There are many brands of digital TV, but the methods of searching TV stations are similar. The key is to find the menu bar.
Pressing the "Menu" button in the red box refers to an audio-visual system that compresses, codes, transmits and stores moving images, sounds and data through digital technology, and sends and plays them in real time for the audience to receive/play. It is a digital system from program collection and production to program sending and receiving to user terminals.