Chapter 5 Trigger RIGOL
DS4000E User’s Guide 5-11
Press MENU (in the trigger control area (TRIGGER) at the front panel) Type, turn
the multi-function knob to select “Pulse” and press the knob. You can also press
Type continuously to switch to “Pulse” trigger.
At this point, the trigger setting information (include the trigger type, trigger source
and trigger level, as shown in the figure below) is displayed at the upper-right side of
the screen and changes with the trigger setting.
1. Specify the trigger source and adjust the trigger level
1) Press Source to select CH1 to CH4 or EXT (please refer to “Trigger
Source”). The trigger source currently selected is displayed at the
upper-right side of the screen.
Note: Channels that are turned off can also be selected as the trigger
source.
2) Turn TRIGGER
LEVEL to adjust the trigger level (please refer to
“
Trigger Level”). The current trigger level is displayed at the upper-right
side of the screen.
2. Specify the pulse width condition
Press When, turn the multi-function knob to select the desired pulse width
condition and press the knob. You can also press When continuously to switch
the current pulse width condition. The pulse type of the pulse width condition
currently selected is displayed at the upper-right side of the screen.
: trigger when the positive pulse width of the input signal is greater
than the specified pulse width setting.
: trigger when the positive pulse width of the input signal is lower
than the specified pulse width setting.
: 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 setting.
: trigger when the negative pulse width of the input signal is lower
than the specified pulse width setting.
: 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.