Karel NT421, Техническое описание и руководство пользователя

Страница: 5 / 24

NT42I Technical Reference and User Guide
IV
ISSUES TO PAY ATTENTION TO
♦
Read this guide carefully before you use your device and keep it for later
reference.
♦
Any mistake with the connections in your device may damage it or your
exchange. Especially the connection to the exchange must be made by the
Authorized Technical Services. The explanations about connections in the User’s
Guide have been intended to give information only.
♦
A connection box comes with your device. The connections must be made as
described in the installation chapter.
♦
In case you need a connection of plug-outlet type, never apply electric plugs
and outlets; use plugs, outlets and connection components that are specific to
telephones.
♦
Do not make any connection other than the extension connection of the
KAREL telephone system.
♦
There is no part that you can repair or maintain in your device; therefore call
the authorized technical service in case of any malfunction.
♦
Keep your device away from direct sunlight.
♦
Do not let any liquid substance spill on your device.
♦
Do the exterior cleaning of your device with a slightly moistened piece of cloth.
♦
Do not apply any chemicals for cleaning.
♦
Please call your authorized dealer in case you would like to change the place
of your device. Use its own packing to carry the device.
♦
Please do not use exterior signal for the test operations or maintenance. Any
signal which is used externally may damage your device.