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Math:fft:position, Math:fft:scale – GW Instek GDS-3000 Series Programming Manual User Manual

Page 46

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GDS-3000 Programming Manual

46

:MATH:FFT:POSition

Set

Query

Description

Sets the vertical position of the displayed FFT
result.

Syntax

MATH:FFT:POSition { | ? }

Parameter

Vertical position

-12e+0 -
+12e+0

-12 units/division to +12 units/division.

Return parameter Returns the vertical position as .

Example

:MATH:FFT:POSition -2e-1
Sets the FFT position to -0.2 divisions.

:MATH:FFT:SCALe

Set

Query

Description

Sets the vertical scale of the displayed FFT result.

Syntax

:MATH:FFT:SCALe {|?}

Parameter

Vertical scale

2e-3 ~ 1e+3 2mV~1kV

1e+0 ~ 2e+1 1~20dB

Return parameter Returns vertical scale as .

Example

:MATH:FFT:SCAle 1.0e+0
Sets the scale to 1dB.