Atari 1025 Field Service Manual page 25

You
are
now
ready
to
begin
testing.
The
1025
has nine different
character
command
codes. These
are broken down
into
four groups:
Character
size:
The
three
sizes of characters are
5,
10,
or 16.7
characters
per
inch.
Line
size:
The two
line size
are 6
or
8 lines
per inch of paper.
Margin
size:
The two
margin
sizes are
determined
by 64
or
80
characters
per
line.
European
characters: There
is
a
command
to
enable the
European
character
set
and another
command
to
ignore
it.
The
default
set (the one
the printer uses when
first
turned
on) consists of
10
characters per
line, 6 lines per inch, 80
columns
per
line,
and
it
ignores the European
character
set.
To
test the 1025:
1.
Type
the following
BASIC
program, making
sure that you
press the
RETURN
key
after
each
line.
If
you receive an
ERROR
message
after
pressing
RETURN,
retype
the
line
making
sure that
it is
typed exactly
like
the model
below.
10
OPEN
#1,8,0,"P"
20
DIM
A$(8)
30
?
#1:? #1
40
INPUT A$
50 IF
A$="SKIP"
THEN GOTO
30
60
?
#1 ;A$
70
FOR
X=0
TO
126
80
IF
X=27
THEN
100
90
? #1
;CHR$(X);
100
NEXT
X
110
? #1
;CHR$(127)
120
GOTO
40
2.
Type
RUN
and
press
RETURN.
3.
A
question mark
will
appear on
the screen asking
you
for
the
command
code.
4.
When
the
computer
is
ready
to
accept a
command
the white
cursor appears
to
the
right of the question mark. When
the
instructions
tell
you
to
type
in
a
certain code, refer
to the Character
Command
Code
Table on page
3-4.
Atari 1025 Printer
Field
Service Manual
3-3