E4990A Help
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3. Click Couple to toggle ON/OFF trace coupling within the search
range.
Procedure to Set Search Range
1. Press Channel Next (or Channel Prev) and Trace Next (or Trace Prev)
to activate the trace for which you want to set the search range.
2. Press Marker Search > Search Range.
3. Click Search Range to turn ON the Partial Search feature.
4. Click Start, then enter the start value (lower limit) of the search
range.
5. Click Stop, then enter the stop value (upper limit) of the search
range.
Automatically Executing a Search (Search Tracking)
Search tracking is a function that sets a search to be repeated every time a
sweep is done even if the execution key for the search (maximum,
minimum, peak, and target) is not pressed. This function facilitates
observation of measurement results such as the maximum value of traces
(e.g., the insertion loss of a band pass filter).
Performing Search Tracking
1. Press Channel Next (or Channel Prev) and Trace Next (or Trace Prev)
to activate the trace on which you want to set up the search
tracking.
2. Press Marker Search key.
3. Click Tracking and turn the search tracking function ON/OFF.
Searching for Maximum and Minimum Values
You can search for the maximum or minimum measured value on the trace
and move a marker to that point.
Move active marker to point on the trace where
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