1. First of all, after entering the animation channel, click the remote control \"three horizontal\" menu key, click the down button, enter the child lock setting.
2. After entering the Settings, parents need to complete the corresponding math questions.
3. After completing the math problem, you can choose the timer lock screen, for example, you can choose 30 minutes.
4. Secondly, when the children finish watching the animation for 30 minutes, the screen will automatically lock the screen, indicating that the children need to rest