To change the orientation of your Samsung monitor with Tizen 2.4 or 3.0 or 4.0, you must have control of the TV. Press the HOME keys and the MENU button.
Browse through the Visualization menu in Pantalla, and then click on the Orientation of Display option. A menu will appear as the next, on the wall.
Select the Orientation of the Pantalla, choose the desired orientation, the Landscape (Horizontal) or the Vertical. As if it changes in the next image:
When there is no guidance, an image will appear confirming the changes. Here you must accept, with a YES.
Finally you can open the 4YouSee player and it will start according to the established orientation.