Bell

Bell

ASCII Code BEL

Hex Code 07

Dec Code 7

Purpose Sounds the printer's buzzer/beeper.

Comment The BEL function sounds the buzzer/beeper for 0.2 seconds upon receipt of this command.

Bit Image Mode, Single Density

ASCII Code ESC K n1 n2

Hex Code

1B 4B n1 n2

Dec Code

27 75 n1 n2

Purpose

Selects Single (Normal) Density Bit Image graphics.

where:

(n1 + 256n2) define the number of data bytes to follow.

 

DATA = ASCII characters for the dot pattern bytes.

 

The DATA can be expressed in a format with the appropriate

 

decimal values of the ASCII characters supplied especially in

 

cases where the dot patterns of nonprintable characters are

 

required.

Comment

For detailed information, see the Bit Image section in Chapter 8.

Example

The following example produces a pattern of Single Density Bit

 

Image graphics. The 9 data bit pattern is repeated 27 times.

 

Compare this example to the double density and quadruple

 

density examples.

81

Page 81
Image 81
IBM 4400 manual Bit Image Mode, Single Density, Bell, Ascii Code ESC K n1 n2 Hex Code