Printronix ThermaLine Series manual User±Defined Variable Bar Code Ratios RDratio

User±Defined Variable Bar Code Ratios [R[D]ratio]

The user±defined variable ratio for bar codes is an optional parameter. The default ratios shown in Table 5±2 through Table 5±9 are overridden by the variable ratio feature. Four- and eight-digit ratios can be used, depending upon the bar code selected. Ratio data must be decimal values greater than 0. Enter R, followed by the actual bar code ratio. A colon must separate each element of the ratio.

Like standard bar code ratios, user±defined ratios are also interpreted from left to right, measuring the size of each bar or space, in dot width, in the following pattern: narrow bar : narrow space : wide bar : wide space. Either enter four or eight values depending upon the bar code type.

If the `D' parameter is specified, the ratios are represented in printer dots instead of IGP PGL dots (60 x 72 dpi).

NOTE: The IGP/PGL does not verify that ratio data creates acceptable wide/narrow element relationships for bar code readability. When designing unique ratio data, carefully plot wide and narrow ratios to conform to readable bar codes.

Table 5±2. T3306 & T3308 Binary Bar Code Sizes (Normal & Inverted Drawing)

5±4 Bar Codes