SEFRAM DAS220, User Manual

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Page 5.1
5. TRIGGERS
This chapter describes all possible triggers of the appliance.
They are used by:
- the « setup » menu, with the A and B alarms
- the « triggers » menu, with the start and stop parameters of the recording.

Edge/Level trigger

Edge trigger: you need a change of status
o
Example : Channel A1, rising edge, threshold = 0V: triggers only if the signal status
changes from negative to positive

Level trigger: no need to pass the threshold
o
Example: Channel A1, high level, threshold = 0V: triggers only if the signal is
positive

Alarms only have level triggers.

Analogic / Logic channels : trigger only from analogic or logic channels

Single / Multiple threshold :

triggering from only one threshold,

complex triggering from several channels and several thresholds; see description below.
Such complex triggering is only possible with analogic channels.
You can setup these triggers thanks to the « trigger » menu in the homepage.