Building installation Technical control panel (1) having an input panel (2) formed over capacitive as electrodes proximity switch buttons (S) has, and with a device for driving at least one building installation and with a device for changing the operating mode of the control unit (1) of a first mode of operation, such as a sleep or idle mode to a second operating mode, such as an input-ready mode of operation, characterized in that the operating part (1), a capacitive proximity sensor with at least one electrode (4, 5, 6, 7) carried out while along at least a , is assigned to part of the input panel (2) extending loop constructed and arranged to detect within one before the input panel (2) furnished monitor region (8) comprises an actuating motion for actuating the control panel (1) before the input panel (2) from the used for actuating actuating member (9) is touched, un d that the operating part (1) is actuated by the proximity sensor so as to switch in response to a detection signal of the operating unit (1) from a first to a second operating mode, and that with the switching of the control panel (1) from the first operating mode to the the second operation mode to carry out the monitoring of the monitored zone (8) is interrupted.