There is an envelope sign above the cable TV screen. What's going on? How can I cancel it?

There is an information symbol on the TV screen, which indicates the mail sent by the cable TV network company to users.

When watching TV normally, press the "Home" button of the remote control of the TV set-top box, and then press the "Mail" button to check the mail.

After reading the email, the icon of the short message will naturally disappear. Press the "TV" key to return to the TV screen and cancel the information symbol on the TV screen.

Cable TV (CATV) is a system that transmits TV and FM radio programs directly to users' TV sets through coaxial cable. CATV is a system that directly transmits TV and FM radio programs to users' TVs through coaxial cables.