User's Manual

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Appendix ⅤFAQ (Frequently Asked Question)
Fingerprint authentication does not work.
What can I do?
1. On a cold day or right after you wash your hands, your
fingerprints easily get dry. And if your hands are contaminated
with dirt or dust, your fingerprints will also get dry. In these
cases, apply a moisturizer to return them to their normal
condition before trying fingerprint authentication.
2. When you have difficulties with fingerprint authentication, it is
desirable to try the verification authentication method (enter
your ID and get it compared to your original fingerprint on a 1:1
basis) rather than the identification authentication method (try
authentication without entering your ID). NAC-3000M also
supports SID that allows you to try authentication after pressing
only first 2 digits of your ID, which provides better fingerprint
recognition rate than the identification authentication method.
3. In case your fingerprint gets transformed by a wound, and thus
becomes different from the saved one, you can use a password
or an RF card as a supplementary authentication tool.
4. If you use the server authentication mode (NS mode) among
network authentication modes and the server is also used as a
personal or a business PC, the load on the PC will increase
due to the additional works other than authentication, thereby
decreasing the authentication rate. If you do not use a
dedicated NAC-3000M server, please use the terminal
authentication mode (NL mode).