Rigol DHO900 User Manual page 86

Triggering the Oscilloscope
• When you select "Rising" for the edge type, ">" for trigger condition, the
oscilloscope triggers when the positive slope time of the input signal is greater
than the specified time.
• When you select "Rising" for the edge type, "<" for trigger condition, the
oscilloscope triggers when the positive slope time of the input signal is smaller
than the specified time.
• When you select "Rising" for the edge type, "< >" for trigger condition, the
oscilloscope triggers when the positive slope time of the input signal is greater
than the specified lower limit time and smaller than the specified upper limit
time.
• When you select "Falling" for the edge type, ">" for trigger condition, the
oscilloscope triggers when the negative slope time of the input signal is greater
than the specified time.
• When you select "Falling" for the edge type, "<" for trigger condition, the
oscilloscope triggers when the negative slope time of the input signal is smaller
than the specified time.
• When you select "Falling" for the edge type, "< >" for trigger condition, the
oscilloscope triggers when the negative slope time of the input signal is greater
than the specified lower limit time and smaller than the specified upper limit
time.
Slope Time Setting
• In the When item, when ">" or "<" is set to trigger conditions, click or tap the
input field of Lower or Upper to set the lower limit value or the upper limit value
with the pop-up numeric keypad. You can also use the corresponding knob to
set the value. The slope time available is from 1 ns to 10 s.
• In the When item, when "< >" is set to trigger conditions, click or tap the input
field of Upper and Lower respectively to set the upper limit value and the lower
limit value with the pop-up numeric keypad. You can also use the corresponding
knob to set the values. The lower slope time limit must be smaller than the
upper slope time limit.
Trigger Mode
In Sweep, select Auto, Normal, or Single as the trigger mode. For details, refer to
descriptions in
Trigger Parameter Setting
You can refer to
noise rejection under this trigger type.
DHO800 User Guide
72
Trigger Mode
.
Trigger Holdoff and Noise Rejection
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to set the trigger holdoff and