Plextor PX-712 Installation And User Manual page 88

Section 5. Advanced Features and PlexTools Professional
Figure 38: Q-Check Beta/Jitter Test window
3. Click the Preferences button to view or change the preferences. You
can change the sample length (the length of one sample), the time
length indication of the graph, and the limit of the beta measurement
scale.
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PX-712 Installation and Users Manual