Rigol MSO8000 Series, Руководство пользователя

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RIGOL
Chapter 5 To Trigger the Oscilloscope
5-22 MSO8000 User Guide
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.
Timeout Trigger
In Timeout trigger, the oscilloscope triggers when the time interval (
△
T) (the time
from when the rising edge (or falling edge) of the input signal passes through the
trigger level to the time from when the neighboring falling edge (or rising edge)
passes through the trigger level) is greater than the preset timeout value, as shown
in the figure below.
Time Out
T
Time Out< T
Figure 5-8 Timeout Trigger
Trigger Type:
Press Type , and then rotate the multifunction knob to select "Timeout". 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 open the signal source list and select CH1-CH4 or D0-D15. 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.
Edge Type:
Press Slope and rotate the multifunction knob to select the edge type of the
input signal that starts to pass through the trigger level. You can also press Slope
continuously to enable the touch screen to select the edge type.