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Input:attenuation – EXFO FVA-3150 Variable Attenuator User Manual

Page 96

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Remote Control Commands

90

FVA-3150

Specific commands-Quick Reference Command Tree

INPut:ATTenuation?

Description This query returns a value indicating the current attenuation

setting OR the minimum/maximum attenuation setting.

Syntax

INP:ATT? []

Parameters The parameter is optional and can be

“MIN” to obtain the minimum setting for the current wavelength
“MAX” to obtain the maximum setting for the current

wavelength

Response

The attenuation value in the format “999.99”. The units are dB.

Note that, depending on the current measurement mode, the

response will include different parameters:
In Absolute mode:

In Reference mode:

In Offset mode:

Example

INP:ATT? MIN or
INP:ATT?

response

actual attenuation

=

response

actual attenuation reference value(INP:OFFS?)

=

response

actual attenuation wavelength-specific offset

+

=