Prior Scientific ProScan III Manual page 26

ProScan® III Manual
Buttons:
Stop: Press this button to stop all axis movement immediately.
Pattern: Click the 'Pattern' button the launch Pattern Manager.
Joystick: Click Joystick to launch the Joystick windows.
Menu Functions:
© Prior Scientific Instruments Ltd
4th Axis – Theta:
Displays the position of the theta insert or stage axis.
Type a angle position 0-360 degrees into the Goto box and
click Goto to move the axis to that angle.
*
Check the 'Use Y Joystick box' to enable the Y axis of the
Joystick to be used as the Theta controller.
Drag the black ball to make the axis move.
Version 1.12 June 2017 Page 24