This
command
is
a reporting command which allows examination
and manipulation of the various
HP
E1440A status registers.
Appendix
B
Register Programming
explains the relationship and use
of these registers. The commands to access each register are always
the same and are described below.
:STATus:OPERation
This command allows access to the Operation Status register as
detailed below in the syntax list.
Subsystem Syntax
STATUS
Comments
[:EVENt]?
This query returns the contents of the event register
associated with the status structure defined in the command.
Note
Reading the event register automatically clears it's contents
m
:CONDition
This query returns the contents of the condition
register associated with the status structure defined in the
command. Reading the condition register is non-destructive.
:ENABle <integer number>
Sets the enable mask which allows
true conditions in the event register, to be reported in the
summary bit. If a bit in the enable register is a
"I",
and it's
associated event bit undergoes a transition to true, a positive
transition will occur in the associated summary bit.
The parameter is
a
decimal number.
:ENABle?
This command is the query form of the above
command, it always returns an <integer number> value.
:PTRansition <integer number>
:
Sets the positive transition filter.
After setting a bit in the positive transition filter, a
"0"
to
"1"
transition in the corresponding bit of the associated condition
register, causes a
"1"
to be written to the associated bit of the
corresponding event register.
The parameter is a decimal number.
Command
Reference
5-29
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