User Manual

Remote operation
:FRD?
Read foregroun
ddata
Syntax
:FRD?
:FRD:CH<ch>?
:FRD:GRP<group>?
Where <ch> is a
channel number 1 through 4
Where <group> is a group number 1 through 4
Description
The commands returns results from the power analyzer. The results are
returned in the order in which they are displayed on the screen. Each
result is a
oating point number separated by a comma.
The sequence is determined by order in which results are displayed on the
front panel. The sequence can be congured either by changing the order
using the f
ront panel of the instrument, or by using the :MOVE command.
Results will be returned column by column starting from the left of the
display. This means that if the user has selected Sum results or Max and
Min result
s to be displayed, then these results will also be returned.
Returns
For :FRD:
CH<ch>?, if Min or Max results are selected, these will be
returned. The order will be <min>, <ch>, <max>.
For :FRD:GRP<group>?, if Min, Max, or Sum results are selected, these
will be re
turned. The order will be <min>, <ch>, <max>, <min>, <ch>,
<max>, ..., <sum min>, <sum>, <sum max>.
For :FRD?, each group will be returned starting with group A. The order
of the re
sults with the group will be the same as the :FRD:GRP <group>?
command.
Measur
ement conguration commands
Measurement conguration commands correspond to the Measurement
Conguration menu. (See page 38, Measurement Conguration menu.)
:HMX:
VLT/AMP/WAT
Commands for conguring the display of harmonics.
Harmonics conguration
Syntax
:HMX:VLT:SEQ <value >
:HMX:AMP:SEQ <value >
:HMX:WAT:SEQ <value >
Where <value> equals 0 for odd and even and 1 for odd only
Description
If harmonics measurements are selected with the :SEL command (See
page 71.), the power analyzer can display all harmonics, or just the odd
number harmonics from the rst harmonic up to the number specied.
This command works on a group. Use the :INS T:NSEL command rst
to select the active group.
74 PA3000 Power Analyzer User Manual