Appendix–24
"Bar Code Mode
n = t0 or T0CODE 39 (default)
n = t1 or T1Interleaved 2 of 5
n = t3 or T3 FIM (US-Post Net)
n = t4 or T4 Post Net (US-Post Net)
n = t5 or T5EAN 8, EAN 13, or UPC A
n = t6 or T6UPC E
n = t9 or T9Codabar
n = t12 or T12Code 128 set A
n = t13 or T13Code 128 set B
n = t14 or T14Code 128 set C
n = t130 or T130ISBN (EAN)
n = t131 or T131ISBN (UPC-E)
n = t132 or T132EAN 128 set A
n = t133 or T133EAN 128 set B
n = t134 or T134EAN 128 set C
This parameter selects the bar code mode as above. When n is t5 or T5,
the bar code mode (EAN 8, EAN 13, or UPC A) varies according to the
number of characters in the data.