LG LG840 Owner's Manual - Page 20
The Screen Lock feature, Press the Unlock Key - electronics
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Phone Overview 5. When the LCD screen is off, touch keys are deactivated. Press the Unlock Key ( ) to turn on the Touch Screen and touch key. 6. The Screen Lock feature protects against accidental key presses during phone calls with the flip closed. 7. Keep metal and other conductive material away from the surface of touch keys because contact may cause electronic interference. WARNING G Do not put heavy objects on the Touch Screen. G Do not sit on your phone because it may damage the Touch Screen. G Do not drag or scratch your phone with any sharp materials. G Do not keep your phone in extreme conditions (places that are too humid, hot, or cold). G Keep chemicals away from your phone because they may change the cosmetic or functional features of your phone. Phone Overview 18