Method for operating a wireless transmitter (10, 10') and a wireless receiver (20, 20'), - wherein the wireless transmitter (10, 10') 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, - wherein the wireless receiver (20, 20') 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 comprising the step: - assigning the wireless transmitter (10, 10') and the wireless receiver (20, 20') by means of a user-operated, electric assignment apparatus such that the receiver (20, 20') controls the operation condition of the apparatus as a function of the received operation condition signal, wherein the assignment apparatus is separate from the transmitter (10, 10') and the receiver (20, 20'), wherein - the wireless transmitter (10, 10') has a transmitter identification (ID1, ID2, ID3, ID4) and sends the transmitter identification (ID1, ID2, ID3, ID4), and during the assignment procedure the transmitter identification (ID1, ID2, ID3, ID4) is assigned to the wireless receiver (20, 20') by means of the user-operated, electric assignment apparatus, and/or that the wireless receiver (20, 20') has a receiver identification (IDA, IDB), and the wireless transmitter (10, 10') sends the receiver identification (IDA, IDB), and during the assignment procedure the receiver identification (IDA, IDB) is assigned to the wireless transmitter (10, 10') by means of the user-operated, electric assignment apparatus, characterized in that - the user-operated, electric assignment apparatus receives the sent transmitter identification(s) (ID1, ID2, ID3, ID4) and the sent receiver identification(s) (IDA, IDB), - a user assigns the transmitter identification(s) (ID1, ID2, ID3, ID4) to the corresponding receiver identification (IDA, IDB) using the assignment apparatus, and - consequently, the user-operated, electric assignment apparatus sends a configuration signal. - wherein the wireless transmitter (10, 10') 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, - wherein the wireless receiver (20, 20') 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, - assigning the wireless transmitter (10, 10') and the wireless receiver (20, 20') by means of a user-operated, electric assignment apparatus such that the receiver (20, 20') controls the operation condition of the apparatus as a function of the received operation condition signal, wherein the assignment apparatus is separate from the transmitter (10, 10') and the receiver (20, 20'), wherein - the wireless transmitter (10, 10') has a transmitter identification (ID1, ID2, ID3, ID4) and sends the transmitter identification (ID1, ID2, ID3, ID4), and during the assignment procedure the transmitter identification (ID1, ID2, ID3, ID4) is assigned to the wireless receiver (20, 20') by means of the user-operated, electric assignment apparatus, and/or that the wireless receiver (20, 20') has a receiver identification (IDA, IDB), and the wireless transmitter (10, 10') sends the receiver identification (IDA, IDB), and during the assignment procedure the receiver identification (IDA, IDB) is assigned to the wireless transmitter (10, 10') by means of the user-operated, electric assignment apparatus, - the user-operated, electric assignment apparatus receives the sent transmitter identification(s) (ID1, ID2, ID3, ID4) and the sent receiver identification(s) (IDA, IDB), - a user assigns the transmitter identification(s) (ID1, ID2, ID3, ID4) to the corresponding receiver identification (IDA, IDB) using the assignment apparatus, and - consequently, the user-operated, electric assignment apparatus sends a configuration signal.