Patent ID: 8369062

Claim:
A detonation control system comprising: a controller circuit coupled to a manual switch and a detonation device, the detonation device configured to activate an explosive, the controller circuit comprising a memory operable to store one of a plurality of time-to-fire settings representing a time delay from arming the detonation device to activation of the detonation device, the controller circuit operable to a) store a first time-to-fire setting in the memory, b) store another of the plurality of time-to-fire settings in the memory upon actuation of the manual switch, and c) repeat step b) for each actuation of the manual switch; wherein the manual switch comprises a multi-position switch having a first position and a second position, the controller operable to store the another of the plurality of the time-to-fire settings upon each actuation of the multi-position switch from the first position to the second position and back to the first position within an elapsed period of time that is less than a specified threshold.