...
or you make settings for each scene individually with the “Maxwell Scene Preferences” from the “Icon Bar”.
Renderable
Each emitter can be excluded from the render with this switch. With “Yes” (the default setting) the node will be visible in the preview. Please note that the node's viewport visibility is not taken into consideration by default, and the “Yes” and “No” states work independently from the “Set Selected Visible” and “Set Selected Hidden” options. If you want to use the current state of visibility in the viewport for the node, choose “Same as display”.
...