Unit[1..n]:ratio – Инструкция по эксплуатации EXFO FTB -5240S/5240BP Optical Spectrum Analyzer for FTB 500 (NS-1434)

Страница 646

Advertising
background image

Справка по командам SCPI

640

FTB-5240S/S-P/BP

Product-Specific Commands—Description

:UNIT[1..n]:RATio?

Description

This query returns the selected default unit for
commands which program relative power.

At *RST, default relative power unit is set to DB.

Syntax

:UNIT[1..n]:RATio?

Parameter(s)

None

Response Syntax

<Unit>

Response(s)

Unit:
The response data syntax for <Unit> is defined as
a <CHARACTER RESPONSE DATA> element.

The response corresponds to the selected default
relative power unit.

DB: dB power unit is selected.

W/W: watt ratio power unit is selected.
%: percent power unit is selected.

Example(s)

UNIT:RAT W/W
UNIT:RAT? Returns W/W

See Also

:UNIT[1..n]:POWer
:UNIT[1..n]:SPECtrum
:UNIT[1..n]:RATio

Advertising