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40 Chapter 2
Basic Operation
Configuring the RF Output
Figure 2-3 Bandpass Filter Response on 8757D
Using Markers
1. Press
Markers.
This opens a table editor and associated marker control softkeys. You can use up to 10 different markers,
labeled 0 through 9.
2. Press
Marker Freq and select a frequency value within the range of your sweep.
In the table editor, notice how the state for marker 0 automatically turns on. The marker also appears on
the 8757D display.
3. Use the arrow keys to move the cursor in the table editor to marker 1 and select a frequency value within
the range of your sweep, but different from marker 0.
Notice that marker 1 is activated and is the currently selected marker, indicated by the marker arrow
pointing down. As you switch between markers, using the arrow keys, you will notice that the selected
marker’s arrow points down, while all others point up.
Notice also that the frequency and amplitude data for the currently selected marker is displayed on the
8757D.