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6.6.1 Interface Commands 159
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CRVHDR? Curve Header Query
Input
CRVHDR? <curve>[term]
Format nn
<curve>
Valid entries: 1 to 59.
Returned <name>,<SN>,<format>,<limit value>,<coefficient>[term]
Format s[15],s[10],n,+nnn.nnn,n (refer to command for description)
CRVPT Curve Data Point Command
Input
CRVPT <curve>,<index>,<units value>,<temp value>,
(optional)<curvature value>[term]
Format nn,nnn,+nnn.nnnE±nn,+nnn.nnnE±nn,+nnn.nnnE±nn
<curve>
Specifies which curve to configure. Valid entries: 21 to 59.
<index> Specifies the points index in the curve. Valid entries: 1 to 200.
<units value> Specifies sensor units for this point to 6 digits.
<temp value> Specifies the corresponding temperature in kelvin for this
point to 6 digits.
<curvature value> Specifies the curvature value scale factor used to calculate cubic
spline coeffecients to 6 digits.
Remarks Configures a user curve data point. When in 370 emulation mode, the user curves are
defined as 1 to 20 for backwards compatibility. The <curvature value> field is only
required if the curve point being loaded is used for a cubic spline interpolation curve,
and can be omitted when sending linear interpolation curves.
Example CRVPT 21,2,0.10191,470.000,N [term] —sets User Curve 21 second data point to
0.10191 sensor units and 470.000 K.
CRVPT? Curve Data Point Query
Input
CRVPT? <curve>,<index>[term]
Format nn,nnn
<curve>
Specifies which curve to query: 1 to 59.
<index> Specifies the points index in the curve: 1 to 200.
Returned <units value>,<temp value>,(optional)<curvature value>[term]
Format ±nnn.nnnE±nn,+nnn.nnnE±nn,+nnn.nnnE±nn (refer to command for description)
Remarks Returns a standard or user curve data point. The curvature value is only returned
when the curve point being queried is part of a cubic spline curve.
DFLT Factory Defaults Command
Input
DFLT 99[term]
Remarks Sets all configuration values to factory defaults and resets the instrument. The “99” is
included to prevent accidentally setting the unit to defaults.