The system of restriction of speed is disconnected when pressing:

– buttons 3 – in this case value of speed remains in memory of system, and on the display of a guard of devices the message "Appears value is brought in memory";

– there is no button 1 left – in this case value of speed in memory of system, and the control lamp on a guard of devices dies away, confirming function shutdown.

Fig. 1.93. Shutdown of system