Alternate trigger – OWON SDS Series User Manual

Page 43

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5.Advanced User Guidebook

Mode

Holdoff

Auto

Normal

Single

Holdoff

Reset

Acquire waveform even no trigger occurred
Acquire waveform when trigger occurred
When trigger occurs, acquire one waveform then stop
100ns~10s, adjust M knob to set time interval before
another trigger occur.
Set Holdoff time as 100ns

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.

1. Alternate trigger (Trigger mode: Edge)

Alternate trigger (Trigger Type: Edge) Menu is shown as Figure 5-20.

Figure 5-20 Alternate trigger (Trigger Type: Edge) Menu

Alternate trigger (Trigger Type: Edge)

Menu

list:

MENU

SETTING INSTRUCTION

Alternate Mode

Edge

Set vertical channel trigger type as edge trigger.

Source

CH1
CH2

Select CH1 as the trigger source.
Select CH2 as the trigger source.

Couple

AC
DC

HF

LF

Not allow DC portion to pass.
Allow all portion pass.
Not allow high frequency of signal pass and only
low frequency portion pass.
Not allow low frequency of signal pass and only
high frequency portion pass.

Slope


Trigger in signal rising edge
Trigger in signal falling edge

Mode

Holdoff

Auto

Holdoff

Reset

Acquire waveform even no trigger occurred
100ns~10s, adjust M knob to set time interval before
another trigger occur.
Set Holdoff time as 100ns

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