ESC U

 

 

Turn Unidirectional Mode On/Off

Format:

 

 

 

ASCII code:

ESC

U

n

Decimal:

27

85

n

Hexadecimal:

1B

55

n

Comments:

The following values can be used for n:

1:Mode is turned ON. (The decimal or hexadecimal values 0

0:Mode is turned OFF. and 1 or the ASCII characters “0” and “1” can be used.)

Printing is normally bidirectional. This command selects unidirectional printing for more accurate positioning.

MSB control:

Note: MSB is the Most Significant Bit. MSB control (ESC =, ESC >, and ESC #) is not valid for graphics or user-defined characters.

ESC = (equal)

 

Set MSB to 0

Format:

 

 

ASCII code: ESC

 

Decimal:

27

61

H e x a d e c i m a l : 1 B 3 D

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.

8-10C o m m a n d S u m m a r y