Agilent Technologies HP 8719D Service Manual page 304

Error Number There may be a problem with your disk. Try a new floppy disk.
189 If a new floppy disk does not eliminate the error, suspect
hardware problems.
EXT SOURCE NOT READY FOR TRIGGER
Error Number There is a hardware problem with the HP 8625A external
191 source. Verify the connections between the analyzer and the
external source. If the connections are correct, refer to the
source operating manual.
EXTSRC: NOTON/CONNECTEDORWRONGADDR
Error Number The analyzer is unable to communicate with the external source.
162 Check the connections and the HP-IB address on the source.
FILE NOT COMPATIBLE WITH INSTRUMENT
Information You cannot recall user graphics that had been saved on an
Message earlier model of analyzer with a monochrome display. These
ILLEGAL UNIT OR VOLUME NUMBER
Error Number The disk unit or volume number set in the analyzer is not valid.
46 Refer to the disk drive operating manual.
Service Key Menus and Error Messages
1045