11.2 Modes of operationIn the case of automatically-loaded machines, the following functions are to be provided additionally:a. Automatic running of the machine until it is emptyb. Manufacturing processes involving manual loading and unloading of the machine; appropriate occupational safety measures are to be implemented for this function.Operating mode-related functions:Operating modes and their associated control functions may be as follows:- Automatic modeIf “automatic mode” is set, all the control devices must be unaffected by “setup mode”. The following instructions may be exceptions to this rule: the “reverse unit”, “quick stop” / “emergency stop” and “stop at end of cycle” / “stop at end of stepping mode” commands.In the case of a switchover to automatic mode, a start-up phase has to be assured or the absent start-up conditions have to be displayed in detail.