TaoTronics TT-BS002 - Manual (Page 44)

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China post barcode MSI/PLESSEY
BC412 CODE 2 OF 6
TELEPEN
Precision definition
*Once Twice
3 Times 4 Times
Explanation：The delayed time between two data output
1. Reduce the rate of mis-decoding.
2. This option is repeating decoding times. The more decoding,
the more accurate of output information，but the time of
decoding will increase accordingly at the same time.