Turn on the TV. Aim the TV remote controller at the TV, press the menu key to bring up the menu selection of the TV, find the system settings in the menu options, and press the Enter key to enter. After entering, find the setting option of the boot channel and press Enter to enter. After entering, set the boot channel to video mode; The default is TV mode.

Digital video conversion box (STB), usually called set-top box or set-top box, is a device that connects TV sets and external signal sources. It can convert the compressed digital signal into TV content and display it on TV. Signals can come from cables, satellite antennas, broadband networks and terrestrial broadcasts. In addition to images and sounds that can be provided by analog TV, the set-top box also receives digital content, including electronic program guides, Internet pages, etc.