Basic Operation
DSO4000 Series Digital Storage Oscilloscope 27
＜, ＞: Triggers the oscilloscope when the source signal pulse width is less than or greater
than the specified pulse width.
Slope Trigger: Judges trigger according to the time for rising or falling, more flexible and accurate
than the Edge trigger.
Select the input source as the trigger signal.
Select the slope type of signal.
Select the type of trigger. The Normal mode is best for
most pulse width trigger applications.
AC
DC
Noise Reject
HF Reject
LF Reject
Selects the components of the trigger signal applied to
the trigger circuitry.
Adjust the vertical window by setting two trigger levels.
Select this option and press F3 to choose V1 or V2.
Select the trigger condition.
With this option highlighted by pressing F4, turn the
multi-functional knob to set the time span.
Swap Trigger: As a feature of analog oscilloscopes, it gives stable displays of signals at two
different frequencies. Mainly it uses a specific frequency to switch between two analog channels
CH1 and CH2 so that the channels will generate swap trigger signals through the trigger circuitry.
Select the type of trigger.
Push an option such as CH1, select the channel trigger
type and set the menu interface.
Below list options in submenus. Swap Trigger allows CH1 and CH2 to select different trigger
modes and to display waveforms on a same screen. That is, both channels can choose the
following four trigger modes.
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