Portable electronic device and page turning method thereof

Abstract

A portable electronic device includes a navigation key assembly, a memory unit, a processing unit and a display unit. The navigation key assembly includes a knob. The memory unit is configured to store an electronic file. The processing unit is electrically connected to the navigation key assembly and is configured to store a predetermined rotation angle within which the knob rotates, and to obtain a total page of the electronic file and a rotated angle of the knob, and to determine how many pages jumped to according to the total page, the predetermined rotation angle and the rotated angle of the knob, and to obtain corresponding contents of the page jumped to. The display unit is configured to display the corresponding contents of the page jumped to.

Dependencies are inferred from the claim text.