Keysight E4990A - Page 581

Programming
571
:SERV:CHAN<Ch>:ATR:ACT
Type
Command/Query
Syntax
:SERVice:CHANnel<Ch>:ATRace:ACTive <Value>
:SERVice:CHANnel<Ch>:ATRace:ACTive?
Description
This command sets/gets active trace number.
Variable
Parameter Value
Description Active trace number
Data Type Long integer type (Long)
Range 1 to 4
Preset Value 1
Query Response
{numeric}<newline><^END>
Examples
Dim Var as Long
Ana.WriteString ":SERV:CHAN1:ATR:ACT"& Str(Var), True
Ana.WriteString ":SERV:CHAN1:ATR:ACT?", True
Var=Ana.ReadNumber
Equivalent Softkey
No equivalent key is available on the front panel.
COM Command Syntax (Internal Control Only)
SCPI.SERVICE.CHANNEL(Ch).ATRACE.ACTIVE
:SERV:CHAN<Ch>:ATR:COUN
Type
Query
Syntax
:SERVice:CHANnel<Ch>:ATRace:COUNt?
Description
This command returns the number of traces (one per channel).