36
4.5
Command Description
FR*?
Description Frequency query.
Syntax
FR*?
Remarks
The FR* command is used to query the following frequencies
associated with the
Measure
key on the Chopper front panel:
F
sync
,
F
outer
,
OUT 1
, and
OUT 2
. Data is returned in Hz.
FR1?
Query F
sync
FR2?
Query F
outer
FR3?
Query frequency of OUT 1
FR4?
Query frequency of OUT 2
Example
The chopping frequency is 1.23 kHz, and the Chopper is in
NORMAL
mode.
FR3?
Query.
FR36150.0
Response. The frequency at OUT 1 is
6.15 kHz.
HAR[ ]?
Description Set and query H.
Syntax
HAR[ ]?
Remarks
The HAR command sets and queries the harmonic multiplier
H
,
which is used in
H/S
mode. The data may range from 1 to 15.
Example
HAR2
Command. Sets H to 2.
HAR?
Query.
HAR2
Response. H is currently set to 2.
