With AIR³ 7.2, just click on the emergency button (bottom). With AIR³ 7.3, click and hold F1 and click F2. The first time you activate the emergency, you will reach the Emergency information window within Android. If you want to reach this window without activating the button, click to enter the settings. Then type “Emergency” in the “search settings” window. Alternatively, you can also go to Settings/About tablet/Emergency information.
Add your name and any useful information such as your blood type. Add a contact of the person that is supposed to get the message in case of emergency. You can add other contacts if you want more than one person to receive the message in case of emergency.