Table of Contents
Advertisement
Chapter 5 To Trigger the Oscilloscope
Qualifier:
Press Qualifier to set the trigger conditions of runt trigger.
None: do not set the trigger condition of runt trigger.
>: trigger when the runt pulse width is greater than the lower limit of pulse
width. Press Lower Limit and turn
to adjust the minimum runt pulse width at a relatively smaller step or turn the
outer knob of the navigation knob to adjust the minimum runt pulse width at a
relatively larger step. The range available is from 2 ns to 4 s.
<: trigger when the runt pulse width is lower than the upper limit of pulse width.
Press Upper Limit and turn
adjust the maximum runt pulse width at a relatively smaller step or turn the
outer knob of the navigation knob to adjust the maximum runt pulse width at a
relatively larger step. The range available is from 2 ns to 4 s.
<>: trigger when the runt pulse width is greater than the lower limit and lower
than the upper limit of pulse width. Press Upper Limit and set the maximum
pulse width of runt trigger using
method mentioned above; the range is from 10 ns to 4 s. Press Lower Limit
and set the minimum pulse width of runt trigger using
knob by referring to the method mentioned above; the range is from 2 ns to
3.99 s.
Note: The lower limit of the pulse width must be lower than the upper limit.
Vertical Window and Trigger Level:
After the trigger condition setting is completed, you need to adjust the trigger level
to correctly trigger the signal and obtain stable waveform. The adjustment mode of
the trigger level is different when different vertical window is selected in the runt
trigger. Press Vertical and use
down Vertical continuously to switch the vertical window. You can choose to only
adjust the upper limit, the lower limit or both of them.
Note: Under the "Runt trigger" menu, you can press TRIGGER
continuously to switch among different vertical window.
After the vertical window type is selected, you can rotate TRIGGER
adjust the trigger level. During the adjustment, two orange trigger level lines and
trigger marks (
rotation of the knob. At the same time, the current trigger level values are displayed
at the lower left corner of the screen; wherein, Up Level denotes the trigger level
DS2000E User's Guide
to select the desired vertical window or press
and
) appear on the screen and move up or down with the
or the inner knob of the navigation knob
or the inner knob of the navigation knob to
or the navigation knob by referring to the
RIGOL
or the navigation
LEVEL
LEVEL to
5-13
Advertisement
Table of Contents
