Complete the command to open the Units dialog box in AutoCAD.
Type [1] in the command line and press Enter.
Typing UNITS opens the Units dialog where you can set measurement units.
Complete the command to set drawing limits in AutoCAD.
Type [1] and press Enter to define the drawing area boundaries.
The LIMITS command sets the drawing boundaries in AutoCAD.
Fix the error in the command to set the lower-left corner of drawing limits.
After typing LIMITS, enter the lower-left corner as [1].
The lower-left corner of drawing limits is usually set to 0,0 to start at the origin.
Fill both blanks to set the upper-right corner of drawing limits and confirm the command.
After setting lower-left corner, enter upper-right corner as [1] and then type [2] to finish.
The upper-right corner is set to 420,297 (A3 paper size in mm), and pressing Enter confirms the limits.
Fill all three blanks to set units to millimeters, precision to 2 decimal places, and angle type to decimal degrees.
In the Units dialog, set Insertion scale to [1], Precision to [2], and Angle Type to [3].
Millimeters are common units, precision 2 means two decimals, and decimal degrees is a standard angle format.
