Patent ID: 7900882

Claim:
A method, comprising: mounting a plurality of truss mounted lamps by attaching each of said truss mounted lamps of the plurality of lamps to supporting trusses, wherein at least one of said supporting trusses extends in a different direction than another of said supporting trusses, wherein said truss mounted lamps are formed on a bracket which includes a truss mounted portion and lamp mounted portion; using a graduated scale on each of a plurality of lamps to adjust a base position of each lamp, wherein said using comprises moving a truss mounted portion of the bracket relative to said lamp-mounted portion; said graduated scale configured for allowing each of the plurality of lamps to point in the same direction, wherein said using comprises using said graduated scale when said each of the plurality of lamps points in the same direction to have at least one value on one graduated scale of one of the lamps being different than a value on a graduated scale than another one of the lamps by an amount set on said graduated scale, whereby said graduated scales are arranged such that said mounting and said using controls all the lamps in the plurality of lamps to point in a common direction; and receiving an electronic control signal which controls the plurality of lamps to move commonly as though each lamp was mounted on trusses extending in the same direction.