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194 Chapter 10
Troubleshooting
Sweep Problems
Sweep Problems
Sweep Appears to be Stalled
The current status of the sweep is indicated as a shaded rectangle in the progress bar. You can observe the
progress bar to determine if the sweep is progressing. If the sweep appears to have stalled, check the
following:
❏ Have you turned on the sweep by pressing any of the following key sequences?
Sweep/List > Sweep > Freq
Sweep/List > Sweep > Ampl
Sweep/List > Sweep > Freq & Ampl
❏ Is the sweep in continuous mode? If the sweep is in single mode, be sure that you have pressed the Single
Sweep
softkey at least once since completion of the prior sweep. Try setting the mode to continuous to
determine if the missing single sweep is blocking the sweep.
❏ Is the signal generator receiving the appropriate sweep trigger? Try setting the
Sweep Trigger softkey to Free Run to determine if a missing sweep trigger is blocking the sweep.
❏ Is the signal generator receiving the appropriate point trigger? Try setting the
Point Trigger softey to Free
Run to determine if a missing point trigger is blocking the sweep.
❏ Is the dwell time appropriate? Try setting the dwell time to one second to determine if the dwell time was
set to a value which was too slow or too fast for you to see.
❏ Do you have at least two points in your step sweep or list sweep?
Cannot Turn Off Sweep Mode
Press Sweep/List > Sweep > Off.
In the sweep mode menu you can choose to set the sweep to various sweep types or to turn sweep off.