Keysight Technologies 86120B User Manual page 138

Multi-wavelength meter
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Example
Syntax
Description
Query Response
Example
Syntax
Description
Programming Commands
Common Commands
OUTPUT 720;"*ESR?"
ENTER 720;Event
PRINT Event
*IDN?
The *IDN? (identification number) query returns a string value which identifies the
instrument type and firmware version.
*IDN?
An *IDN? query must be the last query in a program message. Any queries after the
*IDN? query in a program message are ignored.
The maximum length of the identification string is 50 bytes.
The following identification string is returned. The third entry is the instrument's
serial number. The last entry in the string is the firmware version number; this value
may vary between instruments.
Agilent, 86120B, USaaaabbbb, 2.000
DIM Id$[50]
OUTPUT 720;"*IDN?"
ENTER 720;Id$
PRINT Id$
*OPC
The *OPC (operation complete) command sets the operation complete bit in the
event status register when all pending device operations have finished.
*OPC
*OPC?
The *OPC? query places an ASCII "1" in the output queue when all pending device
operations have finished.
This command is useful when the computer is sending commands to other instru-
ments. The computer can poll the event status register to check when the
Keysight 86120B has completed the operation. Use the *OPC? query to ensure all
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