Salter Brecknell 1200 Series User Manual

Page 30

Model 122X MiniPrinter User’s Manual

Back Space

Code 8

Line Feed

Code 10

Upon receipt of this code, the printer erases from its
buffer the previously received character. This is
useful in correcting typing errors for programs that
send data both to a video screen and the hardcopy
printer. Remember that if you type more characters
than the printer can print on a line, the printer will
automatically start printing.

The printer handles this control code in exactly the
same manner as carriage return (control code 13)
except when a line feed immediately follows a
carriage return. The line feed code is ignored if it is
immediately preceded by a carriage return. The
default setting is 7.6 lines per inch.

Whenever a carriage return code is received, the
printer will print out the current contents of its buffer,
then clear the buffer to get ready for additional data.

This control code tells the printer to switch to the
double height character line. The control code can be
sent at any time on a line; it need not be the first code
received by the printer after a carriage return.

You cannot mix normal and double height characters
on the same line. Once you select the double height,
the printer will remain in that mode until it receives a
carriage return or line feed. A line print caused by a
buffer full condition will not clear the double height
command. This means that the “wrap around” print
line will also be double height if the double height
command was sent before the line buffer was filled.

This control code tells the printer to switch to double
width character printing. The control code should be
sent as the first character on a line. If it is received
after half the maximum characters per line were sent
then the printer will ignore all characters on the last
half of the line. You cannot mix normal and double
width characters on the same line. Once you select
the double width, the printer will remain in that mode
until it receives a carriage return or line feed. A line
print caused by a buffer full condition will not clear the
double width command. This means that the “wrap
around” print line will also be double width if the
double width command was sent before the line
buffer was filled.

Carriage Return

Code 13

Double Width

Code 15

Double Height

Code 14