Abstract: A control method is provided, applied to an electronic device. The electronic device includes a screen and a knob module. The control method includes: receiving a trigger signal to enable the knob module, and displaying an operating interface corresponding to the knob module on the screen according to the trigger signal, where the operating interface includes a plurality of functional regions that is arranged annularly, and the functional regions are configured to display a plurality of function options, where one of the functional regions shows a marked state; switching the functional region corresponding to the marked state according to a first input signal from the knob module; and selecting the functional region corresponding to the marked state according to a second input signal from the knob module.

Abstract: A control method is provided, applied to an electronic device. The electronic device includes a screen and a knob module. The control method includes: receiving a trigger signal to enable the knob module, and displaying an operating interface corresponding to the knob module on the screen according to the trigger signal, where the operating interface includes a plurality of functional regions that is arranged annularly, and the functional regions are configured to display a plurality of function options, where one of the functional regions shows a marked state; switching the functional region corresponding to the marked state according to a first input signal from the knob module; and selecting the functional region corresponding to the marked state according to a second input signal from the knob module.