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Chapter 5 To Trigger the Oscilloscope
RIGOL
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".
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.
Duration Trigger
In duration trigger, the instrument identifies a trigger condition by searching for the
duration of a specified pattern. This pattern is a logical "AND" combination of the
channels. Each channel can be set to H (high), L (low), or X (don't care). You can
specify a channel in the pattern to be the rising or falling edge (only one edge can be
specified). When the duration (△T) of this pattern meets the preset time, the
oscilloscope initiates a trigger, as shown in the figure below.
Figure 5-7 Duration Trigger
Trigger Type:
Press Type, and then rotate the multifunction knob
to select "Duration". 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
5-18
MSO5000 User's Guide
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