HP 8511A Operating And Service Manual page 44

a2 and b2 Test
5. Reconnect the semi-rigid cables (as in step 2) to ports a2 and b2.
Disregard the running error message
6. Press
[User 3 a2] [REDEFINE PARAMETER] [PHASE LOCK] [a2] [REDEFINE DONE]
observe the a2 power level trace.
7. Press
[User 2 b2] [REDEFINE PARAMETER] [PHASE LOCK] [a2] [REDEFINE DONE]
see the b2 trace.
8. If any of the traces are not within the limits noted in this procedure,
check all of the connections and repeat the procedure. If symptoms
persist, refer to the "Service and Equipment Overview" chapter in the
HP 8510 On-Site Service Manual.
Caution: "NO IF FOUND"
HP 8511A Test Set Operating and Service Manual 4-5
Operation
Operators Check
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