You can change the default size of all coda and segno symbols project-wide and independently of each other. This does not affect the size of text in repeat markers.
Procedure
- Press Ctrl/Cmd-Shift-E to open Engraving Options.
- In the category list, click Repeat Markers.
- In the Design section, change the value for Scale factor for coda symbols.
- Change the value for Scale factor for segno symbols.
- Click Apply, then Close.
Result
The size of coda and segno symbols relative to repeat marker text is changed project-wide.