Safety notices
Safety notices
Please observe the following notices very closely when setting up,
connecting and operating the Ergophone 307:
Only connect the connection cables to sockets designated for
this use.
Install the connection cables in a safe manner. Connected cables
must not be subjected to excessive mechanical stress.
Set up the device far from electrical interference.
Only connect accessories which are permitted with this device.
Never open up the device yourself. Do not allow the plug con-
tacts to touch sharp or metallic objects.
Only clean the device with a soft, damp cloth. Do not use chemi-
cals or abrasive cleaners.
Protect the device from damp, dust, liquids and vapours.
Do not expose the device to direct sunlight.
Do not use the device in potentially explosive atmospheres.
Only use the original power supply unit and the original telephone
connection cable.
The wall socket that you use must be located close to this device
and easy to access.
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