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Only when you select the channel that has signal inputs as the trigger source, can you
obtain a stable trigger.
Edge Type
Select the input signal edge (in the Slope item) on which the oscilloscope triggers.
• Rising: triggers on the rising edge of the input signal.
• Falling: triggers on the falling edge of the input signal.
Trigger Condition
Sets the trigger condition in the When item.
• 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
Triggering the Oscilloscope
DHO1000 User Guide
76
Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
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