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October 2014
Page
49
3.3.2
Alternate Trigger
Trigger signal comes from two vertical channels when alternate trigger is on. This
mode is used to observe two unrelated signals. You can choose different trigger
modes for different channels. The options are as follows: edge, video, pulse or
slope.
►
Alternate trigger (Trigger mode: Edge)
Alternate trigger (Trigger Type: Edge) Menu is shown as Figure 43.
Figure 43
. Alternate trigger (Trigger Type: Edge) Menu.
Alternate trigger (Trigger Type: Edge) Menu list:
Menu
Settings
Instruction
Source
CH1
CH2
Channel 1 as the trigger source.
Channel 2 as the trigger source.
Mode
Edge
Set vertical channel trigger type for edge
trigger.
Slope
Rising
Falling
Trigger on the rising edge.
Trigger on the falling edge.
Coupling
AC
DC
HF
LF
Block the direct current component.
Unblock all components.
Block the high-frequency signal and only
unblock the low-frequency component.
Block the low-frequency signal and only
unblock the high -frequency component.
Holdoff
100 ns
∼
10 s Set interval by using TRIG LEVEL control, value
range from 100ns
∼
10s.
Holdoff
Reset
Reset hold time to 100ns.