National Instruments GPIB-MAC User Manual page 3

FCC RADIO FREQUENCY INTERFERENCE
This equipment generates, uses, and can radiate radio frequency
energy and if not installed and used in accordance with the
instruction manual, may cause interference to radio communica-
tions. It has been tested using a shielded serial I/O cable and
standard GPIB cable and found to comply within the limits for a
Class A computing device pursuant to Subpart J of Part 15 of FCC
Rules, which are designed to provide reasonable protection against
such interference when operated in a commercial environment
Operation of this equipment in a residential area is likely to cause
interference, in which case the user at his own expense will be
required to take whatever measures may be necessary will be
required to take whatever measures may be necessary to correct the
interference.
If the equipment does cause interference to radio or television
reception, which can be determined by turning the equipment on
and off, one or more of the following suggestions may reduce or
eliminate the problem.
Operate the equipment and the receiver on different branches of
your AC electrical system.
Move the equipment away from the receiver with which it is
interfering.
Reposition the equipment or receiver.
Reposition the receiver's antenna.
Unplug any unused I/O cables. Unterminated I/O cables are a
potential source of interference.
Remove any unused circuit boards. Unterminated circuit boards
are also a potential source of interference.
COMPLIANCE