Tektronix 2221 - Page 119

Options and
Accessories
-- 2221
Operators
П
П
П
Table
7-30
(
cont
)
O
Commands
Description
ALL
WFMpre
BN.Fmt
:
RP
RP
is the
only
argument valid
argument . It
means
that the
binary
format
is
always right -
justified
and
consists
of
positive
binary
integers
( also
known as
unsigned
binary
integers
) .
ALL
WFMpre BYT / nr : < NR1 >
П
The
valid numbers for <
NR1 >
are 1
and 2.
Each data
point
value
is
represented
by
two bytes for for
AVErage
mode ,
only one byte in
other modes .
If two bytes
are sent ,
the most
significant
byte
is sent first .
in HEX
format
, each
data point is
represented by tow
ASCII
encoded hex
characters .
ALL
WFMpre BIT / nr : < NR1 >
The data
points
consists of either 8
or 16 bits .
NOTE
П
The
least significant
bits of a
16 - bit
waveform
may
or
may
not
be
valid ,
depending on
the
number of
acquisitions
averaged .
ALL
WFMpre CRVchk : CHKsmo
The
CHKsmo
argument
indicates
that
the
last
byte
of a
binary
curve is a
checksum . The
checksum
byte
is the
two's
complement
of
the
modulo 265
sum
of the binary
count and
curve data
bytes . It does
not
include the word and
symbol
CURVE
%
that
comes
before
the
binary count .
o
п
П
П
C
7-43