Tektronix 4000 Series, User Manual

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Trigger Setup
Using Sequence Trigger (A (Main) and B (Delayed))
Combine an edge A Event (Main) trigger with the B Event (Delayed) trigger to capture more complex signals. After the A Event
occurs, the trigger system looks for the B Event before triggering and displaying the waveform.
A and B triggers can (and typically do) have separate sources.
Use the Edge trigger menu to set up the A trigger fi rst. Then, to use the B trigger:
1. Push Trigger Menu .
2. Push Type .
3. Turn multipurpose knob a to select a trigger
type of Sequence (B Trigger) .
This brings up the Sequence (B Trigger) menu.
4. Push B Trigger After A .
Type
Sequence
(B Trigger)
Source
1
Coupling
DC
Slope Level
0.00 V
B Trigger
After A
Time
Mode
Auto
& Holdoff
142 Tektronix 4000 Series Oscilloscopes User Manual