Instrument Notation ao ao ( aJQ::J ( * Q=JQj ( 0 ao a 0 ( zJ wJ ] ] 0 ( Variable Focus ("Zoom") ERS ERS designated by Degree ERS with a "Gobo" (projection pattern) ERS with an Iris Kit ERS with a Single Lens ERS with a Stepped-Lens C? -------Channel/Dimmer - - - - - - CircuitlDimmer Unit Designatiot Striplight Notation 1. L 201 2. Rx 65 3. Rx 79 (f A,R Filament Orienr.ation) 4. Rx55 5. Rx19 6. Rx37 Color Followspot "Boomerang" A 201 Focus Color Instrument Designation Instrument Number A Focus Color 201 VNSP 1 Lamp Type Instrument Number Lamp Axis Rotation Wattage Circuit/Dimmer 6 ChannellDimmer Wattage CircuitlDimmer Channel/Dimmer Proposed USITT Lighting Graphic Standards TD&T 1991 FAll 65