RIGOL MSO/DS1000Z Series - Manual (Page 95)

Chapter 5 To Trigger the Oscilloscope RIGOL
MSO1000Z/DS1000Z User’s Guide 5-21
Runt Trigger (Option)
This trigger mode is used to trigger pulses that pass through one trigger level but fail
to pass through the other trigger level as shown in the figure below.
Figure 5-9 Runt Trigger
Trigger Type:
Press Type, rotate to select "Runt" 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 runt trigger; the trigger source
is CH1; the difference between the upper limit of trigger level and the lower limit of
trigger level is 10.00 V.
Source Selection:
Press Source to switch the signal source and select CH1-CH4. 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.
Note: Select channel with signal input as trigger source to obtain stable trigger.
Pulse Polarity:
Press Polarity to select the pulse polarity of runt trigger.

: positive polarity. The instrument triggers on the positive runt pulse.
 : negative polarity. The instrument triggers on the negative runt pulse.
Qualifier:
Press Qualifier to set the trigger conditions of runt trigger.
 None: do not set the trigger condition of runt trigger.
 >: trigger when the runt pulse width is greater than the lower limit of pulse
width. Press Lower Limit to set the minimum pulse width of runt trigger. The
range available is from 8.00 ns to 10 s.
 <: trigger when the runt pulse width is lower than the upper limit of pulse width.
Press Upper Limit to set the maximum pulse width of runt trigger. The range
available is from 16.0 ns to 10.0 s.
 <>: trigger when the runt pulse width is greater than the lower limit and lower
than the upper limit of pulse width. Press Upper Limit to set the maximum
pulse width of runt trigger and the range is from 16.0 ns to 10.0 s; press Lower
Upper Limit of the
Trigger Level
Lower Limit of the
Trigger Level
Positive Runt Pulse
Negative Runt Pulse