Unitek DX02 User Manual page 25

cause harmful interference to radio or television reception, which
can be determined by turning the equipment off and on, the user is
encouraged to try to correct the interference by one or more of the
following measures:
 Reorient or relocate the receiving antenna.
 Increase the separation between the equipment and receiver.
Connect the equipment into an outlet

that to which the receiver is connected.
 Consult the dealer or an experienced radio/TV technician for
help.
on a circuit different from