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Upper Limit of Trigger Level
(Up Level)
Lower Limit of Trigger Level
(Low Level)
A
B
Positive Slope Time
Negative Slope Time
Figure 8.4 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 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 Wave.
Edge Type:
Press
Slope to select the input signal edge on which the oscilloscope triggers.
• Rising: triggers on the rising edge of the input signal.
• Falling: triggers on the falling edge of the input signal.
Trigger Condition:
Press When, then rotate the multifunction knob to select the trigger condition,
and then press down the knob to select the trigger condition. You can also press
When continuously or enable the touch screen to select it.
• When you select "Rising" for the edge type and ">" for trigger condition, the
oscilloscope triggers when the positive slope time of the input signal is greater
than the specified time.
To Trigger the Oscilloscope
86
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