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Boonton55xxx IVI Driver Reference

Btn55xxx_FetchMarkerRRatio Function
MarkerMath See Also

Return the ratio of MK2 to MK1. The units will be dB for logarithmic units or percent for linear units.

Function Tree Node: \Boonton55xxx\Instrument Specific\Channel\MarkerMeasurements\MarkerMath\Fetch MarkerR Ratio

Declaration: Btn55xxx.h

Implementation: Btn55xxx.dll

Visual C++

ViStatus Btn55xxx_FetchMarkerRRatio(
ViSession Vi,
ViConstString Channel,
ViInt32* ConditionCode,
ViReal32* Val
);

Parameters

Vi

The ViSession handle that you obtain from the IviDriver_init or IviDriver_InitWithOptions function. The handle identifies a particular instrument session.

Channel

The physical or virtual repeated capability identifier. Pass VI_NULL or empty string if operation does not apply to a repeated capability.For valid values, see the Channel repeated capability.

ConditionCode

Condition Code

Val

The ratio of MK2 to MK1

Return Value

Success or failure code.

Requirements

Supported Models

All supported

Defined Values For Parameter ConditionCode

Name	Description
BTN55XXX_VAL_COND_CODE_MEASUREMENT_STOPPED	-1 Measurement is STOPPED. Value returned is not updated.
BTN55XXX_VAL_COND_CODE_ERROR	Error return. Measurement is not valid.
BTN55XXX_VAL_COND_CODE_UNDERRANGE	An Under-range condition exists.
BTN55XXX_VAL_COND_CODE_OVERRANGE	An Over-range condition exists.
BTN55XXX_VAL_COND_CODE_NORMAL	1 Normal return. No error.

See Also

Reference

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