EXFO IQS-8500 Series for IQS-600 - Manual (Page 464)

Warranty
450 FTB-8500 Series and FTB-8120NGE/8130NGE
Liability
Liability
EXFO shall not be liable for damages resulting from the use of the product,
nor shall be responsible for any failure in the performance of other items to
which the product is connected or the operation of any system of which
the product may be a part.
EXFO shall not be liable for damages resulting from improper usage or
unauthorized modification of the product, its accompanying accessories
and software.