EXFO FTB -5240S/5240BP Optical Spectrum Analyzer for FTB 500 (NS-1434) - Инструкция (Страница 479)

Справка по командам SCPI
OSA 473
Product-Specific Commands—Description
:CALCulate[1..n][:WDM]:CHANnel:
NOISe:DISTance:FREQuency?
Description This query returns the frequency distance from
peak to center of noise region for noise
measurement of the selected WDM analysis
channel.
At *RST, this value is not available.
At CALCulate[1..n][:WDM]:CHANnel[:DEFine],
noise measurement distance is set to 100.0 GHz.
Syntax :CALCulate[1..n][:WDM]:CHANnel:NOISe:DISTa
nce:FREQuency?[<wsp>MAXimum|MINimum|DE
Fault]
Parameter(s) Parameter 1:
The program data syntax for the first parameter is
defined as a <CHARACTER PROGRAM DATA>
element. The allowed <CHARACTER PROGRAM
DATA> elements for this parameter are:
MAXimum|MINimum|DEFault.
MINimum is used to retrieve the instrument's
smallest supported value.
MAXimum is used to retrieve the instrument's
greatest supported value.
DEFault is used to retrieve the instrument's
default value.
Response Syntax <Distance>