HP 4284A - Page 273

LIST Subsystem
:FREQuency
The :FREQuency command clears the previous List Sweep p oint
table, and sets the frequency sweep points. The :FREQuency? query
returns the current settings of the frequency sweep points.
Command Syntax
LIST:FREQuency < value >
2
, < value > *
3
*Repeat Max. 10 sweep p oints
Where,
< value > is the NR1, NR2, or NR3 format
Example
OUTPUT 717;"LIST:FREQ 1E3,2E3,3E3,4E3"
!Set 1kHz to point 1, ..., 4kHz to point 4
Note
A sux multiplier and a sux unit, HZ (hertz), can be used with this
command. Either MAHZ and MHZ can b e used as the sux multiplier
for MHz (1E6 Hz).
Query Syntax
LIST:FREQuency?
Query Response
Returned format is :
<NR3>
2
,<NR3> *
3
<NL^END>
Example
10 DIM A$[100]
20 OUTPUT 717;"LIST:FREQ?"
30 ENTER 717;A$
40 PRINT A$
50 END
Note
If this query is received when the List Sweep parameter is set to
anything other than frequency, error 0 230 Data corrupt or stale
will o ccur.
8-32 Command Reference