Sony PCV-J200 - Manual (Page 78)

VAIO® System Reference Manual 66
If you display the list of options, use the up and down arrow keys to
select an option in the list, then press Enter to choose the selection.
Press Esc to go back to the main menu.
Press F10 to save the changes and exit, or press Esc to discard the
changes.
Follow the on-screen prompts for other choices. The bottom of the screen
presents a summary of the keys to use for navigation and control.