Find SET gxWindow "0" and change it to SET gxWindow "1" if you also want it maximized (this will be on your primary monitor) find SET gxMaximize "0" and change that to SET ...
Tried and tested, the Xpelair GX6, GX9 and GX12 window fans have remained a byword for window fans for over forty years. The latest GX range is no exception, continuing that ...