Lets the user know if symbol quality is less
than acceptable.
Definition:
If enabled, togglesOutput 1to an active state whenAxial Non-Uniformity Thresholdis met.
Serial Cmd:
<K800,output on symbol contrast,symbol contrast
threshold,output on print growth,print growth threshold,output on
axial non-uniformity,axial non-uniformity threshold,output on
UEC,UEC threshold>