These models perform quick pass/fail tests or use more powerful measuring tools for highly details analysis. Test results are provided through a 4 line by 20 character LCD, light emitting diodes, and audible tones. The unit is also RS-232 compatible and works with the QCVIEWER II-6/8 Windows®-based verification software package. The QC800 Series Bar Code Verifier offers the convenience of simple aim-and-shoot verification through the use of a QC3800V, a customized, IT3800 hand held imager. Quickly perform pass/fail testing of dimensional and format quality parameters like average bar deviation, wide-to-narrow ratios, encodation, and ISO/IEC decodability. Also, full traditional and ISO/IEC dimensional, reflectance, and format tests can be performed using optional mouse and pen style