Hantek DSO4072 User Manual page 35

Options Settings
Pulse
CH1
CH2
Source
EXT
EXT5
=
≠
When
<
>
Set Pulse 20ns
Width 10.0sec
Positive
Polarity
Negative
Auto
Mode
Normal
AC
DC
Coupling
HF Reject
LF Reject
More
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.
DSO4000 Series Digital Storage Oscilloscope
Comments
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.
to 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.
Select the components of the trigger signal applied to the
trigger circuit.
Switch between submenu pages.
Triggers when pulse is
less than width setting
Triggers when pulse is not
equal to width setting ± 5%
Tolerance
= Trigger Point
Triggers when pulse is
greater than width setting
Threshold level
Triggers when pulse is
equal to width setting ± 5%
Threshold level
Basic Operation
Tolerance
26