Exfo FVA-3150 Variable Attenuator Manual do Utilizador descarregar pdf (Página 90)

Remote Control Commands

84 FVA-3150

Specific commands-Quick Reference Command Tree

CAL

Description This command stores an offset value that will be applied to all

wavelengths in Absolute, Reference, and Offset modes. This

offset value will be included in the measurement returned by

ATT? but will not be taken into account on the FVA-3150 display.

This offset value is deleted when the FVA-3150 is turned off.

Syntax CAL<wsp><value>[<wsp><DB>]

Parameters The <value> parameter must be a valid attenuation value in

the format “±99.999”. The units (DB) are optional.

Example CAL 99.999 DB

CAL?

Description This query returns the offset value that is applied to all

wavelengths in Absolute, Reference, and Offset modes.

Syntax CAL?

Response The offset value that is applied to all wavelengths in Absolute,

Reference, and Offset modes in the format “±99.999”. The units

are dB.

Note This offset value is included in the measurement returned by

ATT? but is not taken into account on the FVA-3150 display.

Example CAL?

1 2 ... 85 86 87 88 89 90 91 92 93 94 95 ... 114 115

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