ZKTeco G4[QR], User Manual

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G4[QR] User Manual
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4. If the verification is failed, the error message appears as shown below:
2.6.5 Combined Verification
To increase the security, this device offers the option of using multiple forms of verification
methods. A total of 21 different verification combinations can be used, as shown below:
Note
1. “/” means “or” and “+” means “and”.
Combined verification requires users to register the information needed to complete verification.
Otherwise, users may not be able to complete the verification process. For example, when the User A
registers with his/her fingerprint data, and the system's verification mode is set as “FP + PWD”, the
user will not be able to complete the verification process.