Rigol MSO5000 Series, Руководство пользователя

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Chapter 5 To Trigger the Oscilloscope
RIGOL
MSO5000 User's Guide 5-25
the specified trigger level range is equal to the window time. When this type is
selected, press
Time and rotate the multifunction knob to set the window
time. You can also use the numeric keypad to set it. Its available range is from 8
ns to 10 s.
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 ,
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 Window 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 and slope 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
the trigger level information at the lower-left corner of the screen disappear in about
2 s. The current trigger level deviation is displayed at the upper-right corner of the
screen.
Trigger Mode:
In the trigger control area (Trigger) on the front panel, press Mode to quickly switch
the current trigger mode. For details, refer to descriptions in "Trigger Mode" .
Trigger Parameter Setting:
Set the trigger parameters (trigger holdoff and noise rejection) under this trigger
type. For details, refer to descriptions in "Trigger Holdoff" and "Noise
Rejection" .
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