1. Use the set of three tiny keys in the drawer labelled "kiosks" to open the case.
2. Unlock Guided Access by clicking the power button 3 times and entering the code 592001.
3. Refresh the MEWs app the way you would on a normal iPad.
4. Click the power button 3 times to enable Guided Access again so that people can't access other apps/sites.
5. Make sure the wire is plugged into the iPad so that it doesn't die.
6. If the iPad is dead, then plug in the wire and let it charge until the screen lights up.