Data Sheet

RIGOL 5 To Trigger the Oscilloscope
MSO4000/DS4000 User’s Guide
5-14
of runt trigger and the range is from 4 ns to 3.99 s.
Vertical Window:
Press Vertical to select the desired vertical window type. Note that under the “Runt
trigger” menu, you can press the trigger level knob continuously to switch among
different vertical window types.
You can select the boundary of the trigger level to be set and then use Trigger
LEVEL to adjust the trigger level. During the adjustment, two orange trigger level
lines and trigger labels (
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. The trigger level lines and trigger
labels disappear after you stop rotating the knob for about 2 seconds.
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 select the Trigger Mode (page 5-3) under this trigger type as auto,
normal or single. The corresponding status light of the current trigger mode turns on.
Trigger Setting:
Press Setting to set the trigger parameters (trigger coupling, trigger holdoff and
noise rejection) under this trigger type.