Rigol MSO2000A Series Programming Manual page 69

2 Command System
:CALCulate:FFT:VSMode
Syntax
:CALCulate:FFT:VSMode <vmode>
:CALCulate:FFT:VSMode?
Description
Set or query the vertical scale type of the FFT operation result.
Parameter
Name Type
<vmode> Discrete
Return Format
The query returns VRMS or DBVR.
:CALCulate:FFT:VSCale
Syntax
:CALCulate:FFT:VSCale <vscale>
:CALCulate:FFT:VSCale?
Description
Set or query the vertical scale of the FFT operation result.
Parameter
Name Type
<vscale> Real
Note: For the FFT display mode, refer to the
to the :CHANnel<n>:SCALe
changed only after the MATH channel is re-activated.
Return Format
The query returns the vertical scale in scientific notation.
MSO2000A/DS2000A Programming Guide
Range
{VRMS|DB}
Range
Related to the current FFT display mode:
dB: 1 to 100
Vrms: 0.01 to 200, related to the current
channel vertical scale (from vertical
scale/128 to vertical scale*128)
:CALCulate:FFT:VSMode
command. Once you change the channel vertical scale, the range of <vscale> will be
Default
DB
Default
20dB/div
command. For the channel vertical scale, refer
RIGOL
2-53