Run a transparent command until you are prompted to enter an elevation.
Do one of the following:
To accept the default elevation that is displayed on the command line, press Enter.
Enter g. The elevation is calculated using the entered grade and a previously entered point.
Enter s. The elevation is calculated using the entered slope and a previously entered point.
Enter y. The elevation 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 elevation is read.
Note: During a running command, the default prompts for elevation change, depending on how the previous elevation was entered. Enter e to reset the prompts back to the defaults described above.