Radio Shack TRS-80 CGP-220 Operation Manual page 58

IMPORTANT INFORMATION
This equipment generates and uses radio frequency energy and if not installed and
used properly, that is, in strict accordance with the manufacturer's instructions, may
cause interference to radio and television reception. It has been type tested and found
to comply with the limits for a Class B computing device in accordance with the
specifications in Subpart J of Part 15 of FCC Rules, which are designed to provide
reasonable protection against such interference in a residential installation. However,
there is no guarantee that interference will not occur in a particular installation. If this
equipment does cause 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 the receiving antenna.
• relocate the computer with respect to the receiver.
• move the computer away from the receiver.
• plug the computer into a different outlet so that computer and receiver are on
different branch circuits.
If necessary, the user should consult the dealer or an experienced radio/television
technician for additional suggestions. 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, DC 20402, Stock No. 004-000-00345-4.