LG LG-M400DK, User Manual

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Custom-designed Features 15
• Scan only one finger for each registration. Scanning more than one
finger may affect fingerprint registration and recognition.
• The device may generate static electricity if the surrounding air is
dry. If the surrounding air is dry, avoid scanning fingerprints, or touch
a metallic object such as coin or key before scanning fingerprints to
remove static electricity.
Registering fingerprints
You can register and save your fingerprint on the device to use fingerprint
identification.
1
Tap Settings General Fingerprints & security
Fingerprints .
• This feature is available when the screen lock is activated.
- Lock the device with Knock Code, Pattern, PIN, Password and more.
• If the screen lock is not active, configure the lock screen by following the
on-screen instructions. See Configuring screen lock settings for details.
2
Locate the Power/Lock key on the back of the device and gently put
your finger on it to register the fingerprint.
• Gently press the Power/Lock key so that the sensor can recognise your
fingerprint. If you press the Power/Lock key with an excessive force, the
screen lock function may start or the screen may be turned off.
• Ensure that your fingertip covers the entire surface of the sensor of the
Power/Lock key.