A method for operating a wireless transmitter and a wireless receiver, wherein the wireless transmitter is assigned to a tool and is adapted to detect an operation condition of the tool and to send an operation condition signal as a function of the detected operation condition. The wireless receiver is assigned to an apparatus and is adapted to receive the sent operation condition signal and to control an operation condition of the apparatus as a function of the received operation condition signal. The method assigns the wireless transmitter and the wireless receiver by a user-operated, electric assignment apparatus such that the receiver controls the operation condition of the apparatus as a function of the received operation condition signal. The assignment apparatus is separate from the transmitter and the receiver.