DSPPA Alfatron ALF-250W-UB Gebruikershandleiding - Pagina 2
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Safety Precautions
1. Safety Precautions
Warning!
To reduce the risk of electric shock or equipment damage, please follow
the following requirements:
● Please do NOT connect this device to the power source, before the system is correctly connected.
● It is important to ensure that input voltage to the device is the same as required voltage of the device;
otherwise the device may be damaged.
● There is dangerous voltage in the device, which may cause personal electric shock. Please do NOT open
the case without permission, to avoid potential risks of electric shock.
● The device is not completely disconnected from power source when it is switched "OFF". For sake of safety,
please disconnect the device from the socket if it is not in use.
● Please do NOT place the device where it is extremely cold or hot.
● Good ventilation must be provided in the working environment of the device, to avoid excessive temperature
during its operation, which may cause damages to the device.
● Please unplug the device from power socket in raining and wet days or if it is not in use for a long time.
● Please disconnect the power plug from sockets, to ensure the device has been completely disconnected
from power source, before any component is removed from or re-installed in the device or before any electric
connector of the device is disconnected or reconnected.
● In case of any failure of the device, please do NOT open the case and repair without permission from a
professional personnel, to avoid accident or additional damages to the device.
● Please do NOT place any corrosive chemicals near or on the device.
Please note the following symbols:
The lightning triangular symbol is used to alert the user to the risk of electric shock.
The exclamation point triangle symbol is used to alert the user to important operational
or maintenance instructions.
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