This tool is used to set the coordinate system for the current drawing.
Keyboard Command: PrjDwgSys

Procedure:
- Open the appropriate drawing or begin a new one.
- Initiate the tool.
- Enter or pick a coordinate system.
- Choose the button to close the dialog and save the results.
Notes:
- If the Set Drawing Units toggle is turned on, the tool will set the INSUNITS variable to match.