What parameters does ^BY take?

w — module (narrow bar) width in dots; r — wide-to-narrow bar ratio (2.0-3.0); unused in the preview; h — barcode height in dots

^BY — Barcode Field Defaults

Sets the module width, ratio and height for the barcodes that follow.

Syntax^BYw,r,h

CategoryBarcodes

This command is supported by the preview engine.

^BY3,2,90

^XA^PW609^LL406^FO40,60^BY3^BCN,140,Y,N,N^FDBY-DEMO-123^FS^XZ

Parameter	Description	Type
`w`	module (narrow bar) width in dots	`int`	Default: `2` · Range: `1–10`
`r`	wide-to-narrow bar ratio (2.0-3.0); unused in the preview	`str`
`h`	barcode height in dots	`int`	Default: `100` · Range: `1–32000`

Zebra ZPL II Programming Guide (P1134473-11EN), page 148.

^BC · ^BE · ^BQ · ^BX · ^B3 · ^B7 · ^B1 · ^B2 · ^B8 · ^B9 · ^BA · ^BI · ^BJ · ^BK · ^BM · ^BU · ^BR · ^B0 · ^BO · ^BF · ^BD