Toshiba Tecra C40-D1412 Users Guide for Portege R30-D and Tecra C40-D/A40-D - Page 75

Optical disc drive, Formats

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Remove static electricity from your fingers by touching any metal surface. Static electricity is a common cause of sensor failures, especially when the weather is dry. Clean the sensor with a lint-free cloth. Do not use detergent or any other chemicals to clean the sensor. Avoid the following finger conditions for enrollment or recognition as they might result in fingerprint enrollment errors or a drop in the fingerprint recognition success rate Soaked or swollen finger, for example as might occur after taking a bath. Injured finger Wet finger Soiled or oily finger Extremely dry skin condition on finger Observe the following to improve the fingerprint recognition success rate. Enroll two or more fingers. Enroll additional fingers if a recognition failure often occurs when using already enrolled fingers. Check the condition of your finger. Any conditions which have changed since enrollment, such as injury, rough skin, and extremely dry, wet, soiled, dirty, oily, soaked or swollen fingers, might lower the recognition success rate. Also if the fingerprint is worn down or the finger becomes thinner or fatter, the recognition success rate might be lowered. As the fingerprint for each finger is different and unique you should ensure that only the registered or enrolled fingerprint or fingerprints are used for identification. The fingerprint sensor compares and analyzes the unique characteristics in a fingerprint. However, there might be instances where certain users are unable to register their fingerprints due to insufficient unique characteristics in their fingerprints. The recognition success rate might differ from user to user. Optical disc drive For R30-D/A30-D: Some models are equipped with a DVD Super Multi drive or Blu-ray™ Writer drive. When the computer is accessing an optical disc, the indicator on the drive glows. For A40-D: Some models are equipped with a DVD Super Multi drive. Formats The drives support the following formats. DVD Super Multi drive The drive supports the following formats: CD-ROM, DVD-ROM, DVDVideo, CD-DA, CD-Text, Photo CD™ (single/multi-session), CD-ROM User's Manual 4-9

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Remove static electricity from your fingers by touching any metal
surface. Static electricity is a common cause of sensor failures,
especially when the weather is dry.
Clean the sensor with a lint-free cloth. Do not use detergent or any
other chemicals to clean the sensor.
Avoid the following finger conditions for enrollment or recognition as
they might result in fingerprint enrollment errors or a drop in the
fingerprint recognition success rate
Soaked or swollen finger, for example as might occur after taking
a bath.
Injured finger
Wet finger
Soiled or oily finger
Extremely dry skin condition on finger
Observe the following to improve the fingerprint recognition success rate.
Enroll two or more fingers.
Enroll additional fingers if a recognition failure often occurs when using
already enrolled fingers.
Check the condition of your finger. Any conditions which have
changed since enrollment, such as injury, rough skin, and extremely
dry, wet, soiled, dirty, oily, soaked or swollen fingers, might lower the
recognition success rate. Also if the fingerprint is worn down or the
finger becomes thinner or fatter, the recognition success rate might be
lowered.
As the fingerprint for each finger is different and unique you should
ensure that only the registered or enrolled fingerprint or fingerprints
are used for identification.
The fingerprint sensor compares and analyzes the unique
characteristics in a fingerprint. However, there might be instances
where certain users are unable to register their fingerprints due to
insufficient unique characteristics in their fingerprints.
The recognition success rate might differ from user to user.
Optical disc drive
For R30-D/A30-D:
Some models are equipped with a DVD Super Multi
drive or Blu-ray™ Writer drive. When the computer is accessing an optical
disc, the indicator on the drive glows.
For A40-D:
Some models are equipped with a DVD Super Multi drive.
Formats
The drives support the following formats.
DVD Super Multi drive
The drive supports the following formats: CD-ROM, DVD-ROM, DVD-
Video, CD-DA, CD-Text, Photo CD™ (single/multi-session), CD-ROM
User's Manual
4-9