This command will change the actual symbol of the drillhole on screen in the drawing from what was originally placed. The first window that appears is to select the symbol to change to. Click on the symbol desired with the cursor, select the holes to change and the holes are now changed.
Symbol Selection Dialog Choose a symbol
Select the Drillholes to change symbol.
Select objects: pick drillhole symbols
Modified 3 drillhole symbols
Pulldown Menu Location: Drillhole
Keyboard Command: chsymbol2