. Play Sound: Use this to play a sound on the iPad, great for locating the tablet when you're sure it's somewhere within earshot. Lost Mode: The Lost Mode option not only locks the iPad, but you can also type a message that will be displayed on the iPad's screen.
Use this option if you've left the iPad at a restaurant, mall, or some other establishment and want to a) protect it from being used and b) let anyone that finds it know your phone number and/or, home address, etc., so that they can arrange to get it back to you. Erase iPad: This action is used when you know you will not get the iPad back and want to make sure all of the data on it is erased. Another reason to use the Erase iPad option is when you need to reset your iPad without plugging it into a computer, like if it keeps freezing up.
Here's how to find saved PDF files on an iPad: From the iPad's home screen, tap iBooks to open it. Tap the Collections button in the top left corner, as shown below. The saved PDF files will appear, as shown below. By the way, you can always tell what collection you're in by looking at the top of the iBooks window.