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5.
Precautions for Operation
5.1 Precautions for Safety Operation
Please do not insert the power supply plug of the equipment into the power network before connecting
properly the system circuitry.
It should be ensured that the voltage supplied to the equipment be completely meeting the voltage
requirements of the equipment, otherwise, there may exist the risk of burning the equipment.
Danger voltage is inside the equipment, and the voltage is high enough to result in the personnel electric
shock. Please do not open the housing without authorization to prevent the risk of electric shock.
When the power switch of the equipment is at "OFF" status, the machine is not disconnected completely
with the power network. For your safety, please pull out the power cord from the socket when the
equipment is not to be used.
Please do not place the equipment at a location too cold or too hot.
Ensure a good ventilation and a good working condition for the equipment to prevent heating in the
working hours, otherwise, the machine may be damaged due to too high a temperature.
The master power switch should be turned off at a cloudy day and damp weather or when the equipment is
not to be used for a long time.
It is required to pull out the power plug to ensure that the equipment is completely disenaged from the
power network when it is to dis-assemble or re-assemble any part of the equipment or to disconnect or
connect plug of any electric apparatus of equipment or making other connection.
When the equipment has a failure, it is not allowed for the non-professional personnel to open the housing
to undertake the repair without authorization to prevent accident or aggravating the damaged condition of
the equipment.
Do not place any chemical subject with corrosivity near the equipment or on the top of equipment.
5.2 Precautions for After-sales Service
The company will provide free of charge guarantee service (including provision of replacement part free of
charge) for one year dating from the day of purchase for any quality problem in the normal range of
application, provided that the installation and application are in conformity to the stipulations given in the
Operation Manual.
At any time for the repair guarantee, the consumer should present the Card of Guarantee and the sales
invoice as a proof.
The following conditions do not belong to the scope for free of charge service:
(1)
Product damage due to mistaken installation, application or handling;
(2)
Product damage due to abnormal condition (such as over power voltage or ambient humidity, etc. );
(3)
Product damage due to force majeure such as calamity or accident;
(4)
The number on product body has been converted, altered or removed;
(5)
The product has once been repaired or modified by personnel not authorized by our company;
Please keep the Operation Manual and Card of Guarantee carefully.
As to the subjects or precautions not mentioned in the manual, please contact the distributor or visit the web
page of our company: //www. dsppa. com when necessary.
Please contact the service personnel of the company (or the distributor) if there is any failure phenomena
during the period of garantee, and the company shall not take the responsibility to repair free of charge if
the damage is due to dis-assembling by yourself or from the repair by the technical personnel not from the
company.
Digital Programming Conference System
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