434
Appendix C
Error messages
Data out of memory
The data may be invalid. Otherwise, a newly initiated read operation may not have been
completed since the latest access.
-225
Data out of memory
The Agilent 4294A does not have enough memory to perform the requested operation.
-222
Data out of range
A data element (that did not violate the standard) out of the range defined by the Agilent
4294A is received.
-231
Data questionable
Data may be questionable, and so the accuracy of measurement data may be deteriorated.
-104
Data type error
The parser recognized impossible data elements. For example, numeric values or string
data are expected, but block data are sent.
138
DCBIAS CONSTANT OPERATION FAILED
When the dc bias mode is constant voltage (VOLT CONSTANT) or constant current
(CURRRENT CONSTANT), the actual dc bias output does not converge to the set dc
voltage value or dc current value, or it exceeds the set voltage limit or current limit. If a
DUT needs time to stabilize after dc bias is applied, specify the point delay. If necessary,
change the voltage limit value or the current limit value.
139
DCBIAS LEVEL MONITOR NOT VALID
When the dc bias level monitor is not on, you attempt to execute the command to turn on
the marker dc voltage level monitor or the marker dc current level monitor (MKRMON
DCV or MKRMON DCI) and, as a result, the command is ignored. Before turning on the
marker dc voltage level monitor or the marker dc current level monitor, turn on the
corresponding dc bias level monitor (command: BMON VOLT or BMON CURR).
137
DCBIAS OVERLOAD
When the dc bias is applied, dc current that exceeds the setting of the dc bias range (<1mA,
<10mA, or <100mA) is supplied from the bias source, or the overcurrent limit circuit of the
dc bias source takes effect. Increase the setting of the dc bias range or decrease the level of
the applied dc bias.
99
DELTA MARKER OFF
When the delta marker is not displayed, you attempt to execute a function that needs the
display of the delta marker and, as a result, the command is ignored. For example, when the
delta marker is not displayed, a command corresponding to the MKRD?SPAN key
(MKRDSPAN) is sent. Before executing a function with the delta marker, first display the
delta marker (command: DMKR ON).
118
DEVICE TYPE IS NOT DOS
The execution of write access to the mass storage cannot be executed because the format
type of the mass storage is not DOS.
37
DISPLAY BUFFER IS FULL
Executing the DRAW or MOVE command in HP Instrument BASIC fills the Agilent
4294A’s display buffer to its capacity. Further write to the display buffer is impossible.
Summary of Contents for 4294A
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