EXFO IQS-2100 Light Source for IQS-500/600 - Manual (Page 66)

SCPI Command Reference
60 IQS-2100
Product-Specific Commands—Description
:SOURce[1..n]:POWer:ATTenuation
Description This command changes the internal attenuation
of the source. The source power is at its
maximum when the attenuation is set to 0.0 dB.
*RST sets the attenuation to 0 dB.
Syntax :SOURce[1..n]:POWer:ATTenuation<wsp><Att
enuation[<wsp>DB]>|MAXimum|MINimum|D
EFault
Parameter(s) Attenuation:
The program data syntax for <Attenuation> is
defined as a <numeric_value> element
followed by an optional <SUFFIX PROGRAM
DATA> element. The allowed <SUFFIX
PROGRAM DATA> element is DB. The
<Attenuation> special forms MINimum,
MAXimum and DEFault are accepted on input.
MINimum allows to set the instrument to the
smallest supported value.
MAXimum allows to set the instrument to the
greatest supported value.
DEFault allows the instrument to select a value
for the <Attenuation> parameter.
The <Attenuation> parameter is the new power
attenuation in dB. The power attenuation is
always a positive value.