Agilent Technologies 8960 10 Series Reference Manual page 592

-400 to -499 Query Errors
Description
A Query error is generated either when data in the instrument's GPIB output queue has been lost, or when an
attempt is being made to read data from the output queue when no output is present or pending.
Error Message
-400 Query error
-410 Query INTERRUPTED
-420 Query UNTERMINATED
-430 Query DEADLOCKED
-440 Query UNTERMINATED after indefinite response
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Description
This event bit (Bit 2) indicates that an attempt to read
data from the Output Queues when no output is
present or pending, to data in the Output Queue has
been lost see IEEE488.2, 11.5.1.1.7.
Indicates the test set has been interrupted by a new
program message before it finishes sending a
RESPONSE MESSAGE see IEEE 488.2, 6.3.2.3.
Indicates an incomplete Query in the program see
IEEE 488.2, 6.3.2.2.
Indicates that the Input Buffer and Output Queue are
full see IEEE 488.2, 6.3.1.7.
Indicates that a query was received in the same
program message after a query requesting an
indefinite response was executed see IEEE 488.2,
6.5.7.5.
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S:\Hp8960\E1960A GSM Mobile Test Application\A.04 Release\Reference_Manual\Chapters\ts_err_msg_neg400.fm
-400 to -499 Query Errors
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