[Cause]
iRCalibration 's visual measurement error. Image contrasts are lower than the " Contrast " set on the Visual Set.
[Countermeasure]
The response is through the following steps.
・ Adjust the lighting and shutter speed so that the image outline can be seen clearly.
・ If the above alarm still occurs with appropriate brightness, check whether the camera is properly focused. If it is not, adjust the lens to focus it.
・ If all the above countermeasures are ineffective, reduce ‘Contrast’.