Described herein is a method for recognising a human head in a source image. The wire management system comprises a base socket, a cable guide assembly, and a base pivot. A cursor or a pointer displayed on a display unit is moved according to a time change in the position where the pressure is provided or the movement of the finger on the sensor side of the fingerprint sensor. The upper surface outside the hole can maintain at least a part of the immersion area outside the substrate mounted in the hole.