Rigol DHO900 User Manual page 94

Triggering the Oscilloscope
The Left/Right arrow key indicates moving left/right to switch the channel pattern.
"All" indicates all bits. Select a pattern for a channel and then click or tap All. The
patterns of all the other channels will be set to the currently selected pattern.
Trigger Condition
Set the trigger condition in the When item.
• >: triggers when the duration of the pattern is greater the preset time. Click or
tap the input field of Lower to set the lower limit of the duration of the pattern
with the pop-up numeric keypad. You can also use the corresponding
multipurpose knob to set the value. The available range is from 1 ns to 10 s.
• <: triggers when the duration of the pattern is smaller than the preset time. Click
or tap the input field of Upper to set the upper limit of the duration of the
pattern. You can also use the corresponding multipurpose knob to set the value.
The available range is from 1 ns to 10 s.
• < >: triggers when the duration of the pattern is smaller than the upper limit of
the preset time and greater than the lower limit of the preset time. Click or tap
the input field of Upper to set the upper limit of the duration of the pattern, and
the range is from 1.01 ns to 10 s. Click or tap the input field of Lower to set the
lower limit of the duration of the pattern, and the range is from 1 ns to 9.9 s. You
can also use the corresponding multipurpose knob to set the upper/lower limit.
The lower time limit must be smaller than the upper time limit.
• > <: triggers when the duration of the pattern is greater than the upper limit of
the preset time or smaller than the lower limit of the preset time. Click or tap the
input field of Upper to set the upper limit of the duration of the pattern, and the
range is from 1.01 ns to 10 s. Click or tap the input field of Lower to set the
lower limit of the duration of the pattern, and the range is from 1 ns to 9.9 s. You
can also use the corresponding multipurpose knob to set the upper/lower limit.
The lower time limit must be smaller than the upper 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.
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
Level
. The current trigger level is displayed in the trigger information label at the top
of the screen.
DHO800 User Guide
80
Trigger Mode .
Trigger Holdoff and Noise Rejection
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to set the trigger holdoff and
Trigger