Preview Preferences
In the Preview section of the Linotype FontExplorer X Preferences, you will find a table that defines the list of sample text lines which can be used to preview a font.
To add a sample text, click the "+" button below the table.
To remove a sample text, select the line and click the "-" button below the table.
To edit a sample text, select the line and click the "Edit" button below the table.