HP -15C Owner's Handbook Manual page 284

Product Regulatory &
Environment Information
Federal Communications Commission Notice
This equipment has been tested and found to comply with the limits for
a Class B digital device, pursuant to Part 15 of the FCC Rules. These
limits are designed to provide reasonable protection against harmful
interference in a residential installation. This equipment generates,
uses, and can radiate radio frequency energy and, if not installed and
used in accordance with the instructions, may cause harmful
interference to radio communications. However, there is no guarantee
that interference will not occur in a particular installation. If this
equipment does 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 the receiver.

Connect the equipment into an outlet on a circuit different from

that to which the receiver is connected.
Consult the dealer or an experienced radio or television

technician for help.
Modifications
The FCC requires the user to be notified that any changes or
modifications made to this device that are not expressly approved by
Hewlett-Packard Company may void the user's authority to operate the
equipment.
284