David-Link DL=A User Manual download pdf (Page 16)

3.2.2

Incorrect

Finger

Positioning:

Vertical

Offset

Inclined

Lower

3.2.3

Tips

for

mproving

ingerprint

ead

Correction

Dirty or Dry

Finger

Clean finger with moisturizing soap or wipe

(alcohol-free wipes preferably)

Not enough

pressure

User should place finger firmly and flat on the

sensor surface.

How to select

finger?

It is recommended that you enroll the index or

middle finger. We also recommend you to enroll

your fingerprints using the left hand fingers as

their fingerprints are usually less worn or

damaged than the right hand fingerprints.

12 User Manaul

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David-Link DL=A User Manual Page 16