Control method for controlling an electronically controllable device for emitting electromagnetic beams, in the case of which the position of the electronically controllable device is determined by a position-determining device, characterized in that - the position-determining device can be integrated into the electronically controllable device, and in that the position-determining device transfers the current position data to the electronically controllable device, and the electronically controllable device determines whether the distance is less than a limit value, and - in that at least the distance of at least one predefined object is determined from the determination of the position, and in the case that the distance from a predefined object is less than a limit value, the device is automatically deactivated or deactivates itself, and - using a prescribable approximation formula to which the coordinates of the currently determined position of the electronically controllable device and the coordinates of the predefined objects are substituted, the distance being determined by comparing whether the determined distance is less than the limit value or not, the approximation formula being: A ≈ ( X 20 * 100 + X 21 * 1.66 + X 22 * 0.03 - X i ⁢ 0 * 100 + X i ⁢ 1 * 1.66 + X i ⁢ 2 * 0.03 2 + ( Y 20 * 100 + Y 21 * 1.66 + Y 22 * 0.03 - Y i ⁢ 0 * 100 + Y i ⁢ 1 * 1.66 + Y i ⁢ 2 * 0.03) 2) 1 / 2 in which: - X 20, X 21, X 22 and, respectively, Y 20, Y 21 and Y 22 are the current coordinates of the device in degrees of longitude, minutes of longitude and seconds of longitude, and, respectively, in degrees of latitude, minutes of latitude and seconds of latitude, - X i0, X i1, X i2 and, respectively, Y i0, Y i1 and Y i2 are the coordinates of the predefined object i in degrees of longitude, minutes of longitude and seconds of longitude, and, respectively, in degrees of latitude, minutes of latitude and seconds of latitude, - i is the running index for different predefined objects. - the position-determining device can be integrated into the electronically controllable device, and in that the position-determining device transfers the current position data to the electronically controllable device, and the electronically controllable device determines whether the distance is less than a limit value, and - in that at least the distance of at least one predefined object is determined from the determination of the position, and in the case that the distance from a predefined object is less than a limit value, the device is automatically deactivated or deactivates itself, and - using a prescribable approximation formula to which the coordinates of the currently determined position of the electronically controllable device and the coordinates of the predefined objects are substituted, the distance being determined by comparing whether the determined distance is less than the limit value or not, the approximation formula being: A ≈ ( X 20 * 100 + X 21 * 1.66 + X 22 * 0.03 - X i ⁢ 0 * 100 + X i ⁢ 1 * 1.66 + X i ⁢ 2 * 0.03 2 + ( Y 20 * 100 + Y 21 * 1.66 + Y 22 * 0.03 - Y i ⁢ 0 * 100 + Y i ⁢ 1 * 1.66 + Y i ⁢ 2 * 0.03) 2) 1 / 2 in which: - X 20, X 21, X 22 and, respectively, Y 20, Y 21 and Y 22 are the current coordinates of the device in degrees of longitude, minutes of longitude and seconds of longitude, and, respectively, in degrees of latitude, minutes of latitude and seconds of latitude, - X i0, X i1, X i2 and, respectively, Y i0, Y i1 and Y i2 are the coordinates of the predefined object i in degrees of longitude, minutes of longitude and seconds of longitude, and, respectively, in degrees of latitude, minutes of latitude and seconds of latitude, - i is the running index for different predefined objects. - X 20, X 21, X 22 and, respectively, Y 20, Y 21 and Y 22 are the current coordinates of the device in degrees of longitude, minutes of longitude and seconds of longitude, and, respectively, in degrees of latitude, minutes of latitude and seconds of latitude, - X i0, X i1, X i2 and, respectively, Y i0, Y i1 and Y i2 are the coordinates of the predefined object i in degrees of longitude, minutes of longitude and seconds of longitude, and, respectively, in degrees of latitude, minutes of latitude and seconds of latitude, - i is the running index for different predefined objects.