Symbol ((C))
Proceed as follows:
1. Click the following icon:
 | When you select a different symbol type, the existing settings are preserved in the Compose menu. Therefore, any settings for a different symbol type require explicit changes. To leave any symbol element blank, you either specify a space character (in apostrophes) or you click BLANK. |
2. Set d to EMPTY.
3. Specify Ra 100 for a2.
4. Specify grind for b.
5. Set e to 3.
6. Set f1 to Rz 25.
7. Position the symbol at a suitable point to the left of and below the area to marked for grinding.
8. To select the begin point of the reference line, click on a point to the left of the symbol foot point.
9. To select the flexion point of the reference line, click on a point close to a line perpendicular to the area to be marked for grinding.
10. To select the begin point of the reference line arrow, click on a point on the area to be marked for grinding.
11. Click CONFIRM.