EN232x red flash the row was not measured successfully because not all patchescould be recognized. Measure the row again, but reduce yourmeasurement speed and make sure that the device starts andends the measurement before and after the patches of the testchart.4x red flash the row was not measured successfully because you startedreading the patches too early without giving the tungsten filamentlamp enough time to warm up. Measure the row again but allowthe lamp time to heat up before you start moving the i1Pro device.1x green; the row was measured successfully but the software2x red flash expected the measurement of a different row. Check if the row youmeasured is the row the software is expecting.5. Measure the same row again in the indicated direction. The second pass willmeasure the row with the UV illumination only. If successful you can proceed to thenext row.2x green flash the dual pass measurement of a row was successful.