The function that needs to be enabled to display the dimension input box while drawing a line is "Dynamic Input." This feature provides a command interface near the cursor, allowing you to input dimensions and commands directly where you are drawing.
* Dynamic Input:
* Effect: Displays input boxes for dimensions and commands near the cursor.
* Usage: Facilitates real-time input of lengths, angles, and other parameters directly while drawing.
* How to Enable:
* Command: DYNMODE
* Toggle: You can toggle Dynamic Input on or off using the F12 key or by typing DYNMODE and setting it to 1.