Status Reporting Commands
SYSTem:ERRor?
Read one error from the error queue. When the front-panel
ERROR
annunciator turns on, one or more command syntax or hardware errors
have been detected. A record of up to 20 errors can be stored in the
function generator’s error queue. See chapter 5, “Error Messages,” for a
complete listing of the errors.
Errors are retrieved in first-in-first-out (FIFO) order. The first error
returned is the first error that was stored. When you have read all
errors from the queue, the
ERROR annunciator turns off. The function
generator beeps once each time an error is generated.
If more than 20 errors have occurred, the last error stored in the
queue (the most recent error) is replaced with -350, “Too many errors”.
No additional errors are stored until you remove errors from the
queue. If no errors have occurred when you read the error queue,
the function generator responds with +0, “No error”.
The error queue is cleared when power has been off or after a *CLS
(clear status) command has been executed. The *RST (reset)
command does not clear the error queue.
*CLS
Clear the Status Byte summary register and all event registers.
*ESE <
enable value>
Enable bits in the Standard Event enable register. The selected bits are
then reported to the Status Byte.
*ESE?
Query the Standard Event enable register. The function generator
returns a decimal value which corresponds to the binary-weighted sum
of all bits set in the register.
*ESR?
Query the Standard event register. The function generator returns a
decimal value which corresponds to the binary-weighted sum of all bits
set in the register.
4
Chapter 4 Remote Interface Reference
Status Reporting Commands
209
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