Samsung Digital Camera User Manual (en)

Shooting options
Using face detection
When you are finished taking the photos, the face list 
Your favorite faces are indicated with a 
 on the face list.
You can register up to 8 favorite faces.
The flash option will be set to Off.
If you register the same face twice, you can delete one of the faces 
in the face list.
  Viewing your favorite faces 
In Shooting mode, press [
a “ Smart FR Edit “ Face List.
To change the ranking of the favorite faces, press [
f] and select Edit 
Ranking. (p. 81)
To cancel the favorite faces, press [
f] and select Delete. (p. 82)