3
RFID System
User's Manual
Introduction
Introduction
● Alert Symbols for Safe Use
The following symbols are used in this manual to indicate precautions that must be observed to ensure safe
use of the V680-HAM42-FRT/V680 Series Antennas/V680 Series RF Tags. The precautions provided here
contain important safety information. Be sure to observe these precautions.
The following signal words are used in this manual.
● Meanings of Alert Symbols
● Warning
Safety Precautions
Indicates a potentially hazardous situation which, if not avoided, will result in minor or
moderate injury, or may result in serious injury or death. Additionally, there may be
significant property damage.
Indicates general prohibitions for which there is no specific symbol.
This Product is not designed to be used either directly or indirectly in applications that detect
human presence for the purpose of maintaining safety. Do not use this Product as a sensing
device for protecting human lives.