When you click on the N-OC icon an icon window is displayed.
In order to find the Roster Gantt you need to click on the Human Resource
icon under the Editors header, which will open a new menu of icons.
Clicking on the Rosters Icon will open the Roster Gantt.
Another way to open the Roster Gantt is to use the Search function at the top after
clicking on the N-OC icon.
Here you can type Rosters and the Rosters icon will be directly available.
Clicking on the Rosters icon will open the Roster Gantt.
Yet another way to open the Roster Gantt is to use the Alt Gr-R shortcut.