TEXIO DCS-2000E SERIES, Programming Manual

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3-5-6. :MATH:DUAL:SCALe
Set
Query
Description Sets the vertical scale of the displayed math result.
Syntax :MATH:DUAL:SCALe {<NRf> | ?}
Parameter <NRf> Vertical scale
Return parameter <NR3> Returns the scale.
Example :MATH:DUAL:SCALe 2.0E-3
Sets the vertical scale to 2mV/2mA.
3-5-7. :MATH:FFT:SOURce
Set
Query
Description Sets and queries the FFT math source.
Syntax :MATH:FFT:SOURce { CH1 | CH2 | CH3 | CH4 | REF1
| REF2 | REF3 | REF4 | FUNCtion | ? }
Related commands :MATH:ADVanced:EDIT:SOURce<X>
:MATH:ADVanced:EDIT:OPERator
Parameter CH1~4 Channel 1 to 4
REF1~4 Reference waveform 1 to 4
FUNCtion F(X) waveform
Return parameter Returns the FFT source.
Example :MATH:FFT:SOURce CH1
Sets the FFT math source as channel 1.
3-5-8. :MATH:FFT:MAG
Set
Query
Description Sets FFT vertical units as linear or decibels.
Syntax :MATH:FFT:MAG {LINEAR | DB | ?}
Parameter LINEAR Linear units (Vrms)
DB Logarithmic units (dB)
Return parameter Returns the FFT vertical units.
Example
:MATH:FFT:MAG DB
Sets FFT vertical units to dB.