Karel DSS3K-24, Техническое описание и руководство пользователя

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ISSUES TO PAY ATTENTION TO
•
Read this guide carefully before you put your device into use and keep it for
later reference.
•
Any mistake with the connections in your device may damage the device 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 included to give information only.
•
Do not make any connection other than the CO connection to the KAREL
telephone branch exchanges.
•
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 reseller in case you would like to change the
place of your device. Use its own packing to carry it.
•
Please do not use exterior signal for the test operations or maintenance. Any
signal which is used externally may damage your device.