81••••check digit transmissionYou can chose to transmit or not transmitted the check digit.Code 39 - Check digit - check digit transmission - Disable (*)425400Code 39 - Check digit - check digit transmission - Enable425401••••Barcode length••••Length mode- L1 = Codes with as many characters as specified by L1 and longer are read(L2 and L3 are not used).- L2 = Only codes that comply with the lengths specified by L1, L2, and L3 willbe read.- L3 = Codes at least the length specified by L1 and no longer than themaximum length specified by L2 are read (L3 is not used).Code 39 - Barcode length - Length mode - L1 as Minimal length (*)425300Code 39 - Barcode length - Length mode - L1, L2, L3 as fixed length425301