Decimal Places - Determines the default number of decimal places that are displayed in measurement labels.
Values are 0 to 10.
Length Units - Determines the default unit of measurement for Dimension markups. Units of measurement for individual Dimension markups can be changed from the right-click menu. See Measuring and Annotating 2D Documents and Measuring and Annotating a 3D Model for details.
Values are Kilometers, Meters, Centimeters, Millimeters, Micrometers, Nanometers, Miles, Feet, Inches, Mils, Micro-Inches.
Angular Unit - Specifies the default unit of measurement for angles.
Values are Deg-Min-Sec, Radians, Degrees, Grads.
Scale Bar Enabled - When enabled, the scale bar appears in 2D documents.
Scale Bar Location - Specifies the scale bar location in the 2D document.
Grid/Ruler Unit - the default unit used for the grid/ruler.
Grid Cell Size - the default grid cell width and height sizes.