A lanyard for carrying or wearing portable electronic devices is disclosed. The invention more particularly relates to the removal of undesired matter from the surface of substrates with small features, where such undesired matter may comprise organic and inorganic compounds such as particles, films from photoresist material, and traces of any other impurities such as metals deposited during planarization or etching. The page exception icon can be dragged and dropped onto objects representing pages of a document processing job to perform a page exception in accordance with the document job processing parameters pre-programmed for the page exception icon. A predictive error signal is generated representing an error between the input video signal and the prediction picture signal.