Tektronix 2221 - Page 107

Options
and
Accessories
--
2221
Operators
Table 7-26
Display
Commands
Commands
Description
П
П
П
п
П
п 1
2221
and
2230
MESage <
NR1
>
: "
message "
Writes the
message ”
text on
the
named row
.
Values of <
NR1
>
row
numbers
are
from 16 (
the top
row ) to
1 ( the
bottom row ) .
The
normal
readout
displays are
turned off by
the
MESage
command
.
Changing a
front
-
panel
control
that
requires a
readout
overrides the
message " and
returns the
normal
readout
display .
The
MES O
command
turns off the
message
display
and also
turns the
normai
readout
displays
back on .
The
message
must be
enclosed in
quote
marks
.
The
displayed
message
lines
start at the
left
edge of
the
graticule
area
. If
longer
than
about 40
characters
,
the
message
runs off the
right edge of
the
CRT
.
If the
message is
too
long
,
it is
truncated
and
a
service
request is
issued ( if
RQS
is
ON
) .
Displaying
many
message lines can
cause display
flicker and may
exceed
the
display
memory
area
.
ALL
PLOT
Starts a plot
of the
waveform ( and
graticule if
PLOT
GRAt is on )
on the
CRT
of
the
oscilloscope .
ALL
PLOT
ABOrt
Stops
a
plot in
progress
and
returns
to
the
previous mode .
PLOT
ABOrt
is the
only
command or
query
that
the
oscilloscope
responds to
during a
plot .
п
n
п
П
2221
and
2230
PLOT
AUTO : <
ON or
OFF
>
Turns
the
AUTO
plot
mode
ON or
OFF . If
AUTO is
ON ,
each
waveform is
plotted
after
it is
acquired . The
graticule will be
plotted
once
in
AUTO , if
GRAt is ON .
ALL
PLOT
FORmat
:
< [
XY
) ,
HPG1 ,
EPS7
,
EPS8 ,
or
TJET >
Sets
the
output
data
format for
the named
plotter
.
If
one of
the named
plotters
is not
selected , the
data
is
plotted
in
the
default
XY
format .
HPGI
formats for
HP - GP
compatible
plotters .
EPS7
and
EPS8
format for 7 - bit
( low -
speed
,
double
density
)
and 8 -
bit ( high -
speed
,
double
-
density
)
EPSONO
format
printers
respectively .
TJEt
formats for the
Hewlett
-
Packard
Thinkjet
printer
.
With
Option 10
, a
GPIB
controller
may
direct
the
plotting
operation by
addressing the
plotter to
listen
and
then
addressing the
oscilloscope
to
talk
and
giving the
PLOT STArt
command
.
ALL
PLOT
GRAT : < ON
or
OFF >
Turns
the
plotted
graticule
either
ON
or OFF .
1
ALL
PLOT
SPEed
: <
NR1
>
The <
NR1 >
number
must be an
integer
from 1 to
10
and
changes the
analog
plotter pen
speed . The
units
are
roughly in
divisions per
second
.
ALL
PLOT STArt
Starts
a
plot
using
the
parameters
selected by
PLOT
FORmat
,
PLOT
GRAt
, and
PLOT
SPEed .
While a
plot is
in
progress , all
commands
and
queries (
except
PLOT
ABOrt )
are
ignored
.
Л
П
п
П
7-31