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Chapter 5 To Trigger the Oscilloscope RIGOL
MSO2000A/DS2000A User’s Guide 5-17
Windows Trigger (Option)
Windows trigger provides a high trigger level and a low trigger level. The oscilloscope
triggers when the rising edge of the input signal passes through the high trigger level
or when the falling edge of the input signal passes through the low trigger level.
Trigger Type:
Press Type, rotate to select “Windows” and press down . At this point, the
trigger setting information is displayed at the upper right corner of the screen. For
example,
. The trigger type is windows trigger; the trigger source
is CH1; the difference between the high trigger level and the low trigger level is 1.24
V.
Source Selection:
Press Source to switch the signal source list between CH1 and CH2. For the details,
please refer to the introduction in “
Trigger Source”. The current trigger source is
displayed at the upper right corner of the screen.
Note: Select channel with signal input as trigger source to obtain stable trigger.
Windows Type:
Press Type to select the kind of edge of the input signal on which the oscilloscope
triggers.
: trigger on the rising edge of the input signal when the voltage level is
greater than the preset high trigger level.
: trigger on the falling edge of the input signal when the voltage level is
lower than the preset low trigger level.
: trigger on any edge of the input signal when the voltage level meets the
preset trigger level.
Trigger Position:
After selecting the windows type, press Position to further specify the time point of
trigger by selecting the trigger position.
Enter: trigger when the trigger signal enters the specif ied trigger level range.
Exit: trigger when the input signal exits the specif ied trigger level range.
Time: used to specify the hold time of the input signal after entering the
specif ied trigger level range. The instrument triggers when the accumulated
hold time is greater than the windows time. The range is from 16 ns to 4 s and
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