To Chamfer Edges Using the Distances Method

Select the Chamfer Feature tool.
The Chamfer Feature tool settings window opens.
Set Method to Distances.
Type Distance 1 and Distance 2 for the chamfer.
Note: Distance 1 will be at the end nearest to where you select the edge.
Enter other settings as required.
Select an edge to chamfer.
The selected edge highlights.
(Optional) To select additional edges, hold <Ctrl> and enter data points to select edges.
Accept to chamfer the edge(s).
The chamfered edges display.

Tip: Edges that are chamfered in the same operation are modified as one feature when they are modified with the Modify Parametric Solid or Feature tool.
Accept or reject the chamfer.

Chamfering an Edge. Left: Selecting the edge (1). | Right: The resulting chamfered edge.