Help Menu
The Help Menu is used for accessing all documentation for DS9.
New to version 2.2, DS9 documentation is in HTML format and is stored internally.
No external web browser, nor internet access is need to access the documentation.
Reference Manual
Display the Reference Manual
Command Line Options
Display all command line options
Short Cuts
Display all keyboard and mouse bindings
FAQ
Display a short discussion on common questions
Help Desk
Contact information for detailing any problems, questions, or suggestions
you may have concerning the use of DS9.