User Manual

RIGOL 5 To Trigger the Oscilloscope
DS4000 User’s Guide
5-14
 When the Slope Condition is set to , , or ,
press Time and use to input the desired value. The range available is from
10 ns to 1 s.
 When the Slope Condition is set to or , press Upper Limit
and Lower Limit and use to input the desired values respectively. The
range of time upper limit is from 20 ns to 1 s. The range of the time lower limit is
from 10 ns to 990 ms. Note that the time lower limit must be lower than the
upper limit.
Vertical Window:
Press Vertical to select the desired vertical window. Note that under the “Slope”
trigger menu, you can also press down the trigger level knob continuously to switch
the vertical window.
You can select the boundaries of the trigger level and then use TRIGGER LEVEL
to adjust the trigger level. During the adjustment, two orange trigger level lines and
two trigger marks ( and ) appear on the screen and move up and down with
the rotation of the knob, while at the same time, the trigger level value and the slope
value are displayed at the lower left corner of the screen. When stopping turning the
knob, the trigger level lines and trigger marks disappear in about 2 seconds.
Slew Rate= | (V
A
-V
B
) / (T
A
-T
B
) |
The adjustment mode of the trigger level is different when different vertical window
is selected:
 : only adjust the upper limit of the trigger level. During the adjustment,
“UP Lvl” and “Slew Rate” change accordingly but “Low Lvl” remains unchanged.
 : only adjust the lower limit of the trigger level. During the adjustment,
The upper limit of trigger level (Up Lvl)
The lower limit of trigger level (Low Lvl)
A
B
Positive
Slope time