NEC US40a, User Manual

Page: 3 / 166

Keep this User's Guide at hand for quick reference at anytime necessary.
Be sure to read this section carefully.
NOTES ON SAFETY
- Be sure to read this section -
The following includes information necessary for proper and safe operation of US40a. For details of
component names described in this section, See Chapter 1.
Safety Indications
Follow the instructions described in this User's Guide for your safety use of US40a.
Your US40a contains components with possible danger, hazards that may cause by ignoring
warnings, and this Guide describes preventive actions against such hazards. The components with
possible danger are described in this User's Guide.
In the User’s Guide, "WARNING" or "CAUTION" is used to indicate a degree of danger. These
terms are defined as follows:
WARNING
Indicates the presence of a hazard that may result in death or serious
personal injury.
CAUTION
Indicates the presence of a hazard that may cause minor personal injury,
including burns, or property damage.
Precautions against hazards are presented with the following symbols. The individual symbols are
defined as follows:
Attention
This symbol indicates the presence of a hazard.
An image in the symbol illustrates the hazard type.
(Example)
Precaution against
electric shock
Prohibited
Action
This symbol indicates prohibited actions. An
image in the symbol illustrates a particular
prohibited action.
(Example)
Prohibition of
disassembly
Compulsory
Action
This symbol indicates compulsory actions. An
image in the symbol illustrates a compulsory
action to avoid a particular hazard.
(Example)
Unplug the power
cord!