User Guide

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2. Select locked student(s). Right-click on one of selected icons, and
choose Unlock in the popup menu;
3. Select locked student(s) (if none is selected, default is all locked
students.). Choose Teach in the Menu Bar, then select Unlock;
4. Select locked student(s) (if none is selected, default is all locked
students.). Press “Ctrl+U” on the keyboard.
Note: 1) If clicking the Unlock button
in the lit interface, the
default is to unlock all locked students.