Epson FX-80 Operation Manual page 90

ESC
=
(equal)
'Milli4 ESC
=
(equal) -
MSB =0 setting
'M.lii-M.'"
CHR$(27);" = ";
h'l.tgU.h'
Sets MSB as O.
When this code is input, the MSB of an 8-bit data input after this code
becomes O.
ti4¥it.m
ESC
>
and ESC #
3-39