HP 54501A - Persistence; Mode

PERSistence
PERSistence
command/query
Command Syntax:
Example:
Query
Syntax:
Returned
Format:
The
:DISPLAY:PERSISTENCE
command
sets
the
display
persistence.
The PERSISTENCE
command
is
only
effective in the
Normal
display
mode.
The
parameters
for
this
command
are
the
keywords
INFINITE,
or
SINGLE,
or
a
real
numbers
from
0.15
through
11.0
representing
the
persistence
in
seconds. Any
value
less
than 0.15
will
set the
PERSISTENCE
to
MINIMUM. Any
value
greater
than
10
seconds
will
set
the
PERSISTENCE
to
INFINITE.
When
the
key
word
SINGLE
is
sent
as
the
argument
for
this
command,
the
persistence
value
is
set
to
minimum.
The
PERSISTENCE
query
returns
the
current
persistence
value.
When
Minimum
is
displayed,
the
value
returned
is
0.
When
Infinite
is
displayed,
the value
returned
is
11.
;DISPIay:PERSistence {INPinite
|
SINGIe
|
0.1
through
11}
OUTPUT
707;":DlSPLAY:PERSISTENCE
3.0"
:
DISPlay:
PERSistence?
[:
DISPlay: PERSistence] <
value
>
<NL>
Where:
<
value
>
::=
{0
|
.2-10
|
11} (exponential
-
NR3
format)
where
1.100E+1
=
infinite
Example:
DIM
prs$[50]
OUTPUT
707;":DISPLAY:PERSISTENCE?"
ENTER
707; Prs$
PRINT
Prs$
Display
Subsystem
11-14
HP
54501A
Programming