6 53210A Math, Graphing, and Data Logging
152 Keysight 53210A User’s Guide
Scaling function results must be in the range of
-1.0E+24 to -1.0E-24, 0.0, or
+1.0E-24 to 1.0E+24. Results outside these limits will be replaced with -9.9E+37
(negative infinity),
0, or +9.9E+37 (positive infinity).
Following a reset (
*RST) or instrument preset (SYSTem:PRESet), the scaling
function is set to
NULL.
Scale Reference Value
The
NULL, PCT, PPM, and PPB scaling functions require a reference value. For PCT,
PPM, and PPB the value cannot be ‘0’.The reference can be obtained automatically
or specified directly with the commands:
CALCulate[1]:SCALe:REFerence:AUTO {OFF|ON}
CALCulate[1]:SCALe:REFerence:AUTO? (query form)
CALCulate[1]:SCALe:REFerence {<reference>|MINimum|MAXimum|DEFault}
CALCulate[1]:SCALe:REFerence? [{MINimum|MAXimum|DEFault}] (query form)
ON
- automatically selects the first measurement as the reference for all
subsequent readings in the reading count (trigger count x sample count).
OFF
disables automatic selection and requires the reference to be specified directly.
Following a reset (
*RST) or instrument preset (SYSTem:PRESet), automatic
reference selection is enabled (
ON).
<reference> - specifies the reference value directly. The reference is used for all
readings in the reading count.
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