RIGOL Chapter 5 Trigger
5-20 DS4000E User’s Guide
Select the trigger level to be adjusted
Press Vertical and turn the multi-function knob to select the desired
vertical window type (different type of vertical window corresponds to
different trigger level adjustment mode). You can also press Vertical
continuously to switch the current vertical window type.
― : only adjust the trigger level upper limit and the trigger level
lower limit remains unchanged.
―
: only adjust the trigger level lower limit and the trigger level
upper limit remains unchanged.
―
: adjust the trigger level upper limit and trigger level lower limit
at the same time; the trigger level difference (namely the difference
between the trigger level upper limit and trigger level lower limit)
remains unchanged.
Here, in slope trigger, pressing TRIGGER
LEVEL can quicklyswitch the
current vertical window type.
Adjust the trigger level
Turn Trigger LEVEL to adjust the corresponding trigger level
(determined by the type of the vertical window currently selected).
During the adjustment, two trigger level lines (orange dotted lines) appear
on the screen and move up and down with the variation of the trigger level.
At the same time, the trigger level information and slope information (as
shown in the figure below; Up Level denotes the trigger level upper limit,
Low Level denotes the trigger level lower limit and Slew Rate denotes the
slope) pops up at the lower-left side of the screen in real-time. The trigger
level lines, trigger level information and slope information at the lower-left
side of the screen disappear about 2 s later after you stop modifying the
trigger level. The current trigger level difference is displayed at the
upper-right side of the screen.
― When the slope condition is , , or , the
trigger level and slope information is as shown in the figure below.
The calculation formula of the slope is:
UpLevel - LowLevel
SlewRate =
Time
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