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RIGOL Chapter 5 To Trigger the Oscilloscope
5-12 MSO5000-E User Guide
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
LEVEL knob to adjust the trigger level or threshold level.
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
I n Slope trigger, the oscilloscope triggers on the positive or negative slope of the
specif ied time. This trigger mode is applicable to ramp and triangle waveforms.
I n this oscilloscope, positive slope time is def ined as the time difference between the
two crossing points of trigger level line A and B with the rising edge; negative slope
time is def ined as the time difference between the two crossing points of trigger level
line A and B with the falling edge, as shown in the f igure below.
Figure 5-4 Positive Slope Time/ Negative Slope Time
Trigger Type:
Press Type, and then rotate the multifunction knob to select "Slope". 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 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-CH2. 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.
Upper Limit of Trigger Level
(Up Level)
Lower Limit of Trigger Level
(Low Level)
A
B
Positive Slope Time
Negative Slope Time
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