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RIGOL
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".
Trigger LEVEL/Threshold Level:
Rotate the Trigger
Please refer to descriptions in "Trigger LEVEL/Threshold Level". The current
trigger level/threshold level value is displayed at the upper-right corner of the screen.
Slope Trigger
In Slope trigger, the oscilloscope triggers on the positive or negative slope of the
specified time. This trigger mode is applicable to ramp and triangle waveforms.
In this oscilloscope, positive slope time is defined as the time difference between the
two crossing points of trigger level line A and B with the rising edge; negative slope
time is defined as the time difference between the two crossing points of trigger level
line A and B with the falling edge, as shown in the figure below.
Figure 5-4 Positive Slope Time/Negative Slope Time
Trigger Type:
Press Type, and then rotate the multifunction knob
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 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.
5-12
LEVEL knob to adjust the trigger level or threshold level.
A
B
Positive Slope Time
Chapter 5 To Trigger the Oscilloscope
Upper Limit of Trigger Level
(Up Level)
Lower Limit of Trigger Level
(Low Level)
Negative Slope Time
to select "Slope". Press
MSO5000 User Guide
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