Datum Feature SymbolDatum Feature SymbolA datum feature symbol consists of a marker, leader, and datum reference letter.
To insert a datum feature symbol:
1. Click the Datum Feature Symbol tool from the Dims/Notes tool set.
2. Click on the drawing to insert the datum feature symbol. Click again to set the rotation of the object.
If this is the first time the object has been inserted in this session, the Object Properties dialog box opens. If the Attributes palette has not been set to use end markers, select the marker style, size, and angle from the Object Properties dialog box.
3. Enter the datum reference letter (which corresponds to the Feature Control Frame reference letter).
Once the datum feature symbol has been placed, its marker can be selected from the Attributes palette (see Marker Attributes). To control the text characteristics (font size and style) globally, assign a text style to the class. You can also apply text styles or Text menu options to format individual markers. See Using Text Styles and Formatting Text.
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