Run a transparent command until you are prompted to enter a level.
Do one of the following:
To accept the default level that is displayed on the command line, press Enter.
Enter g. The level is calculated using the entered gradient and a previously entered point.
Enter s. The level is calculated using the entered slope and a previously entered point.
Enter y. The level is taken from the X, Y location on the current surface.
Enter t. If there is more than one surface in the drawing, you are prompted to select the surface from which the level is read.
Note: During a running command, the default prompts for level change, depending on how the previous level was entered. Enter e to reset the prompts back to the defaults described above.