EXFO FPM-300 Power Meter - Manual (Page 24)

Maintenance 19
6 Maintenance
This product contains no user-serviceable parts. However, it contains sensitive
electronic and optical components, and should be handled carefully and stored in
its carrying case when not in use.
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.