Chapter 5 To Trigger the Oscilloscope RIGOL
MSO7000/DS7000 User Guide 5-11
Polarity:
Press Polarity continuously to select the desired polarity. The polarities available are
positive polarity ( ) and negative polarity ( ).
Trigger Condition:
Press When, then rotate the multifunction knob to select the trigger condition,
and then press down the knob to select the trigger condition. You can also press
When continuously to select the trigger condition or enable the touch screen to tap
the desired trigger condition and select it.
⚫ When you select "Positive" for polarity, ">" for trigger condition, the oscilloscope
triggers when the positive pulse width of the input signal is greater than the
specified pulse width.
⚫ When you select "Positive" for polarity, "<" for trigger condition, the oscilloscope
triggers when the positive pulse width of the input signal is smaller than the
specified pulse width.
⚫ When you select "Positive" for polarity, "<>" for trigger condition, the
oscilloscope triggers when the positive pulse width of the input signal is greater
than the specified lower limit of pulse width and smaller than the specified upper
limit of pulse width.
⚫ When you select "Negative" for polarity, ">" for trigger condition, the
oscilloscope triggers when the negative pulse width of the input signal is greater
than the specified pulse width.
⚫ When you select "Negative" for polarity, "<" for trigger condition, the
oscilloscope triggers when the negative pulse width of the input signal is smaller
than the specified pulse width.
⚫ When you select "Negative" for polarity, "<>" for trigger condition, the
oscilloscope triggers when the negative pulse width of the input signal is greater
than the specified lower limit of pulse width and smaller than the specified upper
limit of pulse width.
Pulse Width Setting:
⚫ When ">" or "<" is set to the trigger condition, press Lower or Upper, and
then rotate the multifunction knob to set the desired value; or press down the
multifunction knob to set the lower limit value or the upper limit value. You
can also use the pop-up numeric keypad to set it. The pulse range available is
from 800 ps to 10 s.
⚫ When "<>" is set to the trigger condition, press Upper and Lower, and then
rotate the multifunction knob to set the lower limit value and the upper limit
value. You can also use the pop-up numeric keypad to set them.
Note: The lower limit of the pulse width must be smaller than the upper limit.
Trigger Mode:
In the trigger control area (Trigger) on the front panel, press Mode to quickly switch
the current trigger mode. For details, refer to descriptions in "Trigger Mode".
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