NG-MB1/NG-MB2 User Manual
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If the device displays "Error! Invalid user ID", then the User ID is not yet created.
If the device instructs "Please try again", then press your finger again. You can try 2 more
times. If the verification fails after trying for 2 more times, then the device returns to the
home screen.
2.5.3 Card Number
The card number verification can be done in two ways:
1: N Verification: The device compares the card number in the card induction area with all
the card number data registered in the device; The following is the card verification screen.
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