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11.3 Trigger Unit
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Trigger Method
Digital comparison
Trigger modes
Single, Repeat, Auto
Trigger source
Analog trigger
External trigger
Timer trigger:
Each source can be switched ON/OFF
When all sources are off, the unit is in the free-run state. (See 4.4.1)
The external trigger is activated at a falling edge.
Trigger conditions
Logical AND or OR of any trigger sources
Trigger types (analog)
(1) Level trigger : The trigger is activated at the rise or fall of the
specified voltage
(2) Window trigger: The trigger is activated when the waveform comes into
or goes out of range between the upper and lower
limits of the trigger level
(3) Period trigger : The trigger is activated when the waveform cycle
deviates from the specified range
Trigger filter
OFF, 0.1, 0.2, 0.5, 1.0, 1.5, 2.0, 2.5, 5.0, 10.0 DIV
Trigger level resolution
0.25% f.s. (f.s. = 10 DIV)
Pre-trigger
0 to 100% (An arbitrary value can be selected in units of 1%)
Trigger output
Open collector output (active low)
Trigger input-output
terminals
Terminal stand, M3 screw (external control terminals)
11.3 Trigger Unit