Define A Term For The Timing Trigger - HP 1660 Series Training Manual

Define a Term for the Timing Trigger

For the analyzer to capture the data you want, you need to tell it what to
trigger on by defining a term. Trigger terms are variables that you can use to
tell the analyzer when to start recording data, what to store, and when to
stop.
In this exercise, you will set up the analyzer to trigger when the counter on
the training board reaches its maximum value of 255, or FF (hex). To do this,
you will assign the hex value FF to term "a" of TCOUNT.
Press the
1
Highlight the base field under TCOUNT and press the
2
Highlight
3
Hex is the default setting. Notice the other display options other than hex.
Under TCOUNT, highlight the field to the right of term
4
and press the
The base field specifies
the type of values
entered. In this
exercise you selected
Hex and entered the
hex value FF.
A term is a variable
that stores a value.
Defining a Term for the Timing Trigger
Result TCOUNT's term "a" is assigned the value FF. The "a" term is a variable that
the analyzer will trigger on once you set up the trigger specification in the
next exercise.
Trigger MENU key.
in the pop-up menu, press the
Hex
Done key.
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Introduction to Timing Analysis
Define a Term for the Timing Trigger
Select key.
key.
Select
, enter FF,
a
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