1. Click on the poster of "Master Aerial Photography Class" on the homepage of cable TV to enter "Xi Hui Online HD Live Class", select the corresponding class number, and watch the HD big-screen live class.
2. After the user searches the set-top box channel again, the remote controller can directly enter the corresponding high-definition live class according to the class number under the live page. (Channel search mode: Press F2 key of the remote controller in the live interface, select the automatic search option, click Start Search, and press Exit key after the system automatically searches. )