RIGOL  Chapter 2 Command System 
2-18    MSO1000Z/DS1000Z Programming Guide 
:CURSor:MANual:SOURce 
:CURSor:MANual:SOURce <source> 
:CURSor:MANual:SOURce? 
Set or query the channel source of the manual cursor measurement mode. 
{CHANnel1|CHANnel2|CHANnel3| 
CHANnel4|MATH|LA} 
  Only the channel that is enabled currently can be selected. 
  When LA is selected, the cursor type cannot be set to Y (:CURSor:MANual:TYPE). 
The query returns CHAN1, CHAN2, CHAN3, CHAN4, MATH, or LA. 
:CURSor:MANual:SOURce CHANnel2 /*Set the channel source to CH2*/ 
:CURSor:MANual:SOURce?                          /*The query returns CHAN2*/ 
 
 
:CURSor:MANual:TUNit 
:CURSor:MANual:TUNit <unit> 
:CURSor:MANual:TUNit? 
Set or query the horizontal unit in the manual cursor measurement mode. 
  S: AX, BX, and BX-AX in the measurement results are in "s" and 1/|dX| is in "Hz". 
  HZ: AX, BX, and BX-AX in the measurement results are in "Hz" and 1/|dX| is in "s". 
  DEGRee: AX, BX, and BX-AX are in "degree". 
  PERCent: AX, BX, and BX-AX are expressed in percentage. 
The query returns S, HZ, DEGR, or PERC. 
:CURSor:MANual:TUNit DEGRee  /*Set the horizontal unit to "degree"*/ 
:CURSor:MANual:TUNit?                      /*The query returns DEGR*/