Disclosed is a method of realizing a user menu edit function, including (a) providing a list of menu items selectable on a per mode basis, (b) receiving selection of at least one from the list of menu items input by a user, (c) applying the menu item selected by the user to a diagnostic screen application field linked to a real screen of a diagnostic apparatus, and (d) displaying the menu item selected by the user on the real screen of the diagnostic apparatus in response to the application result.
