Teledyne-lecroy PETracer ML Analyzer and Exerciser User Manual Manual de usuario descargar pdf (Pagina 130)

Chapter 8: Recording Options PETracer ML User Manual

122 Teledyne LeCroy

Save As MultiSegment Trace

This option causes the Analyzer to segment the CATC Trace into 4 MB to 128 MB files

and to create an index file that summarizes the starting and finishing frame for each

segment.

The index file has a default name of data.pem.

The index file and segmented CATC Trace files are stored in a directory named

data_pem_files. The directory is named after the index file. Below this directory

additional, sequentially numbered sub-directories (up to 10,000) hold the segmented

CATC Trace files. These sub-directories bear simple numerical names: 00000 to 00999.

Each of these subdirectories can hold up to 100 sequentially numbered segment files.

Example

A 1010 MB recording using the default file names creates the following sub-directories

and files:

data.pem (This is the index file.)

data_pem_files\00000\segment_00000.pex

data_pem_files\00000\segment_00001.pex

...

data_pem_files\00000\segment_00099.pex

data_pem_files\00001\segment_00100.pex

data_pem_files\00001\segment_00101.pex

The index file looks something like a CATC Trace file but contains packet-like entities that

summarize each segment.

Viewing Multisegmented Files

If Save As MultiSegment Trace is enabled in the General page of the Recording Options,

PETracer divides the CATC Trace into segments and stores them on the host machine's

hard drive. Segment size is set in the MB Segments box. Enter a value from 4 MB to 128

MB.

PETracer also creates an index file that provides a brief summary of each segment and

hyperlinks to each of the segments. Double-clicking a segment summary in the index file

causes PETracer to open that segment.

You can also navigate through the segments by clicking the buttons on the Multisegment

toolbar.

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Teledyne-lecroy PETracer ML Analyzer and Exerciser User Manual Manual de usuario Pagina 130