ISO/IEC 16022 Grade Usage: Provides visual grading of specific ISO/IEC 16022 parameters. Definition: Determines which ISO/IEC 16022 parameter the imager will grade via the LEDs. Serial Cmd: <K737,LED mode,ISO/IEC 16022 grade> Default: Final Grade Options: 0 = Final Grade 1 = Symbol Contrast 2 = Print Growth 3 = Axial Non-Uniformity 4 = Unused ECC