EXFO PPM-350C PON Power Meter - Manual (Page 30)

Maintenance 24
9 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
The use of controls, adjustments and procedures other than those
specified herein may result in exposure to hazardous situations or
impair the protection provided by this unit.