Sony VGN-SZ200 - Manual (Page 114)

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Customizing Your VAIO Computer
❑ When swiping your finger across the fingerprint sensor, keep the following in mind:
❑ Place your fingertip flat in the center of the fingerprint sensor.
❑ Scan your fingerprint from the top joint of the finger to the fingertip.
❑ Swipe your finger perpendicularly across the fingerprint sensor.
❑ Keep your finger in contact with the fingerprint sensor while swiping.
❑ Let the fingerprint sensor take about one second to scan your fingerprint.
❑ It may be hard to enroll or recognize your fingerprint if your finger is:
❑ dry or wet
❑ wrinkled
❑ injured
❑ dirty
❑ The soiled fingerprint sensor may cause poor recognition performance.
❑ Wipe off the fingerprint sensor regularly with a soft cloth.
❑ Use a lens cleaning cloth when the fingerprint sensor is extremely soiled.
❑ Blow off dust with an air blower or a soft brush.