The fingerprint reader, while tolerant of residues left on the Readability) or register and use one of their other fingers. Their forehead before touching the reader (skin oils aid in

Slightly harder, hold their finger on the reader slightly longer, touch

People with difficult-to-read fingerprints may wish to press Hand-sanitizers can dry out the skin, making fingerprints harder to read.

Hygiene - Frequent hand washing or use of.

Environment - Extremely dry environments cause.

Occupation - Manual laborers can sometimes wearĭown fingerprints on one or more fingers.Įthnicities have very faint fingerprints.

Age - As people age, they lose collagen which.

Please contact us if you needįingerprint scanning is affected by a variety of factors, some that can That some applications and development kits require specific versions That are currently known to support this scanner. The DigitalPersona U.are.U 4500 Reader is compatible with many different softwareĭevelopment kits and applications. (1) These operating systems are supported by Neurotechnology SDKs.ĭevice manufacturers may have different lists of supported operating DigitalPersona U.are.U 4500 Technical Specifications

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