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Performance Tests – Option 011
10. Receiver Trace Noise
statistic feature. 
5Write the s.dev (standard deviation) value, which appears on the analyzer 
display, on the "Performance Test Record."
6Press MEAS, INPUT PORTS, B/R. Write the s.dev (standard deviation) value on the 
"Performance Test Record."
7Press A/B. Write the s.dev (standard deviation) value on the "Performance Test 
Record."
8Press FORMAT, PHASE. Write the s.dev (standard deviation) value on the 
"Performance Test Record."
9Press MEAS, INPUT PORTS, B/R, FORMAT, PHASE. Write the s.dev (standard 
deviation) value on the "Performance Test Record."
10 Press MEAS, INPUT PORTS, A/R, FORMAT, PHASE. Write the s.dev (standard 
deviation) value on the "Performance Test Record."
In Case of 
Difficulty 
WARNING These servicing instructions are for use by qualified personnel only. 
To avoid electrical shock, do not perform any servicing unless you  are 
qualified to do so.
WARNING The opening of covers or removal of parts is likely to expose 
dangerous voltages. Disconnect the instrument from all voltage 
sources while it is being opened.
WARNING The power cord is connected to i nternal capacitors that may remain 
live for five seconds after disconnecting the plug from its power 
supply.
1Verify that the 50Ω Type-N RF cables are in good condition. If possible, try to 
rerun this test with another set of RF cables.
2Suspect the A10 Digital IF board assembly if the analyzer still fails the test.