HP 8530A Operating And Programming Manual page 404

P
\PHASE-LOCK LOST"
MENU NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NNNNNNNN
4 5
S
\SOURCE (1 or 2) FAILURE - RF UNLOCKED"
\SWEEP SYNC ERROR"
RAMP
\SYSTEM BUS ADDRESS ERROR"
In Case of Diculty 20-9