135
Keysight InfiniiVision HD3-Series Oscilloscopes
User's Guide
10 Triggers
Adjusting the Trigger Level / 136
Forcing a Trigger / 137
Edge Trigger / 137
Pulse Width Trigger / 139
Pattern Trigger / 141
OR Trigger / 144
Rise/Fall Time Trigger / 144
Runt Trigger / 146
Setup and Hold Trigger / 147
Protocol Trigger / 149
Zone Qualified Trigger / 149
A trigger setup tells the oscilloscope when to acquire and display data. For
example, you can set up to trigger on the rising edge of the analog channel 1 input
signal.
You can use any input channel or the
"External Trigger Input" on page 159 BNC as
the source for most trigger types.
You can adjust the vertical level used for analog channel edge detection by turning
the Trigger Level knob.
In addition to the edge trigger type, you can also set up triggers on rise/fall times,
patterns, pulse widths, runt pulses, setup and hold violations, and protocol signals
(if option licenses are installed).
Changes to the trigger setup are applied immediately. If the oscilloscope is
stopped when you change a trigger setup, the oscilloscope uses the new
specification when you press [Run/Stop] or [Single]. If the oscilloscope is running
when you change a trigger setup, it uses the new trigger definition when it starts
the next acquisition. You can save trigger setups along with the oscilloscope setup
(see
Chapter 21, “Save/Email/Recall (Setups, Screens, Data),” starting on page
261).
Options that apply to all trigger types are:
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