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Chapter 6 Trigger System
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appropriate voltage scale can be adjusted as needed to observe the waveform. The video trigger menu descriptions
are shown in the table below:
Trigger
Option
Setting
Description
Trigger
Source
CH1
Set CH1 as trigger signal source
CH2
Set CH2 as trigger signal source
CH3
Set CH3 as trigger signal source
CH4
Set CH4 as trigger signal source
Polarity
Positive
Set signal positive polarity trigger
Negative
Set signal negative polarity trigger
Video
Standard
625/PAL
Based on PAL signal trigger
SECAM
Based on SECAM signal trigger
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