Roadstar TRA-2350P Manual Del Usuario página 12

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3. External wall DC power supply (not included)
When connecting DC plug to
DC jack (38) , the unit is operated
by DC power, the power is off
accidently or the plug is loose
from wall outlet, the built-in
battery will supply power automatically.
Please use specified DC power
supply, voltage : 6-9V,current
¡500mA, the central polarity of
plug is negative ( ).
Or the unit or DC power supply may
be damaged, even serious contingency.
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