Settings 103Use tactile feedback• : Set the device to vibrate whenyou touch and draw the unlock pattern.Visible passwords• : By default, the device displays yourpassword as · for security. Set the device to display yourpassword as you enter.Use secure credentials• : Use certificates and credentialsto ensure secure use of various applications.Install from SD card• : Install encrypted certificates thatare stored on a memory card.Set password• : Create and confirm a password foraccessing credentials.Clear storage• : Erase the credential contents from thedevice and reset the password.Dual standby settingAccess and alter the settings for switching betweennetworks and register your SIM or UIM cards. ► p. 28Location & securityChange the settings for securing your device and the SIMor USIM card, and GPS functionality.Use wireless networks• : Set the device to use thewireless networking for checking locations, if supportedin an application.Use GPS satellites• : Enable the GPS functionality forchecking locations, if supported in an application. Youcan view locations at street level by using the GPS.Set unlock pattern• : Set an unlock pattern to unlock thedevice.Require pattern• : Set the device to require the unlockpattern you have set each time you turn it on. Bydoing this, you can prevent unauthorised people fromunlocking the device.Use visible pattern• : Set the unlock pattern to be visibleor invisible as you draw it.