Commands Arranged by Topic

MSB Control

MSB is the Most Significant Bit. MSB control (ESC =, ESC >, and ESC #) does not work for graphics or user defined characters.

ESC = (equal)

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 will always be printed. ESC = can overcome this problem.

ESC >

 

Set MSB to 1

Format:

 

 

ASCII code: ESC >

Decimal:

27

62

Hexadecimal:

1B

3E

Comments:

Sets the MSB bit of all incoming data to 1.

ESC #

 

Cancel MSB Control

Format:

 

 

ASCII code: ESC #

Decimal:

27

35

Hexadecimal:

1B

23

Comments:

Cancels the MSB control set by ESC = or ESC >.

Command Summary 9-11