Agilent Technologies 8960 Series Reference Manual page 720

Error Messages
Error messages can be cleared from the test set's display using the DISPlay:WINDow:ERRor:CLEar
command. Pressing any functional front panel key, i.e. the LOCAL key, will clear an error message for the test
set's display.
Classes of Errors
Error messages are divided into classes, each class of error is handled differently by the test set. The message
log is cleared when the test set is power cycled.
Measurement Integrity Indicators These messages occur as a result of a measurement, they indicate the
validity of the measurement. Measurement integrity indicators are read with the FETCh command.
Non-Persistent Errors These messages are generated when a condition occurs that is incorrect, but has no
serious or long lasting effect on the test set's operation. Examples could include an out of range value to a
parameter, or an invalid GPIB mnemonic. The message window is cleared when any front panel key is
pressed.
Persistent Errors These errors are generated when a non-transitory error condition exists. Persistent errors
occur when a hardware failure is found, or when damage or injury to a person or the test set may occur.
The test set displays these errors in the error message window and as a prompt at the bottom of the display
screen where it remains until the error condition no longer exists.
Fatal Errors When these errors occur no further operation of the test set is possible without cycling the
power switch. Fatal errors are not saved in the error message log. The test set display will provide the user
with information about what to do next and some details about what the test set was doing when the fatal
error occurred.
Maskable Messages These messages are intended to inform the user of a condition within the test set. They
are generally meant to provide information to the user. The user will need to decide if this condition is
undesirable and if they want the message to appear.
Maskable Message Display State The Maskable Messages Display State found in the Instrument Setup menu gives
users a way to block these messages and the associated beep from ever happening. When the state is Off these messages
and their associated beep will be blocked. The Maskable Message Display State can be set manually or with the following
GPIB command:
OUTPUT 714;"DISPLAY:MESSAGE:MASKABLE:STATE OFF" !Prevents certain messages from appearing on the
display.
Instrument Maskable Messages
• Instrument warning: Audio Generator instrument has been closed.
• Instrument warning: Audio Analyzer instrument has been closed.
• Instrument warning: Analog Audio instrument has been closed.
Related Topics
"SYSTem:ERRor?" on page 646
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