Power button: usually located on the side or back of the TV, used to turn the TV on or off.
Volume button: generally located on the side or back of the TV, used to adjust the volume.
Channel switch button: Some TV sets may be equipped with channel up and down buttons to switch TV channels.
Menu button: usually located on the side or back of the TV, used to access the TV's menu and setting options.
Direction control buttons: These buttons are usually located on the side of the TV or on the remote control, and are used to navigate and select menu items.
If you can't find the button of the TV or need more detailed instructions, please refer to the user manual of your TV or contact Xiaomi customer support, they will be able to provide accurate information and help.