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After successfully add one card , why did always show "invalid card " when swipe the card to reader?
When I transfer time attendance format file, it shows nothing. How to solve it
Why does the message show "invalid card" but "Door group error" while Set Up "Door Group " function on 721H?
Why one error message "File Type didn’t Match the Target CPU,Update ISP Tools to latest version,Please!:721C" pop-up while upgrade firmware?
How to check multi-days anti-passback error record?
How to automatically change user access mode for different reader?
When I try to save the user parameter, it shows error message. How can I solve this problem?
How to automatically execute 701Client when startup 701Server?
Why I set lift control for one new card and then the other cards which have lift control function become invalid?
How to Program User Access Mode When Customer Develop Software According To Protocol of 821E-V5 & 881E-V5?
Why the detail information on 701Client will show A: On Duty?
3 Doors Interlocking Wiring for Electric Strike
How to connect Door Bell on AR-881E?
Network Troubleshooting Procedure
How to skip card checking for 821EF?
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