions

摘要

The display and command control can store an operational command of a certain audio signal unit from a number of such units (21-24) as corresp. to each operating key, for a pattern display of the indicated audio signal unit, together with the stored operational command for the unit. The display (19,20) for this purpose has regions, corresp. to each service key. Thus the stored operational command of the corresp. audio signal unit responds to the actuation of the key and the display position. An audio signal appts. with several functions, contg. several audio signal units, is operated without faulty key handling. USE/ADVANTAGE - Car audio unit with magnetic tape recorder and CD player, with simple operation and fault exclusion.