2 0 0 0 , ▁High ▁End ▁Systems ▁introduced ▁a ▁digital ▁projection ▁system ▁with ▁a ▁video ▁project or , ▁Or b ital ▁Mir ror ▁Head , ▁and ▁a ▁DM X - control led ▁media ▁server ▁that ▁inter fac ed ▁with ▁a ▁light ing ▁console . ▁It ▁allowed ▁a ▁light ing ▁programmer ▁to ▁program ▁the ▁video ▁switching ▁and ▁effects ▁into ▁the ▁light ing ▁console ▁and ▁play ▁them ▁back ▁as ▁part ▁of ▁the ▁light ▁show . ▁The ▁first ▁such ▁system ▁was ▁called ▁Catal yst , ▁but ▁Catal yst ▁evol ved ▁into ▁the ▁DM X - control led ▁media ▁server ▁in ▁ 2 0 0 2 ▁while ▁the ▁Or b ital ▁Mir ror ▁Head ▁was ▁market ed ▁alone . ▁Up ▁until ▁that ▁point , ▁media ▁servers ▁were ▁manually - oper ated ▁systems ▁where ▁the ▁media , ▁either ▁t ape ▁or ▁video ▁computer ▁files , ▁were ▁switched ▁using ▁a ▁push ▁button ▁matrix ▁switch er ▁or ▁a ▁T - handle ▁switch er ▁to ▁cross fade ▁between ▁sources . ▁▁ ▁That ▁era ▁marked ▁the ▁beginning ▁of ▁High ▁End ▁Systems ’ ▁imm ersion ▁in ▁digital ▁lum ina ires . ▁So on ▁after ▁Catal yst , ▁they ▁introduced ▁the ▁D L . 1 ▁Digital ▁L um inaire , ▁a ▁moving ▁y oke ▁projection ▁system ▁under ▁the ▁control ▁of ▁DM X 5 1 2 . ▁It ▁required ▁the ▁use ▁of ▁an ▁external ▁media ▁server ▁but ▁the ▁next ▁evolution s ▁of ▁the ▁product , ▁the ▁D L . 2 , ▁D L . 3 , ▁and ▁D L . V ▁all ▁have ▁media