Face RecognitionUsers can register their faces and log into their Smart Hub accounts through Face Recognition. Oneface may be registered per account. Depending on the ambient brightness level and the user's skintone, the TV may have difficulty recognizing the user's face.Operating EnvironmentThe user should be located between 1.5m and 4m from the camera. The actual recognition range mayvary depending on the camera angle and other factors.The appropriate ambient brightness is 50 to 500 lux. (100 Lux: Bathroom, 400 Lux: Living Room)Face Recognition can recognize up to 5 different users at a time. The TV may have difficultyrecognising twins and people with similar faces as two different individuals.Note the following when using Face Recognition.● Do not cover your face with a hat, a pair of sunglasses, or your hair.● The user's entire face must be visible to the camera. Avoid shadows over your face. Shadowsprevent the camera from recognising your face accurately.● Keep your expression as neutral as possible. In addition, keep your mouth closed but at the sametime as neutral as possible.● Your facial expression when logging into your Samsung account must be the same as the facialexpression during the registration process.