In the Username box type campus\YourUsername if you are a Staff or Faculty member or student\YourUsername if you are a currently enrolled student. The direction of the slash matters. Tap on the Join button when done.
When asked to accept the BellevueCollege (bouncer1.student.bellevuecollege.edu or bouncer2.student.bellevuecollege.edu) certificate tap on the Accept button
Press the Home button to exit from the Settings application