A plasma generator 1 includes a first electrode 12 provided in a gas storage section 5, and a second electrode 13 provided in such a manner that at least a portion coupled with the first electrode 12 comes into contact with a liquid 17 in a liquid storage section 4. The bucket, a bottom mounting bracket, a top mounting bracket and an extendable frame provide support for the pitching target. The bubble tube assembly comprises a flow of air directed through a diaphragm type pressure regulator. A first light-emitting diode is mounted in the rotating housing. A method of reducing power consumption includes masking selected ones of the data lines at predetermined times. The method further includes performing extension mobility login for the user on the first telephony device; and configuring a Trivial File Transfer Protocol service parameter of the call manager in the first cluster.