Teledyne LeCroy WaveExpert series Automation Manual - Manual (Page 81)

Chapter Three Control Reference
Sets/Queries the state of the Show Last Trace control. If True then when this trace is displayed in
persistence mode the last acquired waveform will be superimposed on the accumulating persistence
map.
See the general description above for a discussion of the locked and unlocked persistence modes.
ShowLastTrace Bool
' Visual Basic Script
Set app = CreateObject("LeCroy.XStreamDSO")
' Makes the last acquired trace invisible for the
' persistence trace of channel C1.
app.Acquisition.C1.ShowLastTrace = False
Example
Description
Sets/Queries the state of the Persistence Time control. Controls the persistence decay time for this
trace. See the general description above for a discussion of the locked and unlocked persistence
modes.
PersistenceTime Enum
' Visual Basic Script
Set app = CreateObject("LeCroy.XStreamDSO")
' Set the persistence time for the persistence trace of channel C1 to 10
seconds.
app.Acquisition.C1.PersistenceTime = "10s"
Example
Description
Values
0.5s
10s
1s
20s
2s
5s
Infinite
LabelsText
Any number of characters
String
Range
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