Rigol DHO924S User Manual page 85
Digital oscilloscope
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Also See for DHO924S:
- Quick manual (30 pages) ,
- User manual (289 pages) ,
- Quick start manual (31 pages)
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Source Selection
Click or tap the Source drop-down button to select CH1-CH4 or D0-D15. For details,
Trigger Source
refer to
. The selected trigger source is indicated in the trigger
information label at the top of the screen.
Only when you select the channel that has signal inputs as the trigger source, can you
obtain a stable trigger.
Polarity
In the Polarity item, select the desired polarity: positive polarity (
polarity (
).
Trigger Condition
Set the trigger condition in the When item.
•
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
•
In the When menu, when ">" or "<" is selected, click or tap the input field of
Upper or lower to set the upper limit value or the lower limit value with the
pop-up numeric keypad. You can also use the corresponding multipurpose knob
to set the value. The pulse width available is from 1 ns to 10 s.
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15
10
20
5
25
0
30
) or negative
DHO900 User Guide
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69
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