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Triggers
Triggers tell the oscilloscope when to perform an acquisition.
Available trigger types are described at more length in the
HDO8000A Oscilloscopes Operator's Manual.
From the Front Panel
D
C
B
A
Press to open the Trigger setup dialog.
B
Press to control acquisition processing:
Auto – trigger after a preset period if there is no valid trigger.
Normal – trigger repeatedly whenever all conditions are met.
Single – trigger once when all conditions are met.
Stop – stop acquisition.
C
Turn to raise or lower trigger voltage Level. Push to find a level.
D
READY lights when trigger armed; TRIG'D lights when trigger fired.
Trigger Descriptor Box
Trigger Mode
Trigger Type
From the Display
A
B
C
D
E
Trigger Indicators
Trigger Source
Trigger Coupling
Trigger Level
Level
Trigger Slope
A
B
Choose trigger Type.
Choose Source channel, or drag the channel descriptor box onto the
Source field.
Make any other settings required by the trigger type, such as
Coupling and Slope.
Set Trigger Level (V) or let software automatically Find Level.
Time
Pre/Post-Trigger — appears at corner of grid
when trigger point is no longer visible.
BASICS
Touch Trigger
A
descriptor box to open
the Trigger dialog.
C
E
D
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