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Triggering on Waveforms

Using Trigger Delay or Pre-trigger

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Using Trigger Delay or Pre-trigger

<RXFDQEHJLQWRGLVSOD\WKHZDYHIRUPVRPHWLPHEHIRUH

RUDIWHUWKHWULJJHUSRLQWKDVEHHQGHWHFWHG,QLWLDOO\\RX

KDYHDKDOIVFUHHQGLYLVLRQVRISUHWULJJHUYLHZ

QHJDWLYHGHOD\

7RVHWWKHWULJJHUGHOD\GRWKHIROORZLQJ

MOVE

+ROGGRZQWRDGMXVWWKHWULJJHU

GHOD\

2EVHUYHWKDWWKHWULJJHULFRQ RQWKHVFUHHQPRYHVWR

VKRZWKHQHZWULJJHUSRVLWLRQ:KHQWKHWULJJHUSRVLWLRQ

PRYHVOHIWRIIRIWKHVFUHHQWKHWULJJHULFRQFKDQJHVLQWR

WRLQGLFDWHWKDW\RXKDYHVHOHFWHGDWULJJHUGHOD\

0RYLQJWKHWULJJHULFRQWRWKHULJKWRQWKHGLVSOD\JLYHV

\RXDSUHWULJJHUYLHZ7KLVDOORZV\RXWRVHHZKDW

KDSSHQHGEHIRUHWKHWULJJHUHYHQWRUZKDWFDXVHGWKH

WULJJHU

,QFDVHRIDWULJJHUGHOD\WKHVWDWXVDWWKHERWWRPRIWKH

VFUHHQZLOOFKDQJH)RUH[DPSOH

7KLVPHDQVWKDWLQSXW$LVXVHGDVWKHWULJJHUVRXUFHZLWK

DSRVLWLYHVORSH7KHPVLQGLFDWHVWKHSRVLWLYH

GHOD\EHWZHHQWULJJHUSRLQWDQGZDYHIRUPGLVSOD\

:KHQDYDOLGWULJJHUVLJQDOLVIRXQGWKHWULJJHUNH\ZLOOEH

OLWDQGWKHWULJJHUSDUDPHWHUVDSSHDULQEODFN

:KHQQRWULJJHULVIRXQGWKHWULJJHUSDUDPHWHUVDSSHDULQ

JUD\DQGVWKHNH\OLJKWZLOOEHRII

Figure 29. Trigger Delay or Pre-trigger View

)LJXUHVKRZVDQH[DPSOHRIDWULJJHUGHOD\RIPV

WRSDQGDQH[DPSOHRISUHWULJJHUYLHZRIGLYLVLRQV

ERWWRP

Fluke ScopeMeter 190 II Series User Manual

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