The last item of the combobox found above the character table is called Favorites. It can be used to select a custom palette of up to 256 characters.
This palette is populated by right-clicking on a character and by choosing the "" item in the popup menu.
This contextual popup menu contains the following entries:
Copy to the clipboard the character upon which the user has right-clicked.
Add to the Favorites palette the character upon which the user has right-clicked.
Remove from the Favorites palette the character in which the user has right-clicked.
The quickest way to switch to the Favorites palette.
Change the font used by the Character tool. This menu item displays a dialog box allowing to choose any font present on your system. The chosen font is automatically saved as a user preference.
Revert to the font used by default by the Character tool (which is generally