FM220 User Guide Doc. FM220_Win_1.0
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9. How to care for your reader
Startek fingerprint readers do not require any special maintenance except for
occasional cleaning of the sensor window if it gets dirty. Normal oil, residue or
smudges on the sensor window should not cause problems or interfere with
scanning fingerprints. The sensor window was designed to withstand heavy use
and extreme conditions including heat and cold. It does not have any coatings that
can get damaged because it is made of a hard, quartz-like material that resists
scratches, etching, and damage from environmental elements.
If you wish to clean the surface of the sensor window
1. You can safely use a tissue, paper towel or cloth to wipe down the window. To
remove stubborn dirt, you can wipe the window with a cloth dampened with a soap
solution. Squeeze out excess liquid before wiping with the damp cloth.
2. Cleaning agents like glass cleaners and anti-bacterial wipes may be used
without harming the sensor. However, as with most plastic material, the housing of
the unit may be damaged if strong solvents, acids or caustic solutions are used.
3. Do not pour liquids directly onto the sensor or device, as the liquid might seep
into the underlying components and cause damage.
10. The Fingerprint Privacy
Fingerprint images are never stored.
Startek fingerprint recognition technology is based on minutiae, the feature points
around the core of your fingerprint. When a fingerprint is scanned, only a portion of
the minutiae are sampled, and then processed by an extraction algorithm and
converted into a template. After the template is formed, the fingerprint image is
deleted. When fingerprints are used in the form of templates, there is no need to
store fingerprint images.
Fingerprint images cannot be reconstructed from minutiae or templates.
As our database is digital minutiae information extracted by our special algorithm,
it's just a group of digits and impossible to be re-introduced or reverse engineered.
Even in case the digital information is stolen, the fully matched information does not
get authorization by STARTEK products, as in normal situations the input data
should be different every time considering some miscellaneous signals are also
inadvertently recorded in addition to the minutiae data.
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