Sony Ericsson Z1010 User Guide - Page 74

More features Timer Your phone has a built-in timer. When the signal rings, press any key to turn it off. Calculator The phone has a calculator, which can add, subtract, divide and multiply. To set the timer } Organizer } Timer and enter the number of hours, minutes and seconds after which you want the timer to go off. To use the calculator • Press or to select / x - + . or %. • Press to delete the figure. • Press to enter a decimal point. Display light The display light can be set to automatic, off or on. In automatic mode, the display light is turned off a few seconds after you last press a key. To set the display light } Settings } the Display tab } Light. Start-up screen When you turn your phone on or off, the Sony Ericsson start-up screen appears. Your network operator's own start-up screen may appear instead. You can also set your own start-up screen. To select a start-up screen 1 } Settings } the Display tab } Start-up screen. 2 Select a file for the start-up screen. SIM card lock The SIM card lock protects your subscription, but not your phone itself, from unauthorized use. If you change SIM cards, the phone still works with the new SIM card. Most SIM cards are locked at the time of purchase. If the SIM card lock is on, you have to enter a PIN (Personal Identity Number) every time you turn on your phone. If you enter your PIN incorrectly three times in a row, the SIM card is blocked. This is indicated by the message PIN blocked. To unblock it you need to enter your PUK (Personal Unblocking Key). 74 This is the Internet version of the user's guide. © Print only for private use.