The user can modify the properties of HAT in the following dialog box:

Figure 1 Type A Group property page
•Reference Point: Defines the end point of cylinder body.
•Direction Point: Defines the direction point of HAT.
•Geometry Info.: Accesses the Geometry Information dialog box.
•Property Info.: Accesses the Property Information dialog box.
•Update Information Automatically: Update the properties of bodies, the properties of springs, the properties of contact, the expression of Plunger Axial force and Ball Axial force, and the Pressure Equation.
•Each Rendering: The selected mode can be displayed in Each Render mode. For more information, click here.