9Copyright © 2007 Nokia. All rights reserved.To unlock the keypad, select Unlock, andpress * within 1.5 seconds. If the Securitykeyguard is set On, enter the security code ifrequested.To unlock the keypad with the slide closed,select Unlock > OK, or open the slide toautomatically unlock the keypad.To answer a call when the keyguard is on,press the call key. When you end or rejectthe call, the keypad automatically locks.For Security keyguard, see “Phone”, p. 40.When the keyguard is on, calls still may bepossible to the official emergency numberprogrammed into your device.■ Functions without aSIM cardSeveral functions of your phone may be usedwithout installing a SIM card (for example,the data transfer with a compatible PC oranother compatible device). Note that whenyou use the phone without a SIM card, somefunctions appear dimmed in the menus andcannot be used. Synchronizing with aremote internet server is not possiblewithout a SIM card.For an emergency call, some networks mayrequire that a valid SIM card is properlyinserted in the device.
