NEC Express5800 Series - Conventions Used in this Document; Signs and Symbols for Safety

Conventions Used in This Document
Express5800/R120h-1E, R120h-2E Maintenance Guide
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Conventions Used in This Document
Signs and symbols for safety
WARNING and CAUTION are used in this guide as the following meaning.
WARNING
Indicates there is a risk of death or serious personal injury
CAUTION
Indicates there is a risk of burns, other personal injury, or property damage
Precautions and notices against hazards are presented with one of the following three symbols. The individual
symbols are defined as follows:
Attention This symbol indicates the presence of a hazard if
the instruction is ignored.
An image in the symbol illustrates the hazard type.
Prohibited
Action
This symbol indicates prohibited actions. An image
in the symbol illustrates a particular prohibited
action.
Mandatory
Action
This symbol indicates mandatory actions. An
image in the symbol illustrates a mandatory action
to avoid a particular hazard.
(Example)
WARNING
Use only the specified outlet
Use a grounded outlet with the specified voltage. Use of an improper power source
may cause a fire or a power leak.
(Example)
(Example)
(Disconnect a plug)
Symbol to draw
attention
Description of a warning Term indicating a degree of danger
(Example)