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Chapter 5 To Trigger the Oscilloscope RIGOL
DS1000Z User Guide 5-17
Duration Trigger
In duration trigger, the instrument identifies a trigger condition by looking for the
duration of a specified pattern. This pattern is a logical "AND" combination of the
channels. Each channel can have a value of high (H), low (L) or don’t care (X). The
instrument triggers when the duration (△T) of this pattern meets the preset time, as
shown in the figure below.
Figure 5-7 Duration Trigger
Trigger Type:
Press Type, rotate to select "Duration" and press down . At this point, the
trigger setting information is displayed at the upper right corner of the screen.
For example,
. The trigger type is duration trigger; the current
trigger source is CH1; the trigger level is 0.00 V.
Source Selection:
Press Source to open the signal source list and select CH1-CH4 or D0-D15. For the
details, please refer to the introduction in "
Trigger Source". The current trigger
source is displayed at the upper right corner of the screen.
Pattern Setting:
Press Code to set the pattern of the current channel. At this point, the pattern
setting area (as shown in the figure below) is displayed at the bottom of the screen.
: set the pattern of the channel selected to "H", namely the voltage level is
higher than the trigger level of the channel.
: set the pattern of the channel selected to "L", namely the voltage level is
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