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Models LB480A/LB680A USB PowerSensor+™
Product Manual PPA (Pulse Profiling Application)
Now click Center trace on marker on the toolbar and look at the screen below to see the result. Notice the time scale
has shifted and the marker is at center graticule on the display.
All Markers Off
The All Mkrs Off button on the toolbar does just that and resets all the markers 1-5. You will lose marker positioning if
you click this button.
Measurement Threshold
The marker search tool works in conjuction with the Measurement Threshold function shown below. The
Measurement Threshold sets the minimum value of the peaks considered by the marker and gate search algorithms.
The Measurement Threshold is adjustable across the limits of the dynamic range of the instrument. The default
setting is -55 dBm and the function must be enabled/disabled from the dialog box.
NOTE: The Measurement Threshold function is also used to set the lower limit of data used in gated measurements.
Revision: 08/02/11
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