The 4 + 4 + 2 method is a fingerprint capture technique that involves taking flat impressions of an individual's four fingers on each hand, followed by their two thumbs.
Four fingers meaning capturing slap , which have four fingers like in screenshot
2. In SDK , Select this setting for save the fingerprint and Segment the left four fingers from big slap image
3. For left hand capture : Select MODE Flat Four (L)
4. For Right hand capture : Select MODE Flat Four (R)
5. For Two Thumbs capture : Select MODE Flat Two or Flat Two Ex