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SAFETY INSTRUCTIONS:
IMPORTANT:
The wires in the mains lead are coloured in accordance with the following code:
If the colours of the wires in the mains lead of this apparatus do not correspond with the colour markings
identifying the terminals in your plug, proceed as follows:
The wire which is coloured green and yellow must be connected to the terminal which is marked by the
letter E, or by the safety earth symbol or coloured green and yellow. The wire which is coloured blue must
be connected to the terminal which is marked with the letter N or coloured black. The wire which is coloured
brown must be connected to the terminal which is marked with the letter L or coloured red.
Read carefully the safety instructions.
Keep this manual for future references.
Make sure that the mains voltage is the same as the unit. Otherwise the device can be damaged. Unplug
this apparatus during lightning storms or when not in use for a long period of time.
Always use approved wires to prevent electric shock or fire. In case of doubt, consult a qualified installer.
Do not remove any panel, within the unit there is high voltage areas. The panels can be removed only by
qualified personnel.
To avoid risk of fire and any damage to the unit, use only equivalent fuses to the original. Do not short
the fuse holder. Disconnect power before change anything.
Before turn on the power, make sure the ground wire is connected.
Do not use the unit in humid places or near liquids. Do not install it near heat sources. Do not block
ventilation openings.
When be necessary, remove dust with a dry cloth. Do not use solvents such as alcohol. Keep the unit
clean and dust free.
Maintenance operations require qualified personnel.
Note: The information provided in this manual does not include details of design, production, or
variations in equipment. Nor does it include possible risks during installation, operation or
maintenance. If you need special assistance beyond the manual, please contact our customer
service.
A-257WIFI Version 2.0
A-257WIFI
Green and Yellow
Blue
Brown
(E)
Earth
(N)
Neutral
(L)
Live
WiFi Speaker
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