METHOD 1:

The Blend-Point Editor opens.

METHOD 2: [Difficult if the symbol size is < 4]

1.Move your mouse above a Blend-Point so that the ◊ becomes red  

2.Double-click the red ◊ 'diamond' symbol at the active Blend-Point.

The Blend-Point Editor opens.

To close the Blend-Point Editor:

1.Click the button at the top and right of the Blend-Point Editor dialog-box

To undo each change you have made in the Blend-Point Editor:

1.Close the Blend-Point Editor

2.Click MotionDesigner Edit toolbar > Undo

Click the orange separators [maybe two slow clicks] to show or hide parameters.

Parameters relate only to the Active Blend-Point

Parameters are in Motion-Units

Previous / Next buttons

X-axis Values 

Motion Start : move the motion relative to the Master Machine Angle

X-axis : move the active Blend-Point to become earlier or later.

These parameters do not edit the Motion-Width - however, see Warning

See also: Blend-Point - X-axis Control

Y-Axis Values 

Edit the P V A J motion-values for the Y-axis of each motion-derivative:

End of the Previous Segment

Start of the Selected Segment

The Y-axis Control-Buttons that you can use are a function of the Motion-Law:

See also: Blend-Point - Y-axis Control