Nokia 5190 Owner's Manual page 22

To lock the keys
Press Menu
To unlock the keys
Press Unlock
Notes about Keyguard
• When Keyguard is on, calls may be possible to the emer-
gency number programmed into your phone (e.g. 911 or
other official emergency number). However, one-key
emergency dialing ('the 9 key') does not operate.
• Keyguard is automatically turned off when the phone is
connected to a car kit.
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