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ProBio & ProFAC User Manual 1
1 Guidance Notes
1.1 Operating Environment of the Device
1) Recommended Installation Position:
2)
Several Installation Positions Affecting Application Effect:

NOTE: Reference illuminance value of the ambient light source is 0~800 LUX.
1.2 Method of Pressing Fingerprint

It is recommended to use the index finger, middle finger or ring finger ; avoid using the thumb or
little finger.
1. Correct way to press the fingerprint:
2. Wrong ways to press the fingerprint:
10 Lux
Larger than 1200 Lux 50-800 Lux
Direct sunlight
(Outdoor) Exposure to close range
lamp light (Indoor)
Direct sunlight through the
window (Indoor)
Oblique sunlight through
the window (Indoor)
√ Recommended installation position (as shown in the
left figure):
Install the device in an indoor position which is three
meters far from the window and door, and two meters far
from the lamp source, with illuminance of ambient light
source being 0~800 LUX.
Press the finger horizontally onto the fingerprint sensor; the center
of the fingerprint should be placed on that of the sensor.
Sides
Vertical