Agilent Technologies 8590 Series Service Manual page 622

Analyzer Messages
Interpreting Analyzer Messages
CAL: DATA NOT STORED
CAL AMP NEEDED (U)(H)
The current correction-factor data is the default calibration data. The
instrument firmware prevents the default data from being stored.
While the default data is in use, a flag is set. If
the error message is displayed and
completion of the
CAL AMPTD
Related Assemblies
A16 processor/video assembly
Troubleshooting Hints
Perform the
CAL FREQ
8596E spectrum analyzers, also perform the
error message reappears after pressing
routine was not successfully completed.
Pressing
CAL FETCH
permit erroneous data to be stored. Use
troubleshooting.
CAL: FM SPAN SENS FAIL (H)
During the
CAL FREQ
the span sensitivity of the FM coil. The output of the fine-tune DAC,
located on the A7 analog interface assembly, is changed to move the
displayed signal four divisions. If the signal does not move to within
± 1.25 divisions of the expected display position, the error message is
displayed.
Related Assemblies
8590L and 8591E spectrum analyzers only: A6 YTO, A7 analog
interface.
All other 8590 E-Series and L-Series spectrum analyzers: A3A7 YTO,
A7 analog interface.
Troubleshooting Hints
Perform the
CAL FREQ
622
CAL STORE
routine clears the flag.
and . For 8592L, 8593E, 8595E, and
CAL AMPTD
CAL STORE
also clears the correction-data error flag and can
CAL FETCH
self-calibration routine, the analyzer cannot set
routine again.
is pressed,
CAL STORE
is disabled. Successful
routine. If the
CAL YTF
, the
CAL AMPTD
only for
Chapter 14