Agilent Technologies 8504B, User Manual, Page: 266 / 296

FINAL TRIM SIZE : 7.5 in x 9.0 in
Error Messages
Message Denitions
DISK MEDIUM NOT INITIALIZED The oppy disk must be initialized in order
to store les . P erform an initialization ( INITIALIZE DISK under S A VE, STORE
TO DISK, DEFINE, INIT , PURGE)
GPIB error number: 40
DISK MESSAGE LENGTH ERROR The number of bytes transferred to or from the
disk is inconsistent with the number specied in the previously sent disk
command.
GPIB error number: 19
DISK WEAR-REPLACE DISK SOON The oppy disk surface is wearing out;
replace with a new disk to prevent data loss .
GPIB error number: 49
DISK: not on, not connected, wrong addrs The disk drive does not
respond to control. V erify power to the disk drive , and check the GPIB
connection between the reectometer and the disk drive . Ensure that the
disk address recognized by the reectometer matches the GPIB address set on
the disk drive itself.
GPIB error number: 38
FIRST CHARACTER MUST BE A LETTER When titling a register or le , the rst
character must be a letter . Rename the register/le appropriately .
GPIB error number: 42
FUNCTION NOT VALID The requested function is incompatible with the
current instrument state .
GPIB error number: 14
ILLEGAL UNIT OR VOLUME NUMBER The disk unit or volume number set in the
reectometer is not valid. Refer to the disk drive operating manual.
GPIB error number: 46
7-5