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Stop Measurement
Another feature of markers set to patterns is Stop Measurement. You
can specify either stop measurement when X-0
is
or Compare is
. The options for X-O are: Less than, Greater=
In range, Not
inrange. The options for Compare are: Equal and Not Equal (see
figure 11-5).
Parmeters
@iiir)
Stop measurement 1 Ix-01
is [ Less then
1 I[
Store
exception
to disk!
WI
Fi 18 name 1 EXCEPTION 1
File
desct~ption
I1
Figure
11-5.
Markers Patterns Pop-Up Menu
With this feature you can use the logic analyzer to look for a specified
time or range of time between the marked patterns and to stop
acquiring data when it finds this time between markers. The X marker
must precede the 0 marker.
Also available is Store exception to disk which allows you to specify a
file on the disk that exceptions can be stored in. The default filename is
EXCEPTION. When the trace mode is repetitive and Store exception
to disk is on, the following process takes place: data is acquired until
the stop criteria is met, data acquisition will stop, data in the
acquisition memory will be stored on the disk, and data acquisition will
resume when the data is stored. This process continues until the disk is
full. The data is stored in the same file name; however, the last three
characters will automatically be replaced with a numerical serial
number. For example, EXCEPTION will change to EXCEPT001 the
second time memory is stored.
The upper and lower range boundaries must not be the same value. For
example, if you want to stop a measurement when the X and 0 markers
are in range of 200 ns, you should set the range values to 190 11s and
210 ns. This eliminates erroneous measurement termination.
HP 16528/1653B
Front-Panel Reference
State Listing Menu
11-5
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