Agilent Technologies 4294A Operating Manual page 446

Error messages
Invalid string data
The parser (syntax analysis program) expects a separator, but a character other than a
separator is sent. For example, although ";" should be used to separate two sent program
messages such as "MEAS IRIM;FMT LOGY", the semicolon (;) for separating the program
messages is missing as "MEAS IRIM FMT LOGY".
-151 Invalid string data
Character string data is expected but the given string data are invalid for some reason.
(Refer to IEEE488.2,7.7.5.2.) For example, the END message is received before the end
quotation mark character appears.
-131 Invalid suffix
The suffix does not meet the syntax defined in IEEE488.2,7.7.3.2 or is inappropriate for
the Agilent 4294A.
132 LIST SWEEP ONLY
When a sweep type other than the list sweep is specified, you attempt to execute a
command to specify all segments (entire sweep range) as the search range setting
(SEARNG FULL) or a command to specify a certain segment as the search target
(SEGMNUM <value>) and, as a result, the command is ignored. Before setting the search
range for the list sweep, specify the list sweep as the sweep type (command: SWPT LIST).
124 LIST TABLE EMPTY OR INSUFFICIENT TABLE
When the list sweep table is empty or insufficient, you attempt to select LIST as the sweep
type (command: SWPT LIST) and, as a result, the command is ignored. Before selecting the
list sweep as the sweep type, set the list sweep table correctly.
-250 MASS STORAGE ERROR
A mass storage error other than -257 occurs.
88 MATH FUNCTION NOT VALID FOR PERCENT FORMAT
When the percent format is selected as the display format, you attempt to change the
setting of data operations. In the percent format, data operations are fixed to delta %
(command: MATH DELP), and thus you cannot change the data operation setting to DATA
(command: MATH DATA), DATA-MEM (command: MATH DMNM), or DATA/MEM
(command: MATH DDVM).
105 MEASUREMENT PARAMETER NOT FOR ANALYSIS
When a measurement parameter other than |Z|-q is set, you attempt to execute a waveform
analysis command (for example, OUTPCERR?) and, as a result, the command is ignored.
Before executing a waveform analysis command, set the measurement parameter to |Z|-q
(command: MEAS IMPH).
-258 Media protected
You attempt to save/delete data to/from the storage device or initialize the media, but the
media is write-protected, and, as a result, the operation cannot be executed. This message is
displayed, for example, when you have specified the floppy disk drive as the storage device
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Appendix C