Sony X85K 55" 4K HDR Smart LED TV - Manual (Page 18)

Using the Menu
18
The setting is entered and the menu returns to item
select mode.
If you press the MENU switch before pressing the
MENU control, the setting returns to the value that
was previously set and then the menu returns to item
select mode.
6
Set other menu items.
Repeat steps 2 to 5 to set other menu items.
7
End menu operations.
Press the MENU switch repeatedly until the menu
page disappears from the display.
To restore a setting to its factory default
value
Position the c mark to the left of the desired menu item,
or while the ? mark appears to the left of the menu item to
be restored, press the MENU control for two seconds or
more.