1, right side of the fuselage. The old Changhong TV has physical buttons, and the key of this model is easy to find. It is designed on the right side of the frame of the fuselage, and some models of TV are designed in the lower right corner, with volume increase and decrease keys, channel adjustment keys and video signal output keys.
2. At the bottom of the screen. The new smart TV usually doesn't have a physical button, but it actually has an on-off key. You can find the touchpad at the bottom of the screen and control it by touching and clicking, similar to clicking on the screen on a mobile phone. Look carefully at the bottom of the screen and find the touchpad. There will be an on-off key on it.