Agilent Technologies 53147A Assembly Level Service Manual page 26

Chapter 1 Performance Tests
Operational Verification
5 Press the Zero key.
The display shows ZEROING for several seconds.
6 Connect the power sensor head to the Power Meter OUTPUT connector.
7 Press the Cal key.
The display briefly shows CALIBRATING.
8 Turn on the power reference output in the instrument's menu
(PWR REF > ON).
9 Verify that the Counter displays a reading of 0 dBm ±.02 dB.
10 Mark Pass or Fail for Test 5 in the Performance Test Record on page 1-39.
11 Disconnect the test setup.
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