HP 1660 Series Training Guide

Set Up Level 4 of the State Trigger Specification and
Define a Combination Trigger Term
In Sequence Level 4 you will store a combination of values while looking for
the trigger term "e". A combination term, is a logical combination of other
terms, using boolean logic operators like AND and OR. In this exercise, you
will define the combination of terms "c" or "In_Range1" or "d". These three
terms are ORed together so that one, two, or all three of the terms could be
stored.
1
Turn the knob clockwise to display sequence levels 3, 4, and 5.
2 Highlight the 4 field in the State Sequence Levels box of the Trigger
menu. Press the
Select key.
3 Highlight the field to the right of While storing, and press the Select key.
Highlight
Combination in the pop-up menu, and press the Select key.
4 In the combination pop-up menu, highlight c, and press the Select key.
Highlight
ON in the pop-up menu, and press the Select key.
5 Highlight In_Range1, and press the Select key. Highlight In in the
pop-up menu, and press the
Select key.
6 Highlight d and press the Select key. Highlight ON in the pop-up menu,
and press the
Select key.
Note the "Current Qualifier" display in the top right corner of the screen.
Your qualifier is now "c + in_range1 + d."
Defining a Combination Trigger Term
When you select
"in_range1", the logic
analyzer looks for
values that are
within the limits for
the term Range1.
The "c" term is now
turned on. See the
connection from "c"
to one of the Or fields.
The "d" term is now
turned on.
Advanced State Triggering
Set Up Level 4 of the State Trigger Specification and Define a Combination Trigger Term
6-11
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HP 1660 Series Specifications

General

Category	Logic Analyzer
Glitch Trigger	Yes
Pattern Trigger	Yes
State Analysis	Yes
Transitional Timing	Yes
Trigger Modes	Edge, Pattern, Glitch