Tektronix DSA8300, Programmer'S Manual

Page: 174 / 455

Commands Listed in Alphabetical Order
Syntax
HIStogram:TYPE {LINEAr | LOG}
HIStogram:TYPE?
Arguments
LINEAr
speci fi es that bin counts smaller than the maximum should be scaled
linearly by dividing the bin count by the maximum bin count.
LOG
speci fi es that bin counts smaller than the maximum should be scaled
logarithmically (log (bin-count)) with log(0) staying at 0 (baseline). The
base of the log does not matter since logs to different bases differ only by a
constant multiplier. Logarithmic scaling provides better visual detail for bins
with low counts.
Examples
HISTOGRAM:TYPE LINEAR
displays the count in each bin scaled linearly.
HISTOGRAM:TYPE?
might return
HISTOGRAM:TYPE LINEAR
, indicating that
the histogram display is scaled linearly.
HIStogram:WFMDB:STATE
This command sets or queries whether the histogram counting is made on a
waveform database created on the source of the histogram. This is equivalent to
selecting or clearing the Use Wfm Database check box in the Source section of
the Histogram Setup dialog box.
Group Histogram
Syntax
HIStogram:WFMDB:STATE { ON | OFF | NR1 }
HIStogram:WFMDB:STATE?
Arguments
ON
enables histogram counting on a waveform database created on the source
of the histogram.
OFF
disables histogram counting on a waveform database; testing is done
“on the fl y.”
NR1
set to 0 disables the histogram counting on a waveform database; any
other value enables histogram counting on a waveform database.
Examples
HISTOGRAM:WFMDB:STATE ON
enables histogram counting on a waveform
database.
HISTOGRAM:WFMDB:STATE?
might return
HISTOGRAM:WFMDB:STATE 0
,
indicating that the histogram counting on a waveform database is disabled.
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