Systems and methods are disclosed for allowing security features to be selectively enabled during device configuration. The dolly approaches the snowmobile from the front and engages its front bumper. Methods include treating a well formation with the wellbore servicing fluid and methods also include making the wellbore servicing fluid. The device includes a signal processor connected to the electrodes for acquiring electrical signals from the electrodes and generating a twelve-lead ECG from the electrical signals. The plurality of electrical conduits is in electrical communication with one or more contacts of the first plurality of contacts and with the second plurality of contacts. The distribution utility generates and distributes the document based on the packet.