To Create a Reference Datum Coordinate System for a Notebook
1. Click > > . The Select Point Dialog box opens.
2. Choose one of the following options to place the datum coordinate system:
◦ ![](../../assembly/asm/images/free_pnt.png)
—Click in the notebook window to select a free point.
◦ ![](../../assembly/asm/images/absolute_coordinate.png)
—Enter the X and Y values for the absolute coordinates.
◦ ![](../../assembly/asm/images/relative_coordinate.png)
—Select a point and enter relative X and Y value for coordinates to place the new coordinate system relative to the selected point.
◦ ![](../../assembly/asm/images/snap_to.png)
—Click a point on an entity to set a coordinate system.
◦ ![](../../assembly/asm/images/snap_vert.png)
—Click a vertex to place the coordinate on the vertex.
3. Click OK.
4. At the prompt, enter a name for the datum coordinate system and press ENTER or click
![](../../assembly/asm/images/msg_ok.png)
.