Samsung YP-R1JCS-XAA - Manual (Page 56)

Use additional applications >
Texts
54
Use the text options
You can change settings for viewing documents in the text
viewer.
Tap the screen.
Tap from the menu tray.
Customize the following options:
Option Description
Text Viewer
Type Change the background style of the text
viewer.
Font Size
Change the size of the font displayed in
your document.