An apparatus and a method of detecting arc faults that have reduced susceptibility to nuisance tripping. The method also includes controlling delivery of medication to the patient at the portable medication delivery device using a single input, single output model predictive control technique. The channel has at least one projection projecting outwardly into the channel in a distal end region thereof. Pressing a lock button both transmits a lock signal and substantially determines the automobile location. The invention employs a microorganism-removing filter stage prior to an activated carbon filter stage and especially adaptable for use with home water supplies. The gaming device determines if an award is associated with any of the symbols or symbol combinations generated on the supplemental payline and provides any determined award to the player.