RIGOL  Chapter 2 Command System 
2-224    MSO1000Z/DS1000Z Programming Guide 
:WAVeform:YREFerence? 
Query the vertical reference position of the specified channel source in the Y direction.   
The return value is related to the current data reading mode: 
In NORMal mode, YREFerence is always 127 (the screen bottom is 0 and the screen top is 
255). 
In RAW mode, YREFerence is related to the Verticalscale of the internal waveform and the 
Verticalscale currently selected.   
In MAX mode, YREFerence is always 127 (the screen bottom is 0 and the screen top is 
255) when the instrument is in running status; YREFerence is related to the Verticalscale 
of the internal waveform and the Verticalscale currently selected when the instrument is in 
stop status. 
The query returns an integer.   
 
 
:WAVeform:STARt 
:WAVeform:STARt <sta> 
:WAVeform:STARt? 
Set or query the start point of waveform data reading.   
NORMal: 1 to 1200 
MAX: 1 to the number of effective points 
currently on the screen 
RAW: 1 to the current maximum memory depth 
When reading the waveform data in the internal memory, the actual settable ranges of the 
start point and stop point of a reading operation are related to the memory depth of the 
oscilloscope and the return format of the waveform data currently selected; for the 
details, refer to the explanation in the :WAVeform:DATA? command. 
The query returns an integer.   
:WAVeform:STARt 100 /*Set the start point to 100*/ 
:WAVeform:STARt?       /*The query returns 100*/ 
:ACQuire:MDEPth 
:WAVeform:MODE 
:WAVeform:FORMat 
:WAVeform:STOP