NEC pmn - Manual (Page 5)

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 on a circuit different
from that to which the receiver is connected.
- Consult your dealer or an experienced radio/TV
technician for help.
If necessary, the user should contact the dealer or an
experienced radio/television technician for additional
suggestion. The user may find the following booklet, prepared
by the Federal Communications Commission, helpful: “How
to Identify and Resolve Radio-TV Interference Problems.”
This booklet is available from the U.S. Government Printing
Office, Washington, D.C., 20402, Stock No.
004-000-00345-4.