prog.book : chapter1.fm 22 Mon Feb 15 09:24:37 1999
Power Meter Remote Operation
Making Measurements
1-22 HP E4418B/E4419B Programming Guide
Example 2 - Specifying the Source List Parameter
The CONFigure and READ? commands have three optional parameters,
an expected power value, a resolution and a source list. These parameters
must be entered in the specified order. If parameters are omitted, they will
default from the right. The parameter DEFault is used as a place holder.
The following examples use the source list parameter to specify the
measurement channel as channel A. The expected power and resolution
parameters are defaulted, leaving them at their current settings. The
measurement is carried out on the upper window.
Although the READ? and FETCh? queries have three optional parameters
it is not necessary to define them as shown in these examples. If they are
defined they must be identical to those defined in the CONFigure
command otherwise an error occurs.
Note For the HP E4418B it is not necessary to specify a channel as only
one channel is available.
Using READ?
Using INITiate and FETCh?
ABOR1 Aborts channel A
CONF1 DEF,DEF,(@1) Configures the upper window to
make a channel A measurement
using the current expected power
and resolution settings.
READ1? Takes the upper window’s
measurement.
ABOR1 Aborts channel A
CONF1 DEF,DEF,(@1) Configures the upper window to
make a channel A measurement
using the current expected power
and resolution settings.
INIT1 Causes channel A to make a
measurement.
FETC1? Retrieves the upper window’s
measurement.
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