User manual

Chapter 2 Command System RIGOL
DS4000E Programming Guide 2-245
:WAVeform:SOURce
Syntax
:WAVeform:SOURce <source>
:WAVeform:SOURce?
Description
Sets or queries the source channel of waveform data reading.
Parameter
Name Type Range Default
<source> Discrete {CHANnel1|CHANnel2|CHANnel3|CHANnel4|MATH|FFT} CHANnel1
Remarks
When the source channel is set to MATH or FFT, only the waveform data displayed on the screen can be
read, and the waveform data in the internal memory cannot be read in this mode.
Return Format
The query returns CHAN1, CHAN2, CHAN3, CHAN4, MATH, or FFT.
:WAVeform:STARt
Syntax
:WAVeform:STARt <start>
:WAVeform:STARt?
Description
Sets or queries the start position of waveform data reading.
Parameter
Name
Type
Range
Default
<start>
Integer
Refer to Remarks
1
Remarks
 The range of <start> is related to the current waveform data reading mode (refer to
the :WAVeform:MODE command).
NORMal mode: 1 to 1400
RAW mode: 1 to the current maximum memory depth
MAXimum mode: 1 to the number of effective points currently on the screen
 For the memory depth, refer to the :ACQuire:MDEPth command.
Return Format
The query returns an integer.