User guide

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Modifying the Test Setup

Inserting Errors

You can add a single bit error to the data stream by pressing

the button.Error Add

To provide comparable results, you can run tests over a longer time

and collect the measured data:

Setting up Error Accumulation

Accumulation Results

View the accumulated results:

You could also loosen the data

cable and wiggle it carefully.

Watch how the BER changes.

The pattern generator can also be set up

to insert a specified BER in the data

stream. This can, for example, be used

for testing error correction algorithms.

Select ,

because we do not

need a measurement

log file now.

No Logging

Select a of

10 seconds as the

measurement period.

Time

Press the

button to

start accumulating.

Start

Accum

Press the

button twice to switch to

the tab.

Analysis Results

Results

Switch to the

Accumulated Results.

Here you can view all statistics

measured during the current and

the previous measurement.

To stop the J-BERT from

collecting any more data,

press the button.Stop Accum

Select the activation

mode to run

repeated tests.

Repeat

Press .OK

Open the

dialog box.

Accumulation

Setup

Press the

button twice to switch

to the error detector setup.

PG/ED Setup