7
NOTE!
The manufacturer reserves a right to modify parameters and methods of operation without further notice. By virtue of regular
modications and improvements, certain functions specied in this manual may dier insignicantly.
In order to avoid diculties in operating the Voice Alarm System, it is advisable to get familiar with the manual before the rst use.
VAS central unit is equipped with a set of automatic functions responsible for testing the system performance. The central unit
uses FAILURE LED to signal irregularities. In such case, it is necessary to react immediately and, if necessary, consult a person in
charge of VAS performance.
Exposing devices to extreme temperature, direct sunlight, moisture or dust may result in a re or electric shock.
c
Do not connect the device to the source of power before all installation works have been completed.
c
Read this manual.
c
Keep this manual.
c
Pay special attention to warnings.
c
Follow all provisions of this manual.
c
Avoid contact with water. Do not let the device come in contact with water or other liquids.
c
Use devices with utmost care.
c
Use soft materials to clean devices. Never use solvents, such as petrol or diluent.
c
Do not cover vent openings in device casing. Install the device in accordance with the manufacturer’s instructions.
c
Do not install the device close to sources of heat.
c
Protect the feeder cable against stepping, pressure, bending or crushing, particularly close to plugs, sockets and
the area on the device casing which is connected to the wire. A damaged Power Cord poses re or electric shock
hazards. Never touch electric plugs with wet palms.
c
Avoid mechanical shocks. Strong impact and shocks may damage the equipment.
c
Be careful while grabbing wires. To connect and disconnect all wires, grab a plug, not a wire.
c
Always switch o power before disconnecting other devices. To avoid device and accessories damage, switch o the
power supply by using the master switch of the device before connecting or disconnecting wires. While connecting
wires, pay special attention to their polarization. A change of poles may damage them.
c
Use accessories and additional parts specied by the manufacturer only.
c
Do not leave any redundant items in the device.
c
Do not try to repair or modify the device on your own. The device is not equipped with elements intended
tobeserviced by the user. As for maintenance, contact the authorized service provider.
c
The warranty becomes invalid if you open or manipulate internal subassemblies on your own.
c
Service works are required if any type of system damage occurs.
c
The workers operating in the area where the system was installed should complete a suitable training with regard to
system operation. One person must be responsible for maintaining proper performance and system maintenance.
c
Following the regulations, the system must be maintained on a yearly basis, while the manufacturer advises
tomaintain the system twice a year.
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