EXFO FTB-7000 OTDR Series for FTB-500 - Manual (Page 449)

SCPI Command Reference
OTDR 435
Product-Specific Commands—Description
:SOURce[1..n]:VFLocator:AM:INTernal:
FREQuency
Description This command selects the internal modulation
frequency of the visual fault locator (VFL). The
internal modulation corresponds to 50 % of the
duty cycle at the selected frequency.
*RST sets the modulation frequency to 0 Hz
(CW).
Syntax :SOURce[1..n]:VFLocator:AM:INTernal:FREQuen
cy|MAXimum|MINimum|
DEFault
Parameter(s) Frequency:
The program data syntax for is
defined as a element. The
special forms MINimum,
MAXimum and DEFault are accepted on input.