User Manual of PDS Series Oscilloscope
21
Introduction to the Trigger System
Shown as Fig.13, there are a knob and four buttons in the “
TRIGGER
CONTROLS
”. The following practices will direct you to be familiar with the setting
of the trigger system gradually.
Fig.13
Trigger Control Zone
1.
Press the “
TRIG MENU
” button and call out the trigger menu. With the
operations of the 5 menu selection buttons, the trigger setting can be changed.
2.
Use the “
LEVEL”
knob to change the trigger level setting.
With the rotation of the “
LEVEL
” knob, it can found that the trigger indicator in
the screen will move up and down with the rotation of the knob. With the
movement of the trigger indicator, it can be observed that the trigger level value
displayed in the screen changes.
3.
Press the button “
SET TO 50%”
to set the trigger level as the vertical mid point
values of the amplitude of the trigger signal.
4.
Press the “
FORCE TRIG
” button to force a trigger signal, which is mainly
applied to the “Normal" and "Single” trigger modes.
5.
The “
SET TO ZERO
” button is used to reset the trigger horizontal position.
