TaoTronics TT-BS009 - Manual (Page 78)

78
UK/Plessey
Check digit verification: The UK/Plessey has two optional check digits. The
check digit 1 and check digit 2 will be calculated as the sum module 10 or 11
of the data digits.
Enable/Disable UK /Plessey
Enable *
Disable
UK/Plessey Check Digit Verification
Enable*
Disable