HP 54501A - Key

KEY
KEY
command/query
The
:SYSTEM:KEY
command
simulates
the
pressing
of
a
specified
front
panel
key. Key
commands
may
be
sent
over
the
HP-IB
in
any order
that
are
legal
key
presses from
the
front
panel.
Make
sure
the
instrument
is
in
the desired state before
executing
the
KEY
command.
The
KEY
query
returns
the
key
code
for
the last
key
pressed
from
the
front
panel
or
the last
simulated
key
press
over
the
HP-IB.
Key
codes
range
from
1
to
44,
zero
represents
no
key
and
will
be
returned
after
power
up.
Refer
to
table
7-2 for
key
codes.
Command Syntax:
:SYSTem:KEY
<keycode>
Where:
<keycode>
::=
1
to
44
Example:
OUTPUT
707;":SYSTEM:KEY 2"
Query
Syntax:
:SYSTem:KEY?
Returned Format:
[:SYSTem:KEY] <
keycode
> <
NL>
Where:
<
keycode
>
;;=
0
through
44
(integer-
NR1
format)
Example:
DIM
input$[io]
OUTPUT
707;":SYSTEM:KEY?"
ENTER
707;
lnput$
PRINT
lnput$
HP
54501A
Programming
System
Subsystem
7-7