TDS5000B Online Programmer Guide
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WFMOutpre:XZEro?
Description
This query--only command returns the sub--sample time between the
trigger sample (designated by PT_OFF) and the occurrence of the actu-
al trigger for the waveform specified by the DATa:SOUrce command.
This value is in units of WFMOutpre:XUNit.
An error is reported if the DATa:SOUrce waveform does not exist.
Note: During stopped state operation (i.e., ACQuire:STATE OFF), this
is the only preamble that changes on each acquisition. If a query is run
during steady state operation (that is, all control changes have settled
and triggers are arriving on a regular basis), the XZEro value of the last
stopped state is returned.
Group
Waveform Transfer
Related Commands
DATa:SOUrce, WFMOutpre:XUNit
Syntax
WFMOutpre:XZEro?
Example
WFMOutpre:XZEro?
This query might return
:WFMOUTPRE:XZERO 5.6300E-9
indicating that the trigger actually occurred 5.63 ns before the trigger
sample.
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