brace insert / delete" you will find in category in the toolbar < page >. Inserting And Deleting a Brace
The button " brace insert / delete" you will find in category in the toolbar < page >.
Mark the staves, which should be enclosed with a brace and click on button:
Reference: The polyphonic staves (merged-unified or separated) must be enclosed with brackets or braces.
To delete a brace, you must position the cursor
into the first, embraced line and click on button: