Arning – EXFO FVA-3150 Variable Attenuator User Manual
Page 15
Safety Information
Variable Attenuator
9
Electrical Safety Information
W
ARNING
Use this unit indoors only.
Position the unit so that the air can circulate freely around it.
Operation of any electrical instrument around flammable gases
or fumes constitutes a major safety hazard.
Do not remove unit covers during operation.
To avoid electrical shock, do not operate the unit if any part of
the outer surface (covers, panels, etc.) is damaged.
Only authorized personnel should carry out adjustments,
maintenance or repair of opened units under voltage. A person
qualified in first aid must also be present. Do not replace any
components while power cable are connected.
Use only fuses with the required rated current and specified
type (IEC, 5 mm x 20 mm (0.197 in x 0.787 in), fast-blow, 250 V,
2 A). Do not use repaired fuses or short-circuited fuse holders.
Capacitors inside the unit may be charged even if the unit has
been disconnected from its electrical supply.
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