Samsung GT-B5512 Customised keys, Location and security

Settings
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●Optical trackpad sensitivity: Set the sensitivity of the
trackpad.
Customised keys
Assign an application to [ ] to create a shortcut. You can
launch the application by pressing [ ]. ► p. 33
Location and security
Change the settings for securing your device and the SIM or
USIM card, and GPS functionality.
Use wireless networks
●: Set to use WLAN and/or mobile
networks for finding your location.
Use GPS satellites
●: Set to use the GPS satellite for finding
your location.
Set screen lock
●: Set the unlock security code. When you
have set your security code, this option changes to Change
screen lock.
None -: Disable the screen lock.
Pattern -: Set an unlock pattern to unlock the screen.
PIN -: Set a PIN (numeric) to unlock the screen.
Password -: Set a password (alphanumeric) to unlock the
screen.
Set up SIM card lock
●:
Lock SIM card -: Activate or deactivate the PIN lock feature
to require the PIN before using the device.
Change SIM PIN -: Change the PIN used to access SIM or
USIM data.