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nlscan.com
G1-G6 & FN1 substitution string setting
Format of barcode data transmission
Prefix
Code name
Preamble
Code ID
Code length
Code data
Code ID
Postamble
Suffix
Suffix string setting:
The <enter > key is represented in different ASCII when it is applied by different OS.
For a Windows/DOS OS, <enter> is represented as <CR><LF> (0x0D 0x0A); for an APPLE MAC OS,
<enter> is represented as <CR> (0x0D); for a Linux/Unix OS, <enter> is represented as <LF> (0x0A).
Prefix/Suffix string setting: & Preamble/Postamble string setting:
They are appended to the data automatically when a barcode is decoded.
Example: Add a symbol of “$” as a prefix for all symbologies.
Steps:
1) Scan SETUP and Prefix string setting barcode.
2) Use the ASCII table to find the value of $
→
24.
3) Scan 2 and 4 from the barcode on the foldout back page.
4) Scan END barcode.
Scanning steps: Scan the following barcodes in order.
Insert G1/G2/G3/G4 string setting: The scanner offers 4 positions and 4 character strings to insert
among the symbol.
Example: Set G1 string to be “AB”.
Original code data “1 2 3 4 5 6”
Output code data
“1 2 A B 3 4 5 6”
Steps:
1) Scan SETUP and Insert G1 string setting barcode.
2) Use the ASCII table to find the value of A
→
41, B
→
42.
3) Scan 4, 1 and 4, 2 from the barcode on the foldout back page.
4) Scan END barcode.
5) Refer to the chapter of G1-G4 string position & Code ID position.
6) Refer to the chapter of Hand-held scan & some global settings.
