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Hersteller: Toshiba Dateigröße: 3.98 mb Dateiname: Unterrichtssprache:

160 Toshiba Utilities Fingerprint Authentication Utility 6 7 8 Swipe your finger on the reader. A sample will be created and indicated by a Fingerprint icon. Repeat the previous step. Swipe the same finger on the reader two more times to create two more samples. The final template will be created from these three samples. NOTE If you do not use a Windows® password, you will be prompted to define a new (non-empty) one. This is not necessary, but a password improves the security of your software. If your system supports power-on security, a Power-on button is also displayed above each enrolled fingerprint. This button is shown pressed by default, indicating that your fingerprint is automatically added for power-on authentication. During fingerprint enrollment, the system displays icons as prompts, notifications, and warnings. These icons and their meanings are as follows: . Reader ready—the reader is waiting to read your fingerprint. Swipe your finger when you are ready. . Reader busy—wait for the reader to complete its operation. . Problem with operation—the reader could not read your fingerprint. Swipe your finger again. . Operation succeeded—the reader successfully read or verified your fingerprint. . Failed to verify the user—the fingerprint could not be matched. . Error reading fingerprint—the finger was too far to the left or right. Center your finger and swipe it again. . Error reading fingerprint—the movement was skewed. Swipe your finger again in a straight line. . Error reading fingerprint—the movement was too fast. Swipe your finger again at a slower speed. . Error reading fingerprint—the movement was too short. Swipe your finger again using a longer motion. Toshiba Utilities 161 Fingerprint Authentication Utility Fingerprint Logon The fingerprint utility enables logon to your computer using fingerprints. During user enrollment, fingerprint samples are saved and associated with the user’s Windows® user account. When the user attempts to log on again, the user’s fingerprint is read and compared with the user’s enrolled fingerprints; if the fingerprint is recognized, user logon is completed. The Fast User Switching feature of the Windows® operating system is also supported. If user A is logged on and the fingerprint utility verifies the fingerprint of user B (who is already enrolled), the utility recognizes the fingerprint and switches the users. If your system supports power-on security, existing fingerprint samples can be used also for power-on authentication. Power-on Security The power-on security feature prevents unauthorized access to your computer when it is turned off by requiring the user to pass fingerprint authentication. If fingerprint authentication fails, the user will not be able to start the computer. When power-on security is enabled, the system asks you to authenticate your fingerprint. You have 40 seconds to swipe your fingerprint. If the authentication fails, the system tries again up to two more times. If a...

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