To add a sIte manually using Sentinel: Click on the Edit tab and Edit Favorites List. Select the favorites list and click on OK. In the left pane, click on the trunked system. Click on the Sites tab. Click on the green plus sign to add a site. Name the site. Select a site quick key, site filter and site NAC if desired. Click on the new site in the left pane. Click on the green plus sign to add as many control channel capable frequencies as required. Enter the frequencies. If using GPS, click on the Location tab and enter the Latitude, Longitude, and Range. Click on the File tab and Save. Click on the File tab and Exit. The site has now been added to the system in Sentinel.