User manual

RIGOL 5 To Trigger the Oscilloscope
DS2000A User’s Guide
5-10
knob, the trigger level line and the trigger mark disappear in about 2 s.
Pulse Trigger
Trigger on the positive or negative pulse with a specified width.
Trigger Type:
Press Type to select “Pulse”. At this point, the trigger setting information as shown in
the figure below is displayed at the upper right corner of the screen.
Source Selection:
Press Source to select CH1 or CH2 as the Trigger Source. The current trigger
source is displayed at the upper right corner of the screen.
Note: Select channel with signal input as trigger source to obtain stable trigger.
Pulse Condition:
Press When to select the desired pulse condition.
 : trigger when the positive pulse width of the input signal is greater than
the specified pulse width.
 : trigger when the positive pulse width of the input signal is lower than the
specified pulse width.
 : trigger when the positive pulse width of the input signal is greater than
the specified lower limit of pulse width and lower than the upper limit of pulse
width.
 : trigger when the negative pulse width of the input signal is greater than
the specified pulse width.
 : trigger when the negative pulse width of the input signal is lower than
the specified pulse width.
 : trigger when the negative pulse width of the input signal is greater than
the specified lower limit of pulse width and lower than the upper limit of pulse
width.