Need to know how something works and you've lost your manual? Get some of the manuals here! Portable Document Format (PDF) documents can be read with Adobe Acrobat Reader software. Important ! We recommend that you download the large PDF files that are available from this site and view them off-line. [ To view the contents of a file ] 1. Align your mouse pointer with the link to the PDF file that you want. 2. If you are running Windows, right-click your mouse. If you are on a Macintosh, hold down your mouse button. 3. On the menu that appears, select [Save as] to download the file to your computer. 4. Open the downloaded file to view its contents. The PDF manual has been divided among a number of files. You can download the entire manual, or you can check the contents of the files and then download only the ones you need. EX-S20U/EX-M20U • Documentation Files(PDF:40.2 KB)   • File 1(PDF:781 KB)   • File 2(PDF:1.01 MB)   • File 3(PDF:980 MB)   • File 4(PDF:884 KB)   • File 5(722 KB)