Alternate Trigger - TECPEL OS Series User Manual

OS Series Handheld DSO & DMM

8.5.3 Alternate trigger

During alternate trigger, the trigger signal mainly comes from two vertical channels and it can be
used to observe two irrelevant signals. You can set different trigger type for two vertical channels
in this menu (optional for edge trigger and video trigger).
Now, you can see a screen that looks like the figure 44.
The Alternate triggering menu is described in the following table.
When the type is set as Edge trigger,
Function menu
CH SEL
Type
Edge type
－－＞
1/2
Coupling
Figure 44 Alternate Trigger
Settings Description
CH1 Setting trigger type and others info for Channel 1
CH2 Setting trigger type and others info for Channel 2
Edge Set vertical channel trigger as edge trigger
Video Set vertical channel trigger as video trigger
Rising Triggering on the rise edge of the signal.
Falling Triggering on the fall edge of the signal.
To next menu
AC With this mode selected, the DC component is prevented
from passing-though.
DC All components are allowed.
HF Rjc The HF part of the signal is prohibited and only the LF
component is allowed.
LF Rjc The LF part of the signal is prohibited and only the HF
component is allowed.
47
8-Advanced Function of Oscilloscope