Leader LV 5480, Функциональное меню пояснения

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9. EYE PATTERN DISPLAY (SER02/SER09)
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9.8.11 Turning the Peak Hold On and Off
To configure the peak hold settings, press F•4 PEAK HOLD on the JITTER SETUP menu.
EYE → F•3 JITTER SETUP → F•4 PEAK HOLD →
Figure 9-20 PEAK HOLD menu
To measure the peak values of the timing jitter (T.J) and the current jitter (C.J), follow the
procedure below.
When you set F•1 PEAK HOLD to ON, the peak values are displayed in the lower part of
the screen next to “PEAK.” The peak values are retained until you press F•2 CLEAR. If a
peak value exceeds 10.00UI, “OVER” is displayed.
Procedure
EYE → F•3 JITTER SETUP → F•4 PEAK HOLD → F•1 PEAK HOLD: ON / OFF
PEAK HOLD = ON
Figure 9-21 Peak hold display
9.8.12 Clearing the Peak Hold
When F•1 PEAK HOLD is set to ON, to clear the peak hold, follow the procedure below.
Procedure
EYE → F•3 JITTER SETUP → F•4 PEAK HOLD → F•2 CLEAR