2. Place the cursor within the RF Control
zone and configure the analyzer as
follows:
RF Control:
806.0625
MHz
MONITOR
Freq:
Attenuation: 0 dB
Preset: - - B/W: NB
Mon RF In RF I/O
3. Configure the radio under test to BER
Test mode. Consult your radio
maintenance manual for specific
instructions. Reset the frequency of the
analyzer to appropriate BER test
frequency.
4. Turn on the transmitter of the radio.
Consult your radio maintenance manual
for instructions.
5. Access the BER Meter by placing the
cursor in the Display zone's "Meter:" field
and pressing the more softkey until the
BER softkey is presented. Select BER via
the softkey to display the BER Meter. A
screen similar to figure 18-2 appears.
6. BER measurements sill be terminated at
end of transmission or when switching out
of BER Monitor Mode.
18-6 BER TESTING USING DUPLEX
MODE
The analyzer can perform BER testing using
RF or Baseband. The analyzer generates a
CCITT V.52 standard BER pattern.
Figures 18-3 and 18-4 show where the analyzer
BER test pattern is inserted and sampled in the
transmit and receive paths.
Figure 18-3. Transmit BER
246
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