DSPPA DA8250, Руководство пользователя

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* M/S Amplifier
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Safety Precautions
1. Safety Precautions
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Please do NOT connect this device to the power source, before the system is correctly wired. 2
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It is important to ensure that input voltage to the device is the same as required voltage of the device, 3
otherwise the device may be damaged. 4
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There is dangerous voltage in the device, which may cause personal electric shock. Please do NOT open 5
the case without permission, to avoid potential risks of electric shock. 6
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The device is not completely disconnected from power source when it is switched "OFF". For sake of 7
safety, please disconnect the device from the socket if it is not in use. 8
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Please do NOT place the device where it is extremely cold or hot. 9
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Good ventilation must be provided in the working environment of the device, to avoid excessive 10
temperature during its operation, which may cause damages to the device. 11
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Please unplug the device from power socket in raining and wet days or if the device is not in use for a 12
long time. 13
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Please disconnect the power plug from sockets, to ensure the device has been completely disconnected 14
from power source, before any component is removed from or re-installed in the device or before any 15
electric connector of the device is disconnected or reconnected. 16
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In case of any failure of the device, please do NOT open the case and repair without permission from a 17
professional personnel, to avoid accident or additional damages to the device. 18
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Please do NOT place any corrosive chemicals near or on the device. 19
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Matters needing attention
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Our company provides a three-year free warranty service (including free replacement parts) over quality 22
issues as from the date of purchase, provided that the device is installed and used in accordance with 23
requirements specified in the User Manual. 24
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For warranty, the user must show the Warranty Card and the receipt kept by the user and purchase 25
invoice of the device as supporting documents. 26
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The following conditions are beyond the scope of warranty: 27
1
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Product damage due to improper installation, use or handling; 28
2
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Product damage due to abnormal conditions (such as excessive power source voltage or ambient 29
humidity); 30
3
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Product damage due to acts of God; 31
4
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Product SN is changed, altered or removed; 32
5
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Product has been repaired or modified by any person without duly authorization from our company; 33

Please keep the User Manual and Warranty Card in good custody. 34
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For issues and precautions not mentioned in this User Manual, if required, please contact the distributor 35
or visit our website at http://www.dsppatech.com . 36
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In case of any failure in the warranty period, please contact service personnel (or distributor) of our 37
company for service. The company shall not be made liable for damages due to unauthorized 38
dis-assembly or maintenance or service by unauthorized personnel. 39
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