- Open a position.
- In the grid input, on the "Edit" tab, click "Pitches":

- Choose where you want to add or edit a pitch.
- The mullions and transoms of a position are numbered. You can either use the numbering to define the start and end point of the pitch or enter the dimensions:

- Click "Apply". The pitch is shown in the position drawing.
Remove specific pitch
- In the grid input, on the "Edit" tab, click "Pitches".
- Choose where you want to remove a pitch.
- Click the "X" icon next to the pitch dimensions:

- Click "Apply".
