TaoTronics TT-BS009 - Manual (Page 63)

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Interleaved 2 of 5 Check Digit Transmission
Transmit Interleaved 2 of 5 Check Digit
Do Not Transmit Interleaved 2 of 5 Check Digit *
Interleaved 2 of 5 Length
Scan Max. Code Length（2 Digits；00~99；99*）
Scan Min. Code Length（2 Digits；00~99，1*）