Agilent Technologies HP E5574A User Manual page 133

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HP-IB Programming
OLA Specific Commands
The message "Wrong application for this command" is returned, if
the present application is not Directivity.
The message "No head connected" is returned, if there is only one
or no optical head attached to the instrument.
The message "No valid result possible" is returned, if the value
cannot be measured.
OUTPUT 724;":SENS1:DATA? DIR"
ENTER 724;A$
:SENSe:DATA? EL
:SENSe[1|2]:DATA?<wsp>EL
This query returns either the Excess Loss EL or the Polarization
Dependent Excess Loss PDEL, depending on the application
currently active. It is only applicable to the applications
• Coupler Test, and
• Polarization Dependent Coupler Test.
1|2 1 Reads head A
2 Reads head B
Default is 1.
The measured value in dB or percent, depending on the current
setting of the measurement unit (see ":SENSe:POWer:UNIT").
The message "Wrong application for this command" is returned, if
the present application is not Coupler Test or Polarization
Dependent Coupler Test.
The message "No head connected" is returned, if there is only one
or no optical head attached to the instrument.
The message "No valid result possible" is returned, if the value
cannot be measured.
OUTPUT 724;":SENS[1|2]:DATA? EL"
ENTER 724;A$
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