Fingerprint Reader Limitations - Toshiba Qosmio X300 Series User Manual

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Observe the following to improve the fingerprint recognition
success rate.
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(Sample Illustration) Aligning the finger on the reader

Fingerprint reader limitations

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Fingerprint Authentication Utility
Avoid the following finger conditions for enrollment or
recognition as they may result in fingerprint enrollment errors
or a drop in the fingerprint recognition success rate.
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Soaked or swollen finger (e.g., after taking bath)
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Injured finger
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Wet finger
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Soiled or oily finger
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Extremely dry skin condition on finger
Enroll two or more fingers.
Enroll additional fingers if recognition failure occurs often
using enrolled fingers.
Check your finger condition. Changed conditions, such as
injured, rough, extremely dry, wet, soiled, dirty, oily, soaked or
swollen fingers, may lower the recognition success rate. Also if
the fingerprint is worn down or the finger becomes thinner or
fatter, the recognition success rate may be lowered.
The fingerprint for each finger is different and unique. Please
ensure that only the registered or enrolled fingerprint or
fingerprints are used for identification.
Check sliding position (see illustration below).
The fingerprint reader compares and analyzes the unique
characteristics in a fingerprint. However, there may be
instances where certain users are unable to register their
fingerprints due to insufficient unique characteristics in their
fingerprints.
A warning message will be displayed when recognition is
abnormal or recognition is not successful within a fixed
duration.
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Utilities