This section contains information on the Controls Buttons, which include the Play and the On Air buttons.

• Clapper Board: Show or hide the Director Control Panel window

• Back: Jump to the beginning of the animation in the scene

• Play: Start the animation of the scene

• Stop: Stop the animation of the scene

• Continue: Continue the animation after it stopped at a stop point

• Render Preview: Show or hide the VGA Preview window (only available on machines with video cards).

  Note: Preview is always enabled on Viz Artist machines without a video card.

• Performance Editor: Show or hide the Performance Bar .

• System Information: Show or hide the On Air Information Panel window.

• Lens File Editor: Show or hide the Lens File Calibration Editor. Use to adjust the lens files for virtual studios. Adjust the field of view, lens distortion, mobile point and center shift. It is useful in combination with lens calibration.