•
In the When menu, when "< >" is selected, click or tap the input field of Upper
and Lower respectively to set the lower limit value and the upper limit value with
the pop-up numeric keypad. You can also use the corresponding 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, Normal, or Single as the trigger mode. For details, refer to
.
Trigger Parameter Setting
You can refer to
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 level 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
. 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 waveforms.
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.
Upper Limit of Trigger Level
(Up Level)
Lower Limit of Trigger Level
(Low Level)
A
B
Positive Slope Time
Negative Slope Time
Figure 8.6 Positive Slope Time/Negative Slope Time
Trigger Type
Click or tap the Type drop-down button to select "Slope".
Triggering the Oscilloscope
Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
HDO1000 User Guide
73
