Specifications

To define an advanced pattern trigger

The advanced triggering operation depends on previous selections in the

Advanced Trigger menu.

Press

Advancd

. Then select

Pattern

Press the

Overview

softkey to turn on the trigger overview, if desired.

The trigger overview display shows all the choices available in this menu.

Select

Pattern Menu

Choose the trigger operator by pressing the

Operator

softkey until the

desired operator is shown.

The following table lists the trigger operators and the sources with which

they can be used. The sources you specify later in this procedure can limit

your choice of trigger operators, and your choice of trigger operators can

limit which sources are available. For example, the operator “Exited” applies

only to Pattern 1, Not Pattern 1, Pattern 2, and Not Pattern 2 individually,

but not to all of them at once.

Table 3-1

Trigger Operators and Sources

Operator # of Sources Valid Sources

Duration

(> time, < time,

Range)

One Pat 1, Not = Pat 1

Pat 2, Not = Pat 2

Entered, Exited One Pat 1, Not = Pat 1

Pat 2, Not = Pat 2

AND, OR, Then Two Pat 1, Not = Pat 1

Pat 2, Not = Pat 2

Edge 1, Edge 2

Pat 1 & Edge 1

Pat 2 & Edge 2

Triggering HP 54645A/D Oscilloscopes

To define an advanced pattern trigger

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