Asus AP140R-E1 - Manual (Page 62)

5-6 Chapter 5: BIOS setup
5.2.4 General help
On the right side of the menu screen is a brief description of the selected
item.
5.2.5 Sub-menu
An item with a sub-menu on any menu screen is distinguished by a solid
triangle before the item. To display the sub-menu, select the item and
press Enter.
5.2.6 Scroll bar
A scroll bar appears on the right side of a menu screen when there are
items that do not fit on the screen. Press Up/Down arrow keys or
PageUp/PageDown keys to display the other items on the screen.
5.2.7 Pop-up window
Select an item in the menu, then press Enter to display a pop-up window
with the configuration options for that item.
The navigation keys differ from one screen to another.
5.2.3 Navigation keys
At the bottom of a menu screen are the navigation keys for that particular
menu. Use the navigation keys to select items in the menu and change the
settings.