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BER
Loopback BER can only be measured while the Test Set is in Active mode, and
the mobile is in its test mode. This measurement is for raw BER, measured on a
traffic channel.
Each mobile manufacturer has their own method of enabling the test mode for
their phones. Those methods will not be discussed here.
BER Measurement Procedure
1. Make sure the Test Set is in Active mode.
2. Select DIG MEAS from the To Screen menu.
3. Select the Dig Meas field to display a list of available tests.
4. Select BER from the list.
5. Enter the number of bits to be measured in the BER Bits field. (Note: the number of
6. Put the mobile into its test mode.
7. Select Arm.
8. After the actual number of bits has been transmitted and received, the BER should be
If your tests require that you measure BER with a known inserted bit error rate,
use the procedure,
bits actually read will be calculated in whole frames.)
displayed.
"BER Measurement with Inserted Bit Errors" on page
Chapter 4, Making Measurements
BER
116.
115
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