Samsung 204B - Manual (Page 56)

Overview | Installation | Interface | Uninstall | Troubleshooting
Interface
The Menu on task bar Menu pop up at the mouse right button click.
Rotate : Display will get rotated by the unit of 90 degree
Rotate to 0 : Display will get rotated to 0 degree from the current angle of rotation.
Rotate to 90 : Display will get rotated to 90 degree from the current angle of rotation.