6 53220A/53230A Math, Graphing, and Data Logging
228 Keysight 53220A/53230A User’s Guide
value - directly specifies the histogram lower and upper range values. The value
ranges are:
-1.0E+15 to -1.0E-15, 0.0, 1.0E-15 to 1.0E+15
The default lower and upper ranges and the ranges set following a reset (*RST) or
instrument preset (SYSTem:PRESet) are 0.0.
When setting the ranges, both a lower range and an upper range must be
specified. Any of the following steps will prevent a “settings conflict” error (e.g.
lower range greater than upper range) due to the order in which ranges are set:
– setting the upper range first
– setting both ranges on the same line programmatically
–enabling the histogram after the ranges are set
– setting the ranges automatically
Setting the bin ranges to min and max
With AutoRange Off, the Set to Min/Max softkey is another method for setting the
histogram bin ranges (lower and upper). Depending on the instrument state, Set to
Min/Max will set the ranges as follows:
– 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.
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