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Boonton55xxx IVI Driver Reference

Btn55xxx_ReadMarkerRRatio 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\Read MarkerR Ratio

Declaration: Btn55xxx.h

Implementation: Btn55xxx.dll

Visual C++

ViStatus Btn55xxx_ReadMarkerRRatio(
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.

Instrument Command

READ{Channel}:MARKer:RRATio?

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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