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Eye-Diagram Analyzer Reference
Displaying Traces
To Position and
Scale Each Trace
The selected trace can be positioned vertically on the display. This is accom-
plished using the REF LEV|POS softkey to enter both the reference position and
reference level. The reference position (POS) is entered as a percentage of the verti-
cal display. The top of the screen is 100%. The bottom of the screen is 0%. The ref-
erence level (REF LEV) is the amplitude value at the reference position.
To scale and position a trace, press:
Traces, AUTO-SCALE to automatically scale the selected trace.
or
SCALE to manually set the scale.
Use the front-panel knob or numeric keypad to change the displayed vertical
scaling.
REF LEV|POS POS
to move the trace’s reference position.
Rotate the front-panel knob to change the position.
REF LEV|POS LEV
to change the reference level at the trace’s reference
position.
Rotate the front-panel knob to change the level.
To Average Trace
1
The Traces menu’s average softkey presents a menu used for controlling trace
averaging. Trace averaging keeps a running average of the measurement val-
ues on each sweep. You can set the averaging count; its default value is 16.
Trace averaging is only applied to trace 1.