You can simplify layout configuration with Design mode.
To activate it, click Design mode checkbox, or hold Shift key.
The mosaic preview window will now display current grid over Station screens.
Now, when the grid is visible, you can adjust the size and position of each screen:
- Click any part of selected Station box, then drag it while holding left mouse button to change position of the box on the mosaic.
- Move mouse over the the bottom right corner of selected Station box
When resize icon appears over the grid, drag the corner while holding left mouse button to resize Station box.