User Manual

5 To Trigger the Oscilloscope RIGOL
MSO4000D/S4000 User’s Guide
5-19
is selected:

: only adjust the upper limit of the trigger level. During the adjustment,
“UP Level” and “Slew Rate” change accordingly but “Low Level” remains
unchanged.

: only adjust the lower limit of the trigger level. During the adjustment,
“Low Level” and “Slew Rate” change accordingly but “UP Level” remains
unchanged.

: adjust the upper and lower limits of the trigger level at the same time.
During the adjustment, “UP Level” and “Low Level” change accordingly but
“Slew Rate” remains unchanged.
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.