Included is the core User Manual, Reports Guide, Scripting Guide and several video tutorials. Don't forget to try out the built-in keyword search engine to find topics of interest.
Visit this dedicated help site using the hyperlink above or click on a help link from within Device Manager. If "?" help icons are not present in your instance of Device Manager, please open a ticket with Support to address this.
Other downloadable guides are available at the bottom of this article. (See Attachments).