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Chapter 5 To Trigger the Oscilloscope RIGOL
MSO7000/DS7000 User's Guide 5-23
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 parameter (noise rejection) under this trigger type. For details, refer
to descriptions in "Noise Rejection".
Trigger LEVEL/Threshold Level:
Rotate the Trigger
LEVEL knob to adjust the trigger level/threshold level. Refer
to "Trigger LEVEL/Threshold Level". The current trigger level/threshold level
value is displayed at the upper-right corner of the screen.
Runt Trigger
This trigger mode is used to trigger pulses that pass through one trigger level but fail
to pass through another trigger level, as shown in the figure below.
Figure 5-9 Runt Trigger
Trigger Type:
Press Type, and then rotate the multifunction knob to select "Runt". Press down
the knob to select the trigger type. Then, the current trigger setting information is
displayed at the upper-right corner of the screen, as shown in the figure below. You
can also press Type continuously to select the trigger type or enable the touch
screen to tap the desired trigger type and select it.
Source Selection:
Press Source to switch the trigger source and select CH1-CH4. For details, refer to
descriptions in "Trigger Source". The current trigger source is displayed at the
upper-right corner of the screen.
Note: Only when we select the channel (that has been input with signals) as the
trigger source, can we obtain a stable trigger.
Lower Limit of
the Trigger Level
Upper Limit of the
Trigger Level
Negative Runt Pulse
Positive Runt Pulse
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