7.2 How to calibrate the card?
72 Acqiris SA240P User's Manual
The Channel.CalibrationTargetVoltage property allows to define, in volts, the channel input
level at which the noise level will be minimized by the self-calibration. This value is only used if the
property Calibration.TargetVoltageEnabled is true.
Parameter change requiring a new self calibration
The table below lists the parameters that require a new self calibration of the card when changed.
Group Category Parameter Calibration required
A
Acquisition Sampling rate
Only the 1st time, for an identical set of parameter
values
Channel parameters Vertical range
Input filter Bypass (Yes/No)
CalibrationTargetVoltage
Only if Calibration.TargetVoltageEnabled is true.
And each time this parameter changes
Offset
B Trigger Trigger source Only the 1st time
C External reference
Reference mode (External or
Internal Reference)
Each time this parameter changes
The channel parameters are calibrated independently per channel.
Driver interfaces and functions
The interfaces/methods/properties (functions/attributes) listed below are provided by the Acqiris
MD3 driver. Please refer to AqMD3.chm (IVI-C) or Acqiris.AqMD3.Fx40.chm (IVI.NET) for
detailed help.
IVI-C
Functions
AqMD3_SelfCalibrate
Attributes
AQMD3_ATTR_CALIBRATION_IS_REQUIRED
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