Press the menu button "MENU" continuously until the "Preset" menu appears. Press the program button "P-", select "Auto Search".
The F1, F2, F3 and F4 buttons on the TV remote control are multi-functional buttons that are equivalent to shortcut buttons, i.e., by pressing these buttons, you can quickly call up the relevant functions of the TV set; the specific functions of the buttons are defined by the manufacturers of the TV sets themselves, so different brands and models of TV sets, the functions of these buttons are not quite the same.
Mobile phones can install remote control wizard and other cell phone software to do TV remote control, to control the TV, the use of methods are as follows:
1, in the application market search for the remote control, appear in the interface as shown in the figure, select a software, such as remote control wizard.
2, click to download and install, after the installation of the icon appears as shown.
3, open the software, as shown, select the TV.
4, select the model of the TV, as shown, such as Changhong TV.
5, the remote control interface appears, use the remote control to control the TV.