Kathrein Euroline UFE 305/S - Manual (Page 28)

Installation menu
28
Child lock
In this menu, you can block the menus to prevent any inadvertent
wrong settings.
To activate the child lock, you must block each menu.
Attention:
Always make a note if you change the password. If you forget the
password, this will result in repair work at the factory which is not
covered by the guarantee.