2
Precautions
Penetration of liquid into the device may cause its failure. For prevention of fire or electrical
shock do not operate or leave the device in the rain or in the places with high humidity.
The device must be placed far from powerful sources of heat such as direct sunlight, heat
radiators etc.
Before making any connection it is necessary to switch off the power of the device and the
power of all equipment connected to it.
This device is grounded through the ground wire of the power cable. To avoid injury of
people and loss of the device operability the cable must be connected only to a socket with a
grounding contact to which a grounding circuit is connected. The external equipment to be
connected to the device must have connectors and cables of the corresponding types. All the
equipment to be connected must be grounded without fail.
All cables connected to the device must be laid in such a way that excludes possibility of
failure caused by their tension, bend, break etc.
Before cleaning the device it must be disconnected from a power supply network. Use only
slightly damp cotton cloths well wrung out. It is not recommended to use cleaning liquids, sprays
or other chemicals.
User must not repair the device by his/her own forces. For service and maintenance it is
necessary to apply to qualified specialists.
To prevent an electrical shock do not open the device with a connected power supply cable.
Dangerous voltages are present even at switched-off power button.
During operation and maintenance of the device it is necessary to take measures to exclude
appearance of static voltages that could cause a failure of some components of the device. For
this, avoid use of furniture made of polymer materials and clothes made of wool and other
materials producing static electricity.
