The RJS Inspector Model D4000 Auto Optic is an extremely adaptable and economical barcode verifier that conducts barcode inspections using ISO 15415, ISO 15416, and ANSI X3.182 methods. Its auto-optic scan head enables menu choices for four aperture sizes and two wavelengths of light. Its flexibility allows it to scan in both directions and automatically distinguish between all commonly used symbologies. Information from the barcode analysis is instantly displayed on a large color LCD, and a clear audible tone along with a Pass/Fail screen promptly indicates the compliance of a barcode with the specification.