68Screen SecurityThe Screen Lock settings provide access to additional security features that enable you toprevent an unauthorized person from unlocking the touch screen and accessing the terminal.Select from five security options: None, Slide, Pattern, PIN or Password.To enable a screen lock:Touch on Pattern, PIN or Password to access additional dialogue screens that stepyou through setting up or updating the security feature.To disable a screen lock:Touch Security from the Settings screen. Select Screen Lock, and then enteryour existing Pattern, PIN, or Password. Touch Next and then select None toremove the security setting.Once you have established a screen lock, additional settings may appear under the ScreenSecurity heading depending on the type of security you implemented. The additional settingsallow you to adjust the time increment for the screen to Automatically lock after entering.Turn On Power button instantly lock to lock immediately on power ON.The Owner Info setting allows you to designate custom text you want displayed on the lockscreen. You can also disable owner information from displayingSIM card lockTouch Set up SIM card lock to establish or modify a SIM card PIN so unauthorizedindividuals cannot use the terminal as a phone or modify data on the SIM cardPasswordsTouch the Make passwords visible checkbox to toggle between hiding or showingpasswords as you type.Device AdministrationThe Device administrators screen lists all applications that have been given authorization toact as a device administrator, which is often required when you set up accounts that