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RIGOL Chapter 5 To Trigger the Oscilloscope
5-20 DS8000-R User Guide
Timeout Trigger
In Timeout trigger, the oscilloscope triggers when the time interval (â–³T) (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:
Click Type to select "Timeout". Then, the current trigger setting information is
displayed at the upper-right corner of the screen, as shown in the figure below.
Source Selection:
Click Source to open the signal source list 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.
Edge Type:
Click Slope to select the edge type of the input signal that starts to pass through the
trigger level.
âš«
Rising: starts timing when the rising edge of the input signal passes through
the trigger level.
âš«
Falling: starts timing when the falling edge of the input signal passes
through the trigger level.
âš«
Either: starts timing when either edge of the input signal passes through the
trigger level.
Timeout Value:
Timeout value represents the maximum time that the signal remains idle before the
signal passes through the trigger level. Click Timeout and use the pop-up numeric
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