Safety precautions, Explanation of graphical symbols, Cautions – CNB SDN2712CD User Manual
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Safety Precautions
Explanation of Graphical Symbols
Cautions
This product has multiple-rated voltages (110v and 220v).
See installation instructions before connecting to the power supply.
This product uses a Lithium battery.
To avoid of risk of explosion, do not replace the battery on the main board by anything other
than a Lithium battery. Dispose of used batteries according to the manufacturer’s instructions.
This equipment and all communication wirings are intended for indoor use only.
To reduce the risk of fire or electric shock, do not expose the unit to rain or moisture.
This symbol indicates the presence of important operating and
maintenance (servicing) instruction in the literature accompanying the
product.
This symbol indicates the presence of unprotected ”dangerous voltage”
within the product’s enclosure that may be of sufficient magnitude to
constitute a risk of electric shock to persons.
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