Commands Arranged by Topic
MSB Control
MSB means the Most Significant Bit. MSB control (ESC =, ESC >,
and ESC #) does not work for graphics or user-defined characters.
ESC =
Set MSB to 0
Format:
ASCII code:
ESC
Decimal:
27 61
Hexadecimal: 1B 3D
Comments:
Sets the MSB of all incoming data to 0. Some computers always
send data with the MSB set to 1, which means that italics or
character graphics are always printed. ESC = can overcome this
problem.
ESC >
Set MSB to 1
Format:
ASCII code:
ESC
Decimal:
27
Hexadecimal: 1B 3E
Comments:
Sets the MSB bit of all incoming data as 1.
ESC #
Format:
ASCII code:
ESC #
Decimal:
27 35
Hexadecimal: 1B 23
Cancel MSB Control
Comments:
Cancels the MSB control set by ESC = or ESC >.
Command Summary
9-11