You can configure the phone to switch between line scrolling mode and page scrolling mode.

Line scrolling mode is a single column mode where user scrolls the lists by lines using navigation keys.

Page scrolling mode is a double column mode where use scrolls between pages with the help of Left and RIght navigation keys, and uses Up and Down navigation keys to navigate lines. When a selected line is in another page in this mode, it remains highlighted until the user manually deselects it.

You can configure this feature with the help of the 46xxsettings.txt file or through the web interface.