When you draw a vector or move a grab point with the End Point Snap on, the vector or grab point will snap to any vector end point within the Grab Snap Distance, which is shown by a circle around the cursor.

When you draw a vector or move a grab point with the Between Ends Snap on, the vector or grab point will snap to any part of a vector within the Grab Snap Distance, which is shown by a circle around the cursor.

How to tell whether the End Point Snap and/or Between Ends Snap are set

To see whether the End Point Snap and/or Between Ends Snap are set, look at the bottom right of the Scan2CAD window:

To turn the End Point Snap and Between Ends Snap on and off

To toggle the End Point Snap on and off do either of the following:

Press Ctrl+E

Select Vector Edit Menu > Snap to End Point.

To toggle the Between Ends Snap on and off do either of the following:

Press Ctrl+B

Select Vector Edit Menu > Snap Between End Points.