E4990A Help  
458 
:DISPlay:WINDow<Ch>:TRACe<Tr>:ACCumulate[:STATe] {ON|OFF|1|0} 
 
:DISPlay:WINDow<Ch>:TRACe<Tr>:ACCumulate[:STATe]? 
Description 
This command turn on/off the trace accumulate mode. The traces are not 
erased at each sweep and they are overwritten at each sweep. 
Variable 
Parameter  Selection Option 
Description  Status of accumulate mode 
Data Type  Boolean type (Boolean) 
Range  ON|OFF|1|0 
Preset Value  OFF 
Query Response 
{1|0}<newline><^END> 
Examples 
Dim Var as Integer 
Ana.WriteString ":DISP:WIND1:TRAC1:ACC ON", True 
Ana.WriteString ":DISP:WIND1:TRAC1:ACC?", True 
Var=Ana.ReadNumber 
Equivalent Softkey 
System > Service Menu > Accumulate 
COM Command Syntax (Internal Control Only) 
SCPI.DISPLAY.WINDOW(Ch).TRACE(Tr).ACCUMULATE.STATE 
 
:DISP:WIND<Ch>:TRAC<Tr>:ANN:MARK:POS:X 
Type 
Command/Query 
Syntax 
:DISPlay:WINDow<Ch>:TRACe<Tr>:ANNotation:MARKer:POSition:X 
<Value> 
 
:DISPlay:WINDow<Ch>:TRACe<Tr>:ANNotation:MARKer:POSition:X? 
Description