I-View FAC – 500 FingerKey Access Controller DVR - Manual (Page 70)

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4.3.1.4 Adv Option (System Advanced Option)
Function Path: Menu Options System Opt Adv Option
Note: To access Adv Option functions, user needs to enroll supervisor authority
ID.
Functions Description:
Reset Opts.: To restore all setup information to default.
Del AttLogs: To delete all flash memory logs from system.
Clear All Data: To delete all enrolling fingerprints data and logs
Clr Admin Pri: To release all enrolling authorities, all enrolling users will be
normal users.
Show Score: To set if display enrolling user’s fingerprint quality value on the
screen.
Match Thr: Match Threshold Levels, this function is to adjust system
determination value of fingerprint exactitude. The value is from 0
to 50, if supervisor sets high value of Match Thr, the system will
easily reject fingerprints which are not so clean or difficult to
identify to decrease a rate of false acceptance. However, if
supervisor sets low value of Match Thr, the system will be easier
to accept enrolling user, but if the Match Thr is set too low, the
system might recognize A enrolling user to be B enrolling user.
Only 1 to 1: To set if user needs to input the ID number to verify the
fingerprint.