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SCPI Commands for the Counter
3–86
VX4101A MultiPaq Instrument User Manual
If the hysteresis was previously set with the relative hysteresis command, the
query will calculate the hysteresis voltage to put in the output buffer by the
formula:
VH = G(VHR/A)
where
VH = comparator hysteresis that will be output for query
G = current gain setting
VHR = relative comparator hysteresis voltage previously set
A = current attenuator setting
INPut[1|2]:COMParator[1|2]:HYSTeresis:RELative?
This query places in the output buffer the selected input channel and comparator
hysteresis setting in volts. If the hysteresis was not set by the relative command,
the value returned is calculated by the formula:
VHR = A(VH/G)
where
VHR = comparator hysteresis relative to the input
A = current attenuator setting
VH = comparator hysteresis previously set
G = current gain setting
INPut1|2]:COMParator[1|2]:SLOPe?
Without one of the optional parameters, this command moves to the output
buffer the current setting of the slope of the selected input channel and compara-
tor. If the optional parameter is used the default value for slope is moved to the
output buffer.
INPut[1|2]:COUPling?
Without the optional parameter, this command moves the current setting of the
input block signal coupling for the specified channel to the output buffer. If the
optional argument DEFault is included, the default coupling is moved to the
output-buffer. The possible values returned are “AC” and “DC”.
INPut[1|2]:IMPedance?
Without the optional parameter, this command moves to the output buffer the
current setting of the input terminating impedance for the specified channel. If
the optional argument DEFault is included, the default impedance is moved to
the output-buffer. The possible values returned are 50 W or 1E6 W.