15
Safety Precautions
NB-series Programmable Terminals NB-Designer Operation Manual(V106)
Safety Precautions
The following notation is used in this manual to provide precautions required to ensure safe usage of
the product. The safety precautions that are provided are extremely important to safety. Always read
and heed the information provided in all safety precautions.
Notation Used for Safety Information
Symbols
The circle and slash symbol indicates operations that you must not do.
The specific operation is shown in the circle and explained in text.
This example indicates prohibiting disassembly.
The triangle symbol indicates precautions (including warnings).
The specific operation is shown in the triangle and explained in text.
This example indicates a general precaution.
WARNING
Indicates an imminently hazardous situation which,
if not avoided, will result in death or serious injury.
Additionally, there may be severe property damage.
Precautions for Safe Use
Indicates precautions on what to do and what not to do to ensure using the product safely.
Precautions for Correct Use
Indicates precautions on what to do and what not to do to ensure proper operation
and performance.