A different render mode can be applied to a specific viewport by selecting the Draw View Properties. In the example below, the Phong with Edges render mode was selected.

In the example below, the Model layer was dimmed in the TurboCAD Explorer and this was reflected in the Draw View frame.

Render mode Phong with Edges shown in 3D frame. Layer dimmed using TurboCAD ExplorerWindow > TurboCAD Explorer > right click on the layer color > Dimmed Layer