prog.book : ch2meas.fm 35 Mon Feb 15 09:24:37 1999
MEASurement Instructions
READ[1|2] Commands
HP E4418B/E4419B Programming Guide 2-35
READ[1|2] Commands
The READ? commands are most commonly used with the CONFigure
command to cause a new power measurement to be taken and the result
returned to the output buffer. The format of the return is <NR3>, for
example, -6.98970004E-001.
• For the HP E4418B the READ? query is equivalent to:
ABORt
INITiate
FETCh?
• For the HP E4419B carrying out a single channel measurement
the READ? queries are equivalent to:
ABORt1
INITiate1
FETCh1?
or
ABORt2
INITiate2
FETCh2?
• For the HP E4419B carrying out a difference measurement the
READ:DIFFerence? queries are equivalent to:
ABORt1and
ABORt2
INITiate1
INITiate2
FETCh:DIFFerence?
• For the HP E4419B carrying out a ratio measurement the
READ:RATio? queries are equivalent to:
ABORt1
ABORt2
INITiate1
INITiate2
FETCh:RATio?
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