To open Nextian settings in Salesforce, go to App Launcher → Nextian Settings.
The settings page is a graphical front-end to custom settings stored in Setup → Custom Settings → Service Analyzer (the former package name), and is divided into the following tabs (using the page is preferred over modifying settings manually):
Job scheduler
Nextian uses Salesforce scheduled jobs to perform a variety of background tasks such as service renewals, generation of statistics, etc. (more →).
DocuSign
Nextian natively supports requesting digital quote signatures via DocuSign via DocuSign API (more →).
Alarm colors
Assignment of colors to severity levels for alarm visualization.
Service naming
Settings for service auto-generation and naming pattern (more →).
Triggers
Disables all Nextian triggers. This should be only used when migrating, restoring or cleaning data — triggers must be enabled for normal operation (more →).
Web browser logging
Nextian provides web browser logging to help with end-user problem diagnostics and troubleshooting (more →).
REST callout logging
Nextian provides logging of REST callouts made to systems outside Salesforce (such as DocuSign) for easy troubleshooting and debugging (more →).