ocr: Specimen- Beam Splitter Light Path Guided AS Monochromator Fiber by Lauch Optics Spool Pour Optical Detectors P PIN Motor Stepper Stepper Motor Controller. A/D A/D e 00 Oscilloscope Displaying Detector IEEE-488 GPIB Interface Signals-- Usefull for alignment, diagnostics and trouble shooting. - BM PC, Printer, & Plotter for Data Acquisition & Processing