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RIGOL Chapter 5 To Trigger the Oscilloscope
5-22 MSO2000A/DS2000A User’s Guide
the specified lower limit of time and lower than the specif ied upper limit of time.
: trigger when the negative slope time of the input signal is greater than
the specified time.
: trigger when the negative slope time of the input signal is lower than
the specified time.
: trigger when the negative slope time of the input signal is greater than
the specif ied lower limit of time and lower than the specified upper limit of time.
Time Setting:
When the Slope Condition is set to
, , or ,
press Time and turn or the inner knob of the navigation knob to adjust the
time value at a relatively smaller step or turn the outer knob of the navigation
knob to adjust the time value at a relatively larger step. The range available is
from 10 ns to 1 s.
When the Slope Condition is set to or , press Upper Limit
and Lower Limit respectively; adjust the time upper limit and lower limit using
or the navigation knob by referring to the method mentioned above. 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 999 ms.
Note: The time lower limit must be lower than the upper limit.
Vertical Window and Trigger Level:
After the trigger condition setting is completed, adjust the trigger level using
TRI GGER
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 slope trigger. Press Vertical and use to select the desired vertical
window or press down Vertical continuously to switch the vertical window. You can
choose to only adjust the upper limit, the lower limit or both of them.
: 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.
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