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Eye-Diagram Analyzer Reference
Displaying Traces
The Persistence Submenu
Infinite Monochrome Persistence
With infinite monochrome persistence ( INFINIT), traces accumulate on the
display until persistence is turned off or the display is cleared using the Setup
menu’s CLEAR DISPLAY softkey. Press OFF to turn off infinite monochrome
persistence.
Variable Monochrome Persistence
With variable monochrome persistence ( VARIABL), older traces become dim-
mer as new traces are acquired. Traces can be one of seven different bright-
ness levels, with new traces being the brightest. After N number of sweeps (N
is set with the PERSIST SWEEPS), every trace gets dimmer by one intensity
level; traces already at the dimmest level disappear altogether. Lower values
of N work best with this type of persistence, typically values of five through
10. Press OFF to turn off this persistence.
Color Grading Persistence
With color grading persistence ( COLOR GRADING), the color of a displayed
pixel is a function of how many times a trace dot falls on that particular pixel.
There are five possible colors that a pixel can be. If a pixel has progressed to
the highest color (yellow) before N PERSIST SWEEPS have occurred, it
remains that color no matter how many more dots fall on it. After N PERSIST
SWEEPS, the color grading acquisition stops. The following list shows the
order of colors a pixel can progress through: