Toshiba Satellite Pro U400 Manuel d'utilisateur télécharger pdf (Page 58)

User’s Manual 4-3

Operating Basics

How to swipe the finger

Using the following steps when swiping fingers for fingerprint registration or

authentication will help to minimize authentication failures:

1. Align the first joint of the finger to the center of the sensor. Lightly touch

the sensor and swipe finger levelly towards you.

2. While lightly touching the sensor, swipe the finger towards you until the

sensor surface becomes visible.

3. Ensure the center of the fingerprint is on the sensor when swiping the

finger.

Slide the finger over the recognition sensor

Points to note about the fingerprint sensor

Failure to follow these guidelines might result in (1) damage to the sensor

or cause sensor failure, (2) finger recognition problems, or lower finger

recognition success rate.

■ Do not scratch or poke the sensor with your nails or any hard or sharp

objects.

■ Do not press the sensor strongly.

■ Avoid swiping with the finger stiff or pressed-on too hard:

Fingerprint reading may fail if the center of the fingerprint is not

touching on the sensor, or when finger is swiped while pressing hard.

Make sure that the center of the fingerprint is touching the sensor

before swiping.

■ Confirm the center of the fingerprint whirl before swiping:

The thumb’s fingerprint has a bigger whirl, which is prone to

misalignment and distortions. This will cause difficulty in registration

and a drop in the authentication success rate. Always confirm the

center of the fingerprint whirl so that it is swiped along the centerline of

the sensor.

■ When fingerprint reading is not successful:

There is a possibility of authentication failures if the finger is swiped too

quickly or too slowly. Follow the onscreen instructions to adjust the

speed of the swipe.

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Toshiba Satellite Pro U400 Manuel d'utilisateur Page 58