User Guide

RIGOL Chapter 5 To Trigger the Oscilloscope
5-22 MSO1000Z/DS1000Z User’s Guide
pulse width of runt trigger and the range is from 16.0 ns to 10.0 s; press Lower
Limit to set the minimum pulse width of runt trigger and the range is from 8.00
ns to 9.99 s.
Note: The lower limit of the pulse width must be lower than the upper limit.
Vertical Window and Trigger Level:
After the trigger condition setting is completed, you need to adjust the trigger level
to correctly trigger the signal and obtain stable waveform. The adjustment mode of
the trigger level is different when different vertical window is selected in the runt
trigger. Press Window and use to select the desired vertical window or press
down Window continuously to switch the vertical window. You can choose to only
adjust the upper limit, the lower limit or both of them. For more details, please refer
to the following introduction.
Note: Under the “Runt” trigger menu, you can also press down TRIGGER
LEVEL continuously to switch the vertical window.
After the vertical window type is selected, you can use Trigger LEVEL to adjust
the trigger level. During the adjustment, two orange trigger level lines and trigger
marks (
and ) appear on the screen and move up and down with the rotation
of the knob. At the same time, the current trigger level values are displayed at the
lower left corner of the screen (as shown in the figure below). The trigger level lines
and trigger marks disappear after you stop rotating the knob for about 2 s.
The adjustment mode of the trigger level differs when different vertical window is
selected.

: only adjust the upper limit of the trigger level. During the adjustment,
the “Up Level” changes accordingly and “Low Level” remains unchanged.

: only adjust the lower limit of the trigger level. During the adjustment,
the “Low Level” changes accordingly and the “Up Level” remains unchanged.

: adjust the upper and lower limits of the trigger level at the same time.
During the adjustment, the “Up Level” and “Low Level” change accordingly.
Trigger Mode:
Press Sweep to open the trigger mode list and select auto, normal or single. For the
details, please refer to “
Trigger Mode”. The corresponding status light of the
current trigger mode turns on.
Trigger Setting:
Press Setting to set the trigger parameters (trigger holdoff and noise rejection)
under this trigger type.