User guide

Main Volume
Click any point on the slider or drag it to change the main volume level. You will
hear a test tone at the new volume level.
Audio on BER Alarm
Click this option to make the analyzer play warning tones when a specific BER is
exceeded.
The BER Alarm Threshold is the threshold at which tones are produced.
Enter the BER threshold in the following format:
(number)E(exponent)
. For example,
1.5E-3
.
T I P
You can always adjust the BER Alarm Threshold by clicking and dragging the small
yellow marker in the BER bar in the top left corner.
Tones on All Error Rates
Click this option to make the analyzer produce warning tones when any BER greater
than zero is measured. The pitch will increase or decrease as the BER increases
or decreases.
5 Setting up the Error Detector
226 Agilent J-BERT N4903B High-Performance Serial BERT