2. Check equipment
Once you click ‘ENTER CLASS’, Teachers are required to check the equipment for the lesson.
Then, Click “Start Testing” button
![](https://recruitment.25hoon.com/wp-content/uploads/2021/02/B.2.1-Start-Testing.png)
![](https://recruitment.25hoon.com/wp-content/uploads/2021/02/B.3-Sound-Detection.png)
Check camera and click Next
![](https://recruitment.25hoon.com/wp-content/uploads/2021/02/B.4-Camera-Detection.png)
Check your microphone setting that the gauge bar is working or not .
![](https://recruitment.25hoon.com/wp-content/uploads/2021/02/B.5-Microphone-Detection.png)
After checking microphone, please make sure all settings are working well, then, click “Enter” button
![](https://recruitment.25hoon.com/wp-content/uploads/2021/02/B.6-System-Detection.png)