User`s manual
5. Using the mouse, click on the are of the screen labeled:
  UP: to scroll up the menu
  DOWN: to scroll down the menu
  Left: Vertically move from one edit tab to the one to its left
  RIGHT: Vertically move from one edit tab to the one to its right. 
6. Using the mouse’s wheel, move:
  Forward: to save changes and enter from the Root menu to a sub-menu
  Backwards: to cancel changes and exit a sub-menu back to the Root menu
How to Move Around the OSD Menu
Le
Up
Down
Right
5
6
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