Rigol DS1104Z-S Plus Programming Guide

Chapter 2 Command System RIGOL
MSO1000Z/DS1000Z Programming Guide 2-97
:MATH:FFT:HSCale
Syntax
:MATH:FFT:HSCale <hsc>
:MATH:FFT:HSCale?
Description
Set or query the horizontal scale of the FFT operation result. The default unit is Hz.
Parameter
Name
Type
Range
Default
<hsc>
Real
Refer to Explanation
5MHz
Explanation
 <hsc> can be set to 1/1000, 1/400, 1/200, 1/100, 1/40, or 1/20 of the FFT sample
rate.
 When the FFT mode is set to TRACe, FFT sample rate equals to screen sample rate,
that is, 100/horizontal timebase.
When the FFT mode is set to MEMory, FFT sample rate equals to memory sample
rate (:ACQuire:SRATe?).
 You can view the detailed information of the frequency spectrum by reducing the
horizontal scale.
Return
Format
The query returns the horizontal scale in scientific notation.
Example
:MATH:FFT:HSCale 500000 /*Set the horizontal scale of the FFT operation result to
500kHz*/
:MATH:FFT:HSCale? /*The query returns 5.000000e+05*/
Related
Commands
:MATH:OPERator
:MATH:FFT:MODE
:TIMebase[:MAIN]:SCALe

Rigol DS1104Z-S Plus Specifications

General

Bandwidth	100 MHz
Sample Rate	1 GSa/s
Channels	4
Memory Depth	24 Mpts
Vertical Resolution	8 bits
Vertical Sensitivity	1 mV/div to 10 V/div
Timebase Range	2 ns/div to 1000 s/div
Waveform Record	Up to 60, 000 frames
FFT	Yes
Waveform Capture Rate	30, 000 wfms/s
Display	7-inch TFT LCD
Trigger Modes	Edge, Pulse, Video, Window, Timeout
Interfaces	USB, LAN
Serial Bus Triggering and Decoding	I2C, SPI, UART
Input Impedance	1 MΩ
Power Supply	100-240 VAC, 45-440 Hz