Once the tunnel module has been activated, ReluxDesktop can be started and the "Tunnel" button may be selected from the start menu.

The start button for a tunnel project.

The parameters in a tunnel project are controlled primarily via the scene bar "Project", "ReluxTunnel" ribbon and the tunnel bar "Properties". 

The scene bar "Project" appears automatically on the left side of the user menu once you select project. 

The tunnel bar "Properties" appears automatically on the left side as well by selecting "Properties". "ReluxTunnel" ribbon is the main tunnel calculation menu on the top of the layout.

Scene bar, tunnel bar and the ReluxTunnel ribbon.

The scene bar "Project" and tunnel bar "Properties" are auto-hide bars. 

The bars can be hidden as showed in the picture below. The "ReluxTunnel" ribbon is configurable pressing at any time with a right click in the mouse.

Scene bar "Project" and tunnel bar "Properties" hidden.

 

By way of a guide, the parameters clicked in the tunnel bar "Properties" (marked grey) are explained right at the bottom:

Explanation of the concepts in dialog windows.