Method for operating a lift system, call input device, lift system comprising a call input device of this type and method for retrofitting a lift system with a call input device of this type

摘要

A lift system comprises a call input device and at least one touchscreen for inputting a call for a lift. The touchscreen has at least one functional identifier. When a functional identifier is touched, at least one input signal is generated. The call input device converts into a special input mode for a time-specific or location-specific generation of several input signals.