![Sharp Aquos R3 User Manual Download Page 131](http://html.mh-extra.com/html/sharp/aquos-r3/aquos-r3_user-manual_367103131.webp)
129
Handset Settings
[Encryption & credentials]
z
If you delete a certificate, you cannot refer to the certificate
from [Trusted credentials] but it can be referred to from other
functions. If you want to delete the certificate completely, carry
out Clear credentials.
z
If you touch [Clear credentials], settings for VPN are also deleted.
Face authentication
Face authentication is an authentication function to recognize
the face of the owner.
You can unlock the touch panel, etc.
Cautions when using face authentication function
z
To enable face authentication to be implemented in the optimal
manner, be careful with regard to the following points when
registering your face.
Register your face in a bright location. However, do not
register your face in a backlit location.
Ensure that your face is not covered by clothing, hair,
sunglasses, mask, etc.
Shoot a picture of your face while your entire face is inside the
frame of the registration area and while making sure you do
not move your head or close your eyes.
z
When performing face authentication in the lock screen, be
careful with regard to the following points.
The face authentication success rate may decrease in
extremely dark or bright locations or in backlit locations.
If your entire face or a part of your face is covered with
clothing, hair, sunglasses, mask, etc., the face authentication
success rate may decrease.
Unlocking may also be possible using a person or object that
resembles you.