Basic Operation
DSO4000 Series Digital Storage Oscilloscope 26
With Pulse highlighted, the trigger occurs on pulses that meet
the trigger condition (defined by the Source, When and Set
Pulse Width options).
Select the input source as the trigger signal.
Select the trigger condition.
With Set Pulse Width highlighted by pressing F4, turn the
multi-functional knob to set the pulse width.
Select to trigger on positive or negative pulses.
Select the type of trigger. The Normal mode is best for most
pulse width trigger applications.
AC
DC
HF Reject
LF Reject
Select the components of the trigger signal applied to the
trigger circuit.
Switch between submenu pages.
Trigger When: The pulse width of the source must be ≥5ns so that the oscilloscope can detect the
pulse.
＝, ≠: Within a ±5% tolerance, triggers the oscilloscope when the signal pulse width is equal to
or not equal to the specified pulse width.
Triggers when pulse is
equal to width setting ±5%
Triggers when pulse is
greater than width setting
Triggers when pulse is not
equal to width setting ±5%
Triggers when pulse is
less than width setting
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