An image processing apparatus for transmitting plural images including an image of cover page, an image held by application software, and an image of original to be read, by facsimile transmission respectively in a mode desired by a user. The user interface system of the preferred embodiments has been specifically designed to be incorporated into an electronic device, such as the display of a mobile phone, but may be incorporated in any suitable device that interfaces with a user in both a visual and tactile manner. mapping the rotated signal Qk to a valid decision Ak out of a constellation. Then, a rear electroconductive film removing step is performed which removes the electroconductive film from the rear surface of the substrate. The appliances can be braces, polymeric shells, or other forms of orthodontic appliance. The waveguide will not produce artefacts in the CT image by scattering the X-ray, like a metal wall would do it.