ILX Lightwave LDT-5900 Series User Manual page 103

*ESR?
Standard Event Status Register?
Action
Response
Notes
Example
01_10
Requests the value in the Standard Event Status Register.
The value must be between 0 and 255.
Operation complete
Query error
Device dependent error
Execution error
Command error
User request
Power on
Response is the sum of the status bits.
This command allows you to determine which type of error has occurred. The following
three things will clear this register: the *ESR? query, a power on when *PSC is set true,
and the *CLS command. See Chapter 3 for more information about register structure.
*ESR? - Response 32 means a command error happened.
C O M M A N D R E F E R E N C E
Comm a nd Reference
Numeric
Value:
1
4
8
16
32
64
128
= Unused bits
4
C H A P T E R
C
OMMON
D D
EVICE EPENDENT
F P
RONT ANEL
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