Pulse Width Setting
• In the When menu, when ">" or "<" is selected, click or tap the input field o
f
Lower or Upper to set the lower limit value or the upper limit value with the
pop-up numeric k
eypad. You can also use the corresponding multipurpose knob
to set the value. The pulse width available is from 1 ns to 10 s.
• In the
When menu, when "< >" is selected, click or tap the input field o
f
Upper
and Lower respectively to set the lower limit value and the upper limit value with
the pop-up numeric k
eypad. You can also use the corresponding multipurpose
knob to set the values. The lower limit of the pulse width must be smaller than
the upper limit.
Trigger Mode
In
Sweep, select Auto, Nor
mal, or Single as the trigger mode. For details, refer to
descriptions in
Trigger Mode
.
Trigger Parameter Setting
You can refer to
Trigger Holdoff
and
Noise Rejection
to set the trigger holdoff and
noise rejection under this trigger type.
Trigger Level
Click or tap the
Level input field to set the trigger lev
el with the pop-up numeric
keypad. You can also use the front-panel trigger level knob or the corresponding
multipurpose knob to set the trigger level. For details, refer to descriptions in
Trigger
Level
. The current trigger level is displayed in the trigger information label at the top
of the screen.
8.7.3 Slope Trigger
Slope triggering sets the oscilloscope to trigger on the positive or negative slope of
the specified time. This trigger mode is applicable to ramp and triangle wav
eforms.
In this oscilloscope, positive slope time is defined as the time difference between the
two crossing points of trigger level line A and B with the rising edge; negative slope
time is defined as the time difference between the two crossing points of trigger level
line A and B with the falling edge. See the figure below.
Triggering the Oscilloscope
DHO1000 User Guide
74
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