Lenovo H200 3000 H200 User Guide - Page 34

3.5.3 Avoid making the following expressions: Laughing Raising your eyebrows Closing your eyes Looking away from the camera Looking sideways Frowning 3.5.4 Image change: Although the Lenovo VeriFace will already account for some particular situations like varying hairstyles or facial hair, some significant changes, such as shaving off a beard, can affect the accuracy of the face image verification. To avoid failed verification, register a new face image. For more information, see Register face image. 3.5.5 Light: Ensure you are in an environment with steady and even light. The following situations may affect the results: Bright light behind your head A window with bright light Bright light pointed directly at your face or the camera Insufficient, directional light, such as a reading lamp Darkness 3.5.6 Glasses: Because different glasses have different effects on light, we recommend that you to take off your glasses or wear colorless glasses with very narrow rims. Be sure to take off dark colored glasses like sunglasses or sport glasses. 3.5.7 Video camera: Be sure to use the same video camera when you log in or out. Images taken by different video cameras might produce different effects, which can cause the face verification to fail. For more detail information, please click "?" to get the help document. 3.6 Earth link (Only for The United States) Earth link will provide you an easy way to connect to the Internet. It can only be used in United States. For detail information, please read the help document of the software. User Guide 29 31035089_3000 H_UG_EN.indd 29 2008.8.27 6:05:03 PM