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4 - 80 COMMAND REFERENCE
SENSe:SWEep:OFFSet:TIME
Syntax:
SENSe:SWEep:OFFSet:TIME <NRf> | MINimum | MAXimum
<NRf> The trigger delay time in seconds. A negative value
causes a pre-trigger view time, whereas a positive
value causes a post-trigger delay time.
MINimum Selects the minimum possible pre-trigger view time.
MAXimum Selects the maximum possible post-trigger delay time.
Query form:
SENSe:SWEep:OFFSet:TIME? [MINimum | MAXimum]
Response:
<NR3>
<NR3> The trigger delay time in seconds.
If MINimum was specified, the minimum pre-trigger view time is
returned.
If MAXimum was specified, the maximum post-trigger delay time is
returned.
Description:
Controls the trigger delay time for the Main Time Base sweep.The trigger delay
time may be positive (post-trigger) or negative (pre-trigger). The post-trigger
delay time delays the data acquisition after a trigger. The pre-trigger view time
allows for pre-trigger acquisition data. If the oscilloscope is in the analog mode,
error -221 "Setting conflict;Digital mode required" is generated.
After a
*
RST command, the trigger delay is set at a pre-trigger view time of
5 milliseconds (5 divisions). Because the sweep time is set to 10 ms after a
*
RST,
the trigger point is positioned in the middle of an acquisition.
Example:
Send
→ *RST Resets the instrument.
Send
→ SENSe:SWEep:TIME 5E-3 The sweep_time becomes
5 ms; MTB = 0.5 ms/div.
Send
→ SENSe:SWEep:OFFSet:TIME -0.001 The pre-trigger view time
becomes 1 ms (-2 div).
Send
→ SENSe:SWEep:OFFSet:TIME 0.001 The post-trigger delay time
becomes 1 ms (+2 div).
Front panel compliance:
The SENSe:SWEep:OFFSet:TIME command is the remote equivalent of the front
panel TRIGGER POSITION key.