PSC QS2500 manual Data Checksum

Code 128

Read: Format:

Data Digits (Variable)

Checksum (Optional)

Checksum Verification: The checksum is presented as the sum mod 103 of all data digits.

Checksum Transmission: When this option is enabled, the QS2500 will transmit the checksum.

Maximum/Minimum Code Length: Same as Code 39. See page 35.

Truncate Leading/Ending: Same as UPC-A. See page 27.

Code ID Setting: Same as UPC-A. See page 27.

Insertion Group Selection: Same as UPC-A. See page 27.

Format: The Code 128 data string can be translated to UCC/EAN-128 format if it starts with “FNC1”. The first “FNC1” will be translated to “]C1”, and the second “FNC1” to a concatenation code “<GS>(1Dhex)”.

]C1

Data

<GS>

Data

Checksum

Append: When the function is enabled, it won't show the data immedi- ately if scanner read the barcode includes FNC2 code. It will show all data until it read a barcode, which doesn't have FNC2 code.

]C2

Data

<GS>

Data

Checksum

Concatenation Code: This feature is only used for UCC/EAN-128. The Concatenation Code is the separator character, default is <GS> (1Dhex), inserted between characters when label data is concatenated and treated as a single entry.

For example:

•UCC/EAN-128 Structure:

<start> <FNC1> <Label data 1> <FNC1> <Label data 2> <CK> <stop>

44 QS2500