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CONFIGURATION
145
Trigger
The trigger configures the conditions for when the GDS-2000E
captures a waveform.
Trigger Type Overview
Edge
The edge trigger is the simplest trigger type. An
edge trigger triggers when the signal crosses an
amplitude threshold with either a positive or
negative slope.
Rising edge trigger
Falling edge trigger
Delay
The Delay trigger works in tandem with the edge
trigger, by waiting for a specified time (duration)
or number of events before the delay trigger starts.
This method allows pinpointing a location in a
long series of trigger events.
Note: when using the delay trigger, the edge trigger
source can be any one of the channel inputs, the EXT*
input or the AC line. *EXT only available on 2 channel
models.
Delay trigger example (by event)
1 2 3
A
B
C
D
A
Edge trigger
B
Delay Source
C
Delay event count (3)
D
First triggering point
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