Angle measure
Sets the direction of the angle measured when you use the Measure 
tool. Select Counter clockwise 
or Clockwise 
.
Units
Sets all measurement values in TIFF Assembler Plus software to Millimeters (mm) or Inches (in).
Resolution units
Sets resolution values in TIFF Assembler Plus software to Millimeters (dpm, lpm) or Inches (dpi, lpi).