Samsung GT-B5510CAATUN, GT-B5510CAAABS Use the trackpad, Lock or unlock the touch screen and keys

●● Double-tap: Tap twice quickly with your finger to zoom in or out while viewing photos or web pages.

●● Your device turns off the touch screen when you do not use the device for a specified period. To turn on the screen, press [].

●● You can also adjust the backlight time. In Idle mode, open the application list and select Settings → Display → Screen timeout.

Use the trackpad

Your device’s trackpad lets you easily scroll through menu options or select items.

Control your trackpad with the following actions:

●● Drag: Tap and drag your finger up, down, left, or right to scroll through menu options.

●● Press: Press once to select a highlighted menu option or confirm an input.

For optimal use, you can set the sensitivity of the trackpad. ► p. 109

Lock or unlock the touch screen and keys

You can lock the touch screen and keys to prevent any unwanted device operations.

To lock, press []. To unlock, turn on the screen by pressing [] and then flick the window with your finger.

You can activate the screen lock feature to prevent others from using or accessing your personal data and information saved in your device. ► p. 33

Getting started

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