Samsung SyncMaster 215TW - MagicRotation Display Orientation Controls; Screen Rotation by 90 Degree Increments; Rotating Display to 0 Degrees; Rotating Display to 90 Degrees

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 be rotated 90 degrees from the current angle.