User guide

7BusinessPhone – Cordless DT412/DT422
Important
Guidelines
Consider these suggestions and guidelines to keep your Cordless
in good shape and working properly.
Note: The Cordless does not contain user serviceable
parts. If your Cordless requires service you should return it
to the supplier or retailer from whom it was bought.
Intrinsic safety
The Cordless DT412 and DT422 are IP64 classified, which means
that they are robust, dust- and waterproof, designed for people
working in tough environments.
Battery handling
The NiMH battery contains environmental polluting material. If
damaged, return it to a collecting point.
Note: Only use the charger that is delivered with your
Cordless to charge the battery.
Cleaning
Clean the Cordless only with a soft, water dampened cloth. Using
soap or any other cleaning materials may discolor or damage the
Cordless. Clean the battery contacts using ethanol or isopropyl
alcohol.
Tre atment
Although the Cordless phones are resistant to water spray, dust
and soil, you should always handle it with care. Do not expose the
Cordless to direct sunlight for long periods and keep it away from
excessive heat and moisture.