Patent ID: 7370583

Claim:
A method for wirelessly controlling a control unit selected from a plurality of control units in a detonator system by means of an operating device selected from a plurality of operating devices, the selected control unit being further connected to a round of detonators and controlling the function thereof, comprising the steps of associating the selected operating device and the selected control unit with each other, a dedicated communication protocol for wireless communication between the selected operating device and the selected control unit being established, which allows communication only between the selected operating device and the selected control unit including the sub-steps of registering the identity of the selected operating device in the control unit, and transmitting the identities together with control data during communication in accordance with the established communication protocol, and transmitting control data in accordance with said communication protocol from the operating device to the control unit, wherein the communication protocol requires encryption of predetermined parts of the data to be transmitted from the operating device to the control unit before transmission thereof, and wherein the step of associating the operating device and the control unit with each other comprises the sub-step of transmitting encryption data between the operating device and the control unit, and the step of transmitting control data comprises the sub-step of encrypting, by means of said encryption data, selected arts of the data to be transmitted from the operating device to the control unit, said encryption data comprises a encryption table containing a number of encryption entries.