Method for operating machinery using a browser

A method for operating machinery, the method comprising the following steps:

• providing a control unit;
• providing a display device connected to the control unit;
• displaying a first user interface of a first application program, wherein the first user interface is a user interface configured for operating a printing machine, and at least one second user interface of a second application program, wherein the at least one second user interface is configured for operating peripheral devices of the printing machine, on the display device;
• and
• displaying, on the display device, the first user interface of the first application program and the at least one second user interface of the second application program, wherein the first user interface is a user interface configured for operating a printing machine that includes printing units having sheets transported between and through the printing units by transport cylinders, and the at least one second user interface is configured for operating peripheral devices of the printing machine, the peripheral devices including a compressed air supply;
• forming a common display window on the display device with the first user interface and the at least one second user interface, the first user interface running in the background and the at least one second user interface running in the foreground on the display device while the first user interface and the at least one second user interface are operating without any visible change on the display device.