Sony VAIO VGN-AX500G Series, Руководство пользователя

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