Pentax Optio WG-1 GPS Operating Manual page 79

Theimage a ppears onthedisplay t emporarily (Instant Review)
immediately after i t iscaptured. Ifthecamera detects thatthesubject's
eyes areclosed w hile Face Detection (p.80) isactivated, themessage
[Closed eyes have been detected] appears for3seconds (Blink
Detection).
' When the Face D etection function does n ot work, Blink D etection also
does n ot f unction. Even i fthe subject's faces are recognized, Blink
Detection may n ot f unction depending onthe conditi0n ofthe
recognized faces.
•You can also disable the Blink D etection function (p.138).