Introduction to the Trigger System
As shown in Bild 0-11, there are one knob and three buttons make up
"TRIGGER CONTROLS". The following practices will direct you to be familiar
with the setting of the trigger system gradually.
1. Press the "Trigger Menu" button and call out the trigger menu. With the
operations of the menu selection buttons, the trigger setting can be
changed.
2. Use the "TRIG LEVEL" knob to change the trigger level setting.
By rotating the "TRIG LEVEL" knob, the trigger indicator in the screen will
move up and down. With the movement of the trigger indicator, it can be
observed that the trigger level value displayed in the screen changes
accordingly.
PS: Turning the TRIG LEVEL knob can change trigger level value and it is
also the hotkey to set trigger level back to 0.
3. Press the button "50%" to set the trigger level as the vertical midpoint
values of the amplitude of the trigger signal.
4. Press the "Force" button to force a trigger signal, which is mainly applied
to the "Normal" and "Single" trigger modes.
Introduction to the Touchscreen Controls
When Gesture is ON, which is set in menu Utility->Display->Gesture (Page 51),
you can control the oscilloscope by touching different areas of the screen. You can
also use the buttons / knobs enclosed in brackets to do the same thing.
Figure 0-12 Trigger Control Zone
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