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Trigger
Line
Pressing this key, when it is not selected, selects the line signal as the trigger. A new sweep/measurement
will start synchronized with the next cycle of the line voltage. Pressing this key, when it is already
selected, access the line trigger setup menu.
Remote Command: :TRIGger[:SEQuence]:OFFSet <time>
:TRIGger[:SEQuence]:OFFSet?
:TRIGger[:SEQuence]:OFFSet:STATe OFF|ON|0|1
:TRIGger[:SEQuence]:OFFSet:STATe?
Example: TRIG:OFFS ON
TRIG:OFFS –100 ms
Notes: These are ESA commands for trigger offset that allowed you to use a positive
or negative delay when in zero span and in a Res BW >= 1 kHz. For ESA
compatibility, X-series analyzers keep track of this offset and adds it to the
Trigger Delay for VIDeo, LINE, EXTernal1 or EXTernal2 whenever the value
is sent to the hardware, if in Zero Span and RBW >= 1 kHz.
Preset: Off, 0 s
State Saved: Saved in instrument state
Min: –11 s
Max: +11 s
Initial S/W Revision: Prior to A.02.00
Key Path:
Trigger
Example: TRIG:SOUR LINE Swept SA measurement
TRIG:<meas>:SOUR LINE Measurements other than Swept SA
Dependencies: Line trigger is not available when operating from a "dc power source", for
example, when the instrument is powered from batteries.
State Saved: Saved in instrument state
Status Bits/OPC dependencies: The Status Operation Register bit 5 "Waiting for Trigger" is set at the same
time as the Sweeping or Measuring bit is set. It is cleared when the trigger
actually occurs (that is, after the trigger event occurs and all the applicable
trigger criteria have been met). A corresponding pop-up message ("Waiting
for trigger") is generated if no trigger signal appears after approximately 2 sec.
This message goes away when a trigger signal appears.
Initial S/W Revision: Prior to A.02.00