Union Community UBio-X Iris User Manual page 14

UBio-X Iris User Guide
Be aware of certain fingerprint conditions

Depending on the user's fingerprint condition, some fingerprints may not be used or
may cause an inconvenience.
 If the fingerprint is damaged or very unclear, it cannot be recognized. Please use
a password instead in this case.
 When a finger is dry, breathe on the finger for smooth operation.
 For kids, it may be tricky or impossible to use the terminal since their fingerprints
are too small or very unclear. It is recommended to register their fingerprints
every six months.
 For the elderly, it may not be possible to register their fingerprints if there are too
many fine lines on the fingerprints.
 It is recommended that you register more than 2 fingerprints.
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