![Racal Instruments 1256E Manual Download Page 138](http://html1.mh-extra.com/html/racal-instruments/1256e/1256e_manual_3132597138.webp)
1256E User Manual
SCPI Command Basics 5-42
Racal Instruments
©
2002
For example, the reply:
0,”No error”
indicates that no errors remain on the error queue, while the reply:
-102,”Syntax error ; missing @ sign”
indicates that a syntax error was detected in a previous command
to the 1256. The reply:
-350,”Queue
overflow”
is returned to indicate that all 15 places in the queue have been
occupied and that the error queue is full.
SCPI Compliance
Information
The SYSTEM:VERSION? query provides information about which
SCPI standard the 1256 references and is required for compliance
with SCPI.
The syntax for this command is shown below:
:SYSTem
:VERSion?
For example, the query:
SYST:VERS?
always returns the following:
1994.0
User-Interface
Lockout
The syntax for this command is shown below:
:SYSTem
:KLOCK ON | OFF
:KLOCK?
The SYSTEM:KLOCK command and SYSTEM:KLOCK? query are
used to both control and determine the present state of the user-
interface. In certain applications or environments where the 1256
is under automatic control, it may be desired or required that
access to the 1256 be prohibited through the front panel user-
interface.