IBM 4400 User Manual
Bell
119
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.
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.
NOTE: 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.
dot patterns of nonprintable characters are required.
Comment
For detailed information, see the Bit Image section in Chapter 8,
“Graphics.”
“Graphics.”
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.
Image graphics. The 9 data bit pattern is repeated 27 times.
Compare this example to the double density and quadruple
density examples.