TA Triumph-Adler DC 2325 - Manual (Page 62)

FAX Operation (Basic)
3-30 OPERATION GUIDE
When deleting registration contents
1 Press [Delete].
2 Pressing [Yes] on the deletion confirmation screen deletes the
registration contents of the One-touch key.
5 To exit from this setup, press [Close] several times until the System Menu
default screen is displayed.