Datacom TDT-HD160 Manual De Usuario página 43

The symbol indicates that dangerous voltages constituting a risk of
electric shock are present within this unit.
The symbol indicates that there are important operating and maintenance
instructions in the literature accompanying this unit.
This symbol indicates that this product incorporates double insulation
between hazardous mains voltage and user accessible parts .when
servicing use only identical replacement parts .
CAUTION:
When the apparatus was in electrostatic circumstance, it may be
malfunction and need to reset by user.
The USB memory stick should be plug in the unit directly. USB extension
cable should not be used to avoid failing of data transferring and
interference caused.
This marking indicates that this product should not be disposed with other
household wastes throughout the EU. To prevent possible harm to the
environment or human health from uncontrolled waste disposal, recycle it
responsibly to promote the sustainable reuse of material resources. To
return your used device, please use the return and collection systems or
contact the retailer where the product was purchased. They can take this
product for environmental safe recycling.