Apparently, the only place where I've found the manual for DICOM Viewer is on the all known Scribd website. You can access the manual clicking on the following link. Make sure that you also have a PDF reader installed on your PC. Otherwise, download one from the following list.
Downloading from Scribd
To be able to download from Scribd, you need to add a science-related file to their website. Luckily, you can find plenty of these files on the Internet. Once you upload the file, the manual will be available 100 % for download.
