Tally Genicom Matrix Printer manual General Rules for Assigning Parameters

Values of all the adjustable bar code parameters are stored in NVRAM while power is off. You can restore the bar code attributes to the factory settings by performing an ISU on the printer.

pn	Attribute
p1	style
p2	height
p3	human readable line enable
p4	narrow bar width
p5	wide bar width
p6	narrow space width
p7	wide space width
p8	N / A
p9	rotation
p10	horizontal print density
p11	check character
p12	human readable font
p13	height (in 1/24” increments)

General Rules for Assigning Parameters

You can send the sequence to modify bar code parameters any time except when bar code mode is active.

If you assign a parameter value outside the permissible range, then that parameter value reverts to the default value.

Values for narrow bars must be less than values for wide bars. Values for narrow spaces must be less than values for wide spaces. The ratio between wide and narrow elements should be about 3:1.

As with other ANSI escape sequences that take multiple parameters, you can use the semicolon as a place holder when you want to change a higher-numbered parameter while leaving lower- numbered parameters alone. For example, to set the horizontal print density to 60 dpi without changing any other bar code attributes, you could send:

ESC [;;;;;;;;;0;;}

Semicolons that trail the last specified parameter are optional. For example, to turn off the human-readable line without changing any other parameters, you could send:

ESC [;;0}

Or, you could send:

ESC [;;0;;;;;;;;;}

Note: The term “default” is misleading when applied to bar code parameters. This printer stores bar code parameters in nonvolatile RAM while power is off; except for an ISU or an out-of-range argument, you might never see the effects of the factory defaults. For this reason, your application should probably initialize all 12 parameters one time before any symbols are sent. This is particularly true when other bar code applications are sharing the printer.

7265 Programmer’s Manual	36
Copyright © 2004 TallyGenicom	Chapter 3 ANSI Bar Codes