User Manual

Referencia de instrucciones SCPI

614 FTB-5240S/S-P/BP

Product-Specific Commands—Description

:UNIT[1..n]:RATio

Description This command selects a default unit for

commands which program relative power.

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

Syntax :UNIT[1..n]:RATio<wsp>DB|W/W|PCT

Parameter(s) Unit:

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:

DB|W/W|PCT.

The parameter corresponds to the newly

selected default relative power unit.

DB: selects dB power unit.

W/W: selects watt ratio power unit.

PCT: selects percent power unit

Example(s) UNIT:POW W

UNIT:POW? Returns W

UNIT:RAT DB

UNIT:RAT? Returns DB

UNIT:POW? Returns DBM

Notes Changing default relative power unit also sets the

default absolute power unit (UNIT:POWer) to the

corresponding setting.