EXFO IQS-3150 Variable Attenuator for IQS-500/600 - Manual (Page 139)

SCPI Command Reference
Variable Attenuator 133
Product-Specific Commands—Description
:OUTPut[1..n]:REFerence
Description This command sets a power reference value for
the current wavelength. When the instrument is
used in REFerence mode, the power is relative to
this reference value. This command will have no
effect when the instrument is used in Absolute or
X + B mode. This value is used only when the
POWer control mode is active.
At *RST, the value that will be set depends on the
instrument you have.
Syntax :OUTPut[1..n]:REFerence<wsp><Reference[<
wsp>DBM]>|MAXimum|MINimum|DEFault
Parameter(s) Reference:
The program data syntax for <Reference> is
defined as a <numeric_value> element
followed by an optional <SUFFIX PROGRAM
DATA> element. The allowed <SUFFIX
PROGRAM DATA> element is DBM. The
<Reference> special forms MINimum,
MAXimum and DEFault are accepted on input.
MINimum allows to set the instrument to the
lowest supported value.
MAXimum allows to set the instrument to the
highest supported value.