280 Chapter 9
BERT
Measuring RF Loopback BERT with Option 300
Figure 9-11
NOTE To select an alternate trigger mode (for example, Immediate):
Press
Return three times, then press Configure Triggers >
BERT Trigger Source > Immediate.
Using Amplitude Sensitivity Search
This procedure shows you how to set a pass amplitude with high and low amplitude boundaries, and how to
set both the target error percentage, and the frame count for an amplitude sensitivity search.
1. Press
Aux Fctn > BERT > BTS BERT GSM Loopback.
2. Press
Configure Measurement > Measurement Mode BER/BLER% Search to Search.
Notice that the
Configure Sensitivity Search and Arm Sensitivity Search softkeys are enabled.
3. Press
Configure Sensitivity Search to access the softkey menu for configuring the sensitivity search. Refer
to Figure 9-12 on page 281.
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