Nokia 638 Nokia 638 User Guide in English - Page 15

Version: 0.7, Date: 11 (2) Dec. 1996 Status: ToL, JaK, JaG, SIR, JoF Keyguard The phone's keypad may be locked to prevent unintended key presses from being made when the phone is in a pocket or a bag. No security code is required to activate or deactivate the keyguard feature. To activate the keyguard: Œ Press and then . You can also activate the keyguard by pressing and holding (e.g., when ending a call). The message KEYGUARD ACTIVE remains on the display until the keyguard is deactivated. When you press a key, the phone prompts you to press the key. To deactivate the keyguard: Œ Press (at PRESS MENU prompt) and (at NOW PRESS D prompt). The message KEYGUARD OFF is briefly displayed indicating that the keyguard has now been deactivated. When the keyguard is activated: • To answer a call, press . During the call, the keypad remains unlocked and the phone can be operated in the normal way. • To end a call, press . After the call is ended, the keyguard automatically becomes active again. • The phone can not be switched off before the keyguard is deactivated. Note: When the keyguard is activated, calls may be possible to the emergency number programmed into your phone (e.g., 911 or another official emergency number). However, one-touch emergency dialing ('the 9 key') does not operate. 14 NHA-4NG Nokia 638_AU Authentication version US English 9351137 Issue 3