ACS ACR33U-A1 SmartDuo Smart Card Reader User Manual
Page 44
ACR33U-A1 – Reference Manual
Version 1.02
www.acs.com.hk
Page 44 of 60
Where:
SW1
= 90h
SW2 (ErrorCnt)
= Error Counter. FFh indicates the verification is correct. 00h indicates
the password is locked (exceeded the maximum number of retries).
Other values indicate the current verification has failed.