HP DMXTM 400/430 Operator's Manual page 51

8. In the BH position, a 3-digit number defines the printed bar
height for the field or defines a smooth font.
DMX 400/430 Operator's Manual
Creating Labels Using Internal Batach Software
For UPC/EAN bar codes, the default value is 0.80" (20
mm). For all other bar code fields, the default value is
0.40" (10 mm). For all alphanumeric fonts, the value is
set at 0.00" (0 mm). Enter the desired bar height and
press the return key. The cursor will move to the Row
position.
When a 9 is in the FNT position it designates a smooth
font. The actual point size is determined by a smooth
font value in the BH position. The font ranges are listed
in Table 3-3 below:
Smooth Font
Internal CG
Triumvirate
Table 3-3 Smooth Font Information
Valid BH
Ranges
001 to 010
41