Examples relate to a system for a microscope system, to a microscope system comprising such a system, and to a corresponding method and computer program. The system comprises one or more processors and one or more storage devices. The system is configured to obtain a trigger signal. The trigger signal indicates a desire of a user of the microscope system to display a visual representation of a control functionality associated with an input device of the microscope system. The system is configured to generate, based on the trigger signal, a visual overlay comprising the visual representation. The system is configured to provide a display signal to a display device of the microscope system, the display signal comprising the visual overlay.