Samsung S5830 用户手册

•

: Set the unlock security code. When 

you have set your security code, this option changes to 

Change screen lock.

 -

: Disable the screen lock.

 -

: Set an unlock pattern to unlock the screen.

 -

: Set a PIN (numeric) to unlock the screen.

 -

: Set a password (alphanumeric) to unlock 

the screen.

•

: Set the unlock pattern to be visible 

as you draw it.
Use tactile feedback

•

: Set the device to vibrate when 

you touch and draw the unlock pattern.
Set up SIM card lock

•

:

 -

: 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.

•

: Set the length of time the device waits 

before turning off the display's backlight.
Horizontal calibration

•

: Calibrate the geomagnetic 

sensor when the compass or augment reality application 

shows incorrect information.

Change the settings for securing your device and the SIM 

or USIM card, and GPS functionality.

•

: 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.