Acer Iconia B3-A20B User Manual - Page 22
Shutting down your tablet, Security Options
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22 - Using your tablet Security Options For additional security, you may set a code or number that must be entered to access the tablet, such as an unlock pattern (a set of dots that must be tapped in the correct order). Open the Application menu and tap Settings > Security > Screen lock. If you forget your unlock pattern, please refer to Unlock pattern on page 43. Shutting down your tablet If you won't use your tablet for an extended period of time, turn it off to save battery power. To turn off your tablet (even when locked), press and hold the power button until a menu displays (about one second). Tap Power off and confirm the shut down. To force a shutdown, press and hold the power button until the tablet shuts down (about four seconds). Note If your device's battery is getting too hot, you will be notified and advised to turn off the device. If you fail to turn it off, it will shut down automatically.