For Safety; Key To Symbols; Restriction Of Use - Epson TM-T20II User Manual

For Safety

Key to Symbols

The symbols in this manual are identified by their level of importance, as defined below. Read
the following carefully before handling the product.
Provides information that must be observed to avoid damage to your equipment or a
malfunction.
Provides important information and useful tips.

Restriction of Use

When this product is used for applications requiring high reliability/safety such as
transportation devices related to aviation, rail, marine, automotive etc.; disaster prevention
devices; various safety devices etc; or functional/precision devices etc, you should use this
product only after giving consideration to including fail‐safes and redundancies into your
design to maintain safety and total system reliability. Because this product was not intended for
use in applications requiring extremely high reliability/safety such as aerospace equipment,
main communication equipment, nuclear power control equipment, or medical equipment
related to direct medical care etc, please make your own judgment on this product's suitability
after a full evaluation.
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