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4-17
Programming Commands
Measurement Instructions
MEASure{:ARRay | [:SCALar]} :POWer?
Returns amplitude values.
Syntax
:POWer? [<expected_value>[,<resolution>]]
Description When used with a :SCALar command, a single value is returned. The
display is placed in the single-wavelength mode, and the marker is
placed on the signal having a power level that is closest to the
<expected_value> parameter.
When used with an :ARRay command, an array of amplitudes is
returned. The display is placed in the list-by-power mode.
Returned values are in the current power units. Wavelength units are
not affected.
<expected_value>
Constants
MAXimum Displays the highest power signal
MINimum Displays the lowest power signal
DEFault Displays the signal at the current marker position
Used With <expected_value> <resolution>
SCALar optional ignored
ARRay ignored ignored
CONFigure command
When this function is used with the CONFigure command, the query question
mark character “?” must not be included in the string. However, the FETCh, READ,
and MEASure command are queries and require the question mark. Refer to the
examples for this command.