SATO M-5900RV Operator And Technical Reference Manual page 231

Note that the data stream is only half as long as the hexadecimal format.
This is because we can send the binary equivalent of "11111111"
(represented above in its hexidecimal value of ..
eight bit word while it takes two eight bit words to transmit the
hexadecimal equivalent "." and ".". To send binary characters using
BASIC, the expression "CHR (&H..) will send the binary equivalent of ..
(i.e., 11111111).
<ESC>A
<ESC>L0505<ESC>H0150<ESC>V100<ESC>K1B903F
<ESC>L0505<ESC>H0600<ESC>V100<ESC>K1B903F
<ESC>L0303<ESC>H0125<ESC>V0250<ESC>MTHIS SIDE UP!
<ESC>Q1
<ESC>Z
PN 9001081
Rev. C
SATO M-5900RV Operator and Technical Reference Manual
Appendix C. Custom Characters and Graphics
), for example, using one
H
Page C-3