Commands Listed in Alphabetical Order
you must use one
of the binary encodings. If ASCII is the value, then
BN_Fmt
and BYT_Or are ignored.
FAStest specifies the encoding which results in the fastest waveform
data transfer rate. This sets the following:
WFMOutpre:ENCdg BINary,
WFMOutpre:BIN_Fmt RI
and WFMOutpre :BYT_Or MSB.
RIBinary
specifies the signed integer data point format, with the most significant
byte transferred first.
When
DATa:WI
DTH
is set to 1, the range is from -128 through 127. When
DATa:WIDTH is 2, the range is from -32,768 through 32,768. Center screen
is 0 (zero). The upper limit is the top of the screen and the lower limit is
the bottom of the screen. The default encoding is RIBINARY. This sets the
following:
WFMOutpre:ENCdg BINary, WFMOutpre:BN_Fmt RI and
WFMOutpre:BYT_Or MSB.
RPBinary
specifies the positive integer data-point representation, with the most
significant byte transferred first.
When
BYT_Nr is 1, the range of data values is 0 through 255. When BYT_Nr
is 2, the range of data values is 0 to 65,535. The center of the screen is 127
for 1-byte data and is 32768 for 2-byte data. The upper limit is the top of
the screen and the lower limit is the bottom of the screen. This sets the
following:
:WFMOutpre:ENCdg BINary,:WFMOutpre:BN_Fmt RP and
WFMOutpre:BYT_Or MSB.
SRIbinary
specifies the signed integer format. It is the same as RIBinary
except that the byte order is swapped, meaning that the least significant byte
is transferred first. This sets the following:
WFMOutpre:ENCdg BINary,
WFMOutpre:BIN_Fmt RI
and WFMOutpre:BYT _Or LSB.
SRPbinary
specifies the positive integer format. It is the same as RPBinary
except that the byte order is swapped, meaning that the least significant byte
is transferred first. This sets the following:
WFMOutpre:ENCdg BINary,
WFMOutpre:BN_Fmt RP
and WFMOutp re:BYT_Or LSB.
FPbinary
specifies floating point binary. It automatically forces DATa:WIDTH to
4and
BYT_OR to MSB (most significant byte transmitted first). This argument
only applies to the frequency domain waveforms (MDO4000/B/C models only).
SFPbinary specifies floating point binary. It automatically forces DATa:WIDTH
to4a
nd
BYT_OR to LSB (least significant byte transmitted first). This argument
only applies to the frequency domain waveforms (MDO4000/B/C models only).
Table 2-
53: DATa and WFMOutpre Parameter Settings
WFMOutpre Settings
DATa:EN
Cdg
Setting :ENCdg :BN_Fmt :BYT_Or :BYT_NR
ASCii ASC N/A N/A
1,2,4,
8
FAStest
BIN RI
MSB
1,2
2-276 MDO4000/B/C, MSO/DPO4000B and MDO3000 Series Oscilloscopes Programmer Manual
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