EXFO FTB-7000 OTDR Series for FTB-500 - Manual (Page 397)

SCPI Command Reference
OTDR 383
Product-Specific Commands—Description
:CONFigure[1..n]:ANAlysis:HFACtor
Description This command sets the helix factor that will be
used for the next acquisition.
*RST returns this setting to default value.
Syntax :CONFigure[1..n]:ANAlysis:HFACtor<wsp><Heli
xFactor>|MAXimum|MINimum|DEFault
Parameter(s) HelixFactor:
The program data syntax for <HelixFactor> is
defined as a <numeric_value> element. The
<HelixFactor> 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 <HelixFactor> parameter.
Sets the helix factor.
Example(s) CONF:ANA:HFAC? Ex.: Returns 0
CONF:ANA:HFAC 2
CONF:ANA:HFAC? Returns 2