Apple Express Fax/Modem - Manual (Page 37)

6 To fill in sender information, click the Cover Info button.
Type information about yourself in the Cover Info dialog box. To move from
field to field, use the Tab key. The information you type here will appear on
your fax cover page.
25 E X P R E S S F A X Q U I C K S T A R T
The Station ID can be any combination of letters and
numbers you wish to identify your fax with.
Type any special messages in the Notes field.