Rigol MSO7014 Oscilloscope

User Manual - Page 110

For MSO7014.

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RIGOL Chapter 5 To Trigger the Oscilloscope
5-24 MSO7000/DS7000 User's Guide
Polarity:
Press Polarity continuously to select the pulse polarity of Runt trigger.
Positive: triggers on the positive runt pulse.
Negative: triggers on the negative runt pulse.
Trigger Condition:
Press When and rotate the multifunction knob to set the trigger conditions of
Runt trigger. You can also press When continuously or enable the touch screen to
select it.
None: indicates not setting the trigger condition of Runt trigger.
>: triggers when the runt pulse width is greater than the lower limit of pulse
width. Press Lower to set the minimum pulse width of Runt trigger.
<: triggers when the runt pulse width is smaller than the upper limit of pulse
width. Press Upper to set the maximum pulse width of Runt trigger.
<>: triggers when the runt pulse width is greater than the lower limit and
smaller than the upper limit of pulse width. Press Upper to set the maximum
pulse width of Runt trigger. Press Lower to set the minimum pulse width of
Runt trigger.
Note: The lower limit of the pulse width must be smaller than the upper limit.
Level Selection and Adjustment of Trigger Level:
After the trigger condition setting is completed, you need to adjust the trigger level
to correctly trigger the signal and obtain a stable waveform. Press Level Select
(when "<>" is selected as the trigger condition, Level Select is a sub-menu under
More), then rotate the multifunction knob to select the desired level type for
adjustment, and then press down the knob to select the type. You can also press
Level Select continuously to select the level type or enable the touch screen to tap
the desired level type and select it.
Level A: only adjusts the upper limit of the trigger level, and the lower limit of the
trigger level remains unchanged.
Level B: only adjusts the lower limit of the trigger level, and the upper limit of the
trigger level remains unchanged.
Level AB: adjusts the upper and lower limits of the trigger level at the same time, and
the trigger level deviation (the difference between the upper limit and lower limit of
the trigger level) remains unchanged.
Note: In Runt trigger, pressing Trigger LEVEL can quickly switch the current
level adjustment type.
Rotate the Trigger
LEVEL knob to adjust the corresponding trigger level. During
the adjustment of trigger level, two trigger level lines appear on the screen, and they
move up and down with the change of the trigger level. At the same time, the
real-time trigger level information is displayed at the lower-left corner of the screen
(as shown in the figure below, H indicates the upper limit of the trigger level, L
indicates the lower limit of the trigger level, and indicates the trigger level
deviation). When you stopping modifying the trigger level, the trigger level line and
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