US Patent 10884592 Control of system zoom magnification using a rotatable input mechanism

An electronic device includes a display, a rotatable input mechanism, one or more processors, and memory. The electronic device displays content on the display and detects a first user input. In response to detecting the first user input, the electronic displays an enlarged view of the content that includes displaying an enlarged first portion of the content without displaying a second portion of the content. While displaying the enlarged view of the enlarged first portion of the content, in response to detecting a rotation of the rotatable input mechanism, the electronic device performs different tasks based on the operational state of the electronic device.