Nokia 7110 User Guide - Page 78

14. Security settings Locking the keypad (keyguard) With the keypad lock (keyguard) you can temporarily lock your phone's keypad to prevent the keys from being accidentally pressed (for example, when the phone is in your pocket or in your purse). To lock the keypad: • Close the sliding cover and press Lock Keys. top of the display. appears at the To unlock the keypad: • Open the sliding cover. If you want to lock the keys without closing the slide, first press Menu and then press within three seconds. To unlock the key pad, press Unlock and then within three seconds or press OK. Note: Calls may be possible to the emergency number programmed into your phone (e.g. 112 or other official emergency number). Protecting the SIM card with the PIN code You can protect your SIM card by setting the phone to ask for your PIN code every time the phone is switched on. To do this, you need to set the menu function PIN code request (menu 4-5-1) to On. The PIN code is usually supplied with the SIM card. If not, contact your service provider. You can change your PIN code in the Change of access codes menu (4-5-6). Note: If you enter an incorrect PIN code three times in succession, the SIM card is blocked and you need to enter the PUK code to unblock the SIM card. See "Access codes". 78 ©2000 Nokia Mobile Phones. All rights reserved.