User`s guide

218 53220A/53230A User’s Guide
6 53220A/53230A Math, Graphing, and Data Logging
When ‘Statistics’ (under the Math key) are enabled, the minimum and
maximum values from the reading statistics are used.
If readings are in progress and ‘Statistics’ are off, the instrument will select
a minimum and a maximum value from (up to) the last 10,000 readings
taken.
If no previous readings are available, a minimum bin range of 0 and a
maximum bin range of 1 000 000 000.0 are set.
Automatic Range Setting
Alternately, lower and upper range values can be set automatically based on a
minimum value and maximum value obtained from the first ‘n’ number of
readings taken.
Automatic range selection is enabled with the commands:
CALCulate2:TRANsform:HISTogram:RANGe:AUTO {OFF|ON}
CALCulate2:TRANsform:HISTogram:RANGe:AUTO? (query form)
ON - enables automatic selection of the histogram lower and upper range val-
ues.
OFF - disables automatic selection.
Following a reset (*RST) or instrument preset (SYSTem:PRESet) automatic
range selection is enabled.
The number of readings from which the minimum and maximum range values
are selected (ON) is set with the command: