Nokia 6820 User Guide 19 Copyright © Nokia 2004Phone basics• KEYPAD LOCK (KEYGUARD)The keyguard feature locks the keypad to prevent the keys from being accidentally pressed.You can lock the keypad only when the keyboard is closed.Security keyguard is an additional feature that allows you to set up a code to unlock yourphone before use. For information on security keyguard, see “Phone settings” on page 54.Note: When keyguard is on, calls may be possible to the emergency numberprogrammed into your phone. Key in the emergency number and press the Talk key. The number is displayed only after you have keyed in its last digit.LOCK THE KEYPAD• In the standby mode, select Menu; then press the * key within 1.5 seconds.• To lock the keypad during a call, select Options > Lock Keypad.• To answer a call when keyguard is on, press the Talk key. During the call, the phone canbe operated normally. When you end or reject the call, the keypad automatically locks.UNLOCK THE KEYPADSelect Unlock; then press the * key within 1.5 seconds, or open the keyboard. The keyguarddoes not automatically reactivate when you close the keyboard.• OVER-THE-AIR SETTINGS SERVICETo use wireless services such as MMS and EGPRS, you need to have proper connection settingson your phone. These settings may have already been set up by your service provider. If not,you may obtain the settings directly as an OTA message, and save them on your phone. Formore information, contact your service provider.You may be able to receive the connection settings for EGPRS, multimedia messages,synchronization, e-mail, and multimode browser.When you have received the connection settings as an OTA message, Connection settingsreceived is displayed.• To save the settings, select Options > Save. If the phone prompts you to enter the PINcode for the settings, key in the PIN code and select OK. To obtain the PIN code, contactthe service provider that supplies the settings. If no settings have been saved yet, thesettings are saved under the first free connection set.• To view the received settings first, select Options > View. To save the settings, select Save.• To discard the received settings, select Options > Discard.To activate the settings, see “Connect to a service” on page 76.