Using Indicators with Surface Finish Symbols When you insert a new surface finish symbol, you can use indicators to place the symbols. To use indicators with surface finish symbols: In the Surface Finish PropertyManager, under Symbol Layout, click an indicator . In the Indicator dialog box: Under Tolerance Type specify Parallel or Perpendicular . (Optional) Under Datum Reference, type a datum. Click Close. In the graphics area, click to place the symbol. Parent topicDetailing and Drawings