Operational Verification - HP 4934A Operating And Calibration Manual

Transmission impairment measuring set
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Operational Verification
The Operational Verification tests quickly establish with >90% confidence
that the HP 4934A meets the specifications listed in Chapter 3. If any test
fails to meet specification, refer to the Adjustments in Chapter 5 of the Ser¬
vice Manual. If after adjustment the specification still cannot be met, refer to
the troubleshooting in Chapter 8 of the Service Manual.
The following table lists all the Operational Verification Tests.
Operational Verification
What to Do
Transmitter Frequency
Carry out the Performance Test on Page 5-19 at the
foUoNving frequencies: 20Hz, 1000Hz, 50kHz andllO
kHz.
Transmitter Level
Carry out the Performance Test on Page 5-20.
Receiver Frequency
CaiTy out the procedure on Page 5-4.
Receiver Level
Carry out the procedure on Page 5-5.
Weighting Filters
Carry out the procedure on Page 5-6.
Message Circuit Noise
Carry out the Performance Test on Page 5-34.
Impulse Noise
Carry out steps 1 to 17 in the Performance Test on Page
5-39.
Impulse Noise Count
Carry out the procedure on Page 5-9.
Peak to Average Ratio (P/AR)
Carry out the Performance Test on Page 5-43.
Loss of Holding Tone
Carry out the procedure on Page 5-10.
Hold Circuits
Carry out the procedure on Page 5-11.
Dynamic Hold Circuits
Carry out the Performance Test on Page 5-13.
Performance Tests
5-3

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