In some cases, you might need to interact with your students on the blackboard. Before that, you should authorize them.
What features can be authorized to students?
Once authorized, students can
Use blackboard tools
Authorize/Unauthorize a single student
Find the student you want to authorize/unauthorize, and click here.
Operating in Roster is a better choice if you can't see all the students in the seating area.
Open Roster, and find the student you want to authorize/unauthorize. Click here.
Authorize/Unauthorize all students
Click 「Control」, and choose to authorize or unauthorize all students in your class.
You can also operate in Roster. Click here to authorize or unauthorize all students.