For Safety; Key To Symbols; Restriction Of Use - Epson TM-DT Series 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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