E04 Sorry, this channel is unauthorized. What should I do?

You should be talking about the integrated receiver decoder of Huxintong Zhongxing-9 satellite. The appearance of this word shows that the machine has not been seen for a long time. Solution: Turn on the receiver for a period of time when there is a signal, and wait for the authorization of the live broadcast center. You can also use WeChat to send the smart card number to the live broadcast center for direct authorization after paying attention to the official WeChat account of the live broadcast center.