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Tektronix 2221
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1
Options
and
Accessories
-
2221
Operators
Table
7-29
Waveform
Commands
Commands
Description
11
ALL
.
CURVE
UU
Use
as
a
command
to
send
waveform
data
to
the
oscilloscope
.
The
DATA
TARget
command
points
to
the
reference
memory
where
the
data
is
sent
.
The
DATA
CHAnnel
command
points
to
the
channel
where
the
data
is
sent
.
(
Only
REF4
is
available
for
the
2220
and
2221.
)
The
DATa
ENCdg
command
tells
the
oscilloscope
the
format
of
the
data
(
HEX
,
BINary
,
or
ASCii
)
.
Use
as
a
query
to
get
waveform
data
from
the
oscilloscope
.
The
DATA
SOUrce
and
DATA
CHAnnel
commands
select
the
source
of
the
waveform
data
.
The
data
sent
or
received
is
in
the
form
:
C
CURVE
<
data
>
;
where
the
<
data
>
is
encoded
for
HEX
,
BINary
,
or
ASCii
in
the
following
form
:
%
<
byte
count
> <
binary
data
> <
checksum
>
for
BIN
,
#H
<
byte
count
> <
hex
data
> <
checksum
>
for
HEX
,
or
<
ascii
data
>
for
ASCii
encoding
.
C
With
ASCii
format
,
each
data
value
is
separated
by
a
comma
.
C
ALL
DATA
CHAnnel
:
<
[
CH1
]
or
CH2
>
Selects
the
channel
of
a
waveform
set
from
which
CURve
?,
WAVfrm
?,
or
WFMpre
?
query
will
return
data
.
If
there
is
no
waveform
in
the
named
channel
,
a
service
request
is
sent
when
the
data
is
requested
.
بلا
At
power
-
up
,
the
selected
channel
is
CH1
.
CH1
must
be
selected
for
an
XY
acquisition
.
-
)
U
1
C
C
C
7-38
U
비

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