The PDF Viewer is a full-screen display. It is not displayed as a window size.
(1) 
Shows/hides the footer.
(2)(3) 
Enlarges or reduces the PDF.
The magnification can be set between 0.25 and 4.00. (1.00 is the 100% display)
For models that support multi-touch, you can also enlarge and reduce the PDF by pinching in and pinching out.
(4) 
Enlarges or reduces the PDF to fit the width of the screen.
(5) 
Displays the PDF to fit the display area.
(6) 
Displays the PDF at 100% magnification.
(7)(8) 
Rotates the PDF 90-degrees to the left or right.
(10) 
Displays the currently displayed page number in the PDF.
(9)(11) 
Moves to the previous page or the next page.
(12) 
Closes the PDF Viewer.
(14) 
Enter a keyword to search for in the PDF. The search results will be highlighted.
Click the icon to the right of the input window to exit the search.
You cannot use a blank space at the end of search condition.
The search target can be up to 64 single-byte characters.
(13)(15) 
Displays the search result above or below. The search results will be highlighted.
If there are no search results, nothing will be displayed.
(16)(17) 
Displays the current page number and total number of pages in the PDF.
(18) 
Displays the display magnification.