Specify the ratio of narrow bar and wide bar by integer.
(It is valid within NW-7, Code 3 of 9, Interleaved 2 out of 5 and Industrial 2 out of 5.)
nnmm
nn: Narrow bar width.
mm: Wide bar width
The ratio is 1:2.5.
BARNWRATIO 0205
0103 (1:3)
This will change barcode size. Reading test must be required with your Barcode Reader.