INSTRUCTIONS:     PAN Hold down both Left & Right Mouse Buttons & drag mouse up, down & sideways to pan the device.   ZOOM Hold down right button on the mouse and drag mouse to zoom in & out.     ROTATION Hold down the left mouse button and drag the mouse to rotate the device.     OPEN/CLOSE Drag the slider from left to right by holding the left mouse button to open & close the device.     RESET Click on the reset button to bring the device on its original position.