The English Language Canon Powershot S90 owner’s manual / operating instructions (Canon calls it the “PowerShot S90 Camera User Guide”) is now online and available for download at Canon.com (right-click and save the user guide to your hard drive).
If the download link for the S90 user manual didn’t work for you, go to the Brochures & Manuals download section for the S90 and manually locate the file PSS90_CUG_EN_02.pdf.
Unlike with Nikon, Canon allows you to freely print the Powershot S90 owner’s handbook without building in any password protection into the PDF. There is a watermark displayed on each page though.
The file size of 179-page Canon S90 Adobe Acrobat PDF document is 7.5 MB (megabytes).
The guide discusses the features of the S90, camera settings and how to use the camera.
You’ll find details of compatible accessories for the S90 on pages 38 through 40. Two examples are: