EXFO FTB-8500 Series for FTB-500 - Manual (Page 457)

Ethernet and Fibre Channel Application 443
24 Maintenance
To help ensure long, trouble-free operation:

Always inspect fiber-optic connectors before using them and clean
them if necessary.

Keep the unit free of dust.

Clean the unit casing and front panel with a cloth slightly dampened
with water.

Store unit at room temperature in a clean and dry area. Keep the unit
out of direct sunlight.

Avoid high humidity or significant temperature fluctuations.

Avoid unnecessary shocks and vibrations.

If any liquids are spilled on or into the unit, turn off the power
immediately, disconnect from any external power source, remove the
batteries and let the unit dry completely.
W
ARNING
Use of controls, adjustments, and procedures for operation and
maintenance other than those specified herein may result in
hazardous radiation exposure.